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Paul Erdős

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2506:, vol. 21, no. 3 (Summer 1999), 51–63: A careful reading of Table 3 shows that although Erdos never wrote jointly with any of the 42 medalists (a fact perhaps worthy of further contemplation)... there are many other important international awards for mathematicians. Perhaps the three most renowned...are the Rolf Nevanlinna Prize, the Wolf Prize in Mathematics, and the Leroy P. Steele Prizes. ... Again, one may wonder why KAPLANSKY is the only recipient of any of these prizes who collaborated with Paul Erdös. (After this paper was written, collaborator Lovász received the Wolf prize, making 2 in all). 4268: 632: 1344: 810: 1412:) 405571 (temporarily designated 2005 QE87) was formally named "Erdőspál" to commemorate Erdős, with the citation describing him as "a Hungarian mathematician, much of whose work centered around discrete mathematics. His work leaned towards solving previously open problems, rather than developing or exploring new areas of mathematics." The naming was proposed by "K. Sárneczky, Z. Kuli" (Kuli being the asteroid's discoverer). 486:. Except for some years in the 1950s, when he was not allowed to enter the United States based on the accusation that he was a Communist sympathizer, his life was a continuous series of going from one meeting or seminar to another. During his visits, Erdős expected his hosts to lodge him, feed him, and do his laundry, along with anything else he needed, as well as arrange for him to get to his next destination. 1202:) bet him $ 500 that he could not stop taking them for a month. Erdős won the bet, but complained that it impacted his performance: "You've showed me I'm not an addict. But I didn't get any work done. I'd get up in the morning and stare at a blank piece of paper. I'd have no ideas, just like an ordinary person. You've set mathematics back a month." After he won the bet, he promptly resumed his use of 1186:
and basic needs; money left over he used to fund cash prizes for proofs of "Erdős's problems" (see above). He would typically show up at a colleague's doorstep and announce "my brain is open", staying long enough to collaborate on a few papers before moving on a few days later. In many cases, he would ask the current collaborator about whom to visit next.
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himself), while his immediate collaborators could claim an Erdős number of 1, their collaborators have Erdős number at most 2, and so on. Approximately 200,000 mathematicians have an assigned Erdős number, and some have estimated that 90 percent of the world's active mathematicians have an Erdős number smaller than 8 (not surprising in light of the
700:; Erdős published more papers, mostly in collaboration with other mathematicians, while Euler published more pages, mostly by himself. Erdős wrote around 1,525 mathematical articles in his lifetime, mostly with co-authors. He strongly believed in and practiced mathematics as a social activity, having 511 different collaborators in his lifetime. 3311:
In his own words, "I'm not qualified to say whether or not God exists. I kind of doubt He does. Nevertheless, I'm always saying that the SF has this transfinite Book that contains the best proofs of all mathematical theorems, proofs that are elegant and perfect...You don't have to believe in God, but
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Because of his prolific output, friends created the Erdős number as a tribute. An Erdős number describes a person's degree of separation from Erdős himself, based on their collaboration with him, or with another who has their own Erdős number. Erdős alone was assigned the Erdős number of 0 (for being
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Because he was Jewish, Erdős decided Hungary was dangerous and left the country, relocating to the United States in 1938. Many members of Erdős's family, including two of his aunts, two of his uncles, and his father, died in Budapest during World War II. His mother was the only one that survived. He
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during 1914–1920, causing his mother to have to work long hours to support their household. His father had taught himself English while in captivity, but mispronounced many words. When Lajos later taught his son to speak English, Paul learned his father's pronunciation, which he continued to use for
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to people in need and various worthy causes. He spent most of his life traveling between scientific conferences, universities and the homes of colleagues all over the world. He earned enough in stipends from universities as a guest lecturer, and from various mathematical awards, to fund his travels
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at the time, Erdős could have chosen to remain in the country. Instead, he packed up and left, albeit requesting reconsideration from the U.S. Immigration Services at periodic intervals. At some point he moved to live in Israel, and was given a position for three months at the Hebrew University in
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With a heavy heart I feel that I have to sever my connections with the University of Waterloo, including resigning my honorary degree which I received from the University in 1981 (which caused me great pleasure). I was very upset by the treatment of Professor Adrian Bondy. I do not maintain that
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Erdős published around 1,500 mathematical papers during his lifetime, a figure that remains unsurpassed. He firmly believed mathematics to be a social activity, living an itinerant lifestyle with the sole purpose of writing mathematical papers with other mathematicians. He was known both for his
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called him "the absolute monarch of problem posers". Throughout his career, Erdős would offer payments for solutions to unresolved problems. These ranged from $ 25 for problems that he felt were just out of the reach of the current mathematical thinking (both his and others) up to $ 10,000 for
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He taught himself to read through mathematics texts that his parents left around in their home. By the age of five, given a person's age, he could calculate in his head how many seconds they had lived. Due to his sisters' deaths, he had a close relationship with his mother, with the two of them
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into theorems", and Erdős drank copious quantities; this quotation is often attributed incorrectly to Erdős, but Erdős himself ascribed it to Rényi. After his mother's death in 1971 he started taking antidepressants and amphetamines, despite the concern of his friends, one of whom
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is 3. As of 2015, approximately 11,000 mathematicians have an Erdős number of 2 or less. Collaboration distances will necessarily increase over long time scales, as mathematicians with low Erdős numbers die and become unavailable for collaboration. The
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I want to be giving a lecture, finishing up an important proof on the blackboard, when someone in the audience shouts out, 'What about the general case?'. I'll turn to the audience and smile, 'I'll leave that to the next generation,' and then I'll keel
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I kind of doubt He . Nevertheless, I'm always saying that the SF has this transfinite Book ... that contains the best proofs of all theorems, proofs that are elegant and perfect.... You don't have to believe in God, but you should believe in the
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Several studies have shown that leading mathematicians tend to have particularly low Erdős numbers. For example, the roughly 268,000 mathematicians with a known Erdős number have a median value of 5. In contrast, the median Erdős number of
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The full quote is "Note the pair of long accents on the "ő," often (even in Erdos's own papers) by mistake or out of typographical necessity replaced by "ö," the more familiar German umlaut which also exists in Hungarian.", from
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in Princeton at the time. However, his fellowship at Princeton only got extended by 6 months rather than the expected year due to Erdős not conforming to the standards of the place; they found him "uncouth and unconventional".
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was the (informal) administrator of solutions, and a solver could receive either an original check signed by Erdős before his death (for memento only, cannot be cashed) or a cashable check from Graham. British mathematician
782:. However, the circumstances leading up to the proofs, as well as publication disagreements, led to a bitter dispute between Erdős and Selberg. Erdős also contributed to fields in which he had little real interest, such as 4714: 4769: 658:. Although Hungary limited the freedom of its own citizens to enter and exit the country, in 1956 it gave Erdős the exclusive privilege of being allowed to enter and exit the country as he pleased. 4729: 2302: 4749: 2306: 4724: 501:
with other mathematicians and physicists. He invited Erdős to join the project, but the invitation was withdrawn when Erdős expressed a desire to return to Hungary after the war.
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problems that were both difficult to attack and mathematically significant. Some of these problems have since been solved, including the most lucrative – Erdős's conjecture on
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During the last decades of his life, Erdős received at least fifteen honorary doctorates. He became a member of the scientific academies of eight countries, including the U.S.
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There are thought to be at least a thousand remaining unsolved problems, though there is no official or comprehensive list. The offers remained active despite Erdős's death;
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had written down the best and most elegant proofs for mathematical theorems. Lecturing in 1985 he said, "You don't have to believe in God, but you should believe in
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Possessions meant little to Erdős; most of his belongings would fit in a suitcase, as dictated by his itinerant lifestyle. Awards and other earnings were generally
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granted Erdős a visa, and he resumed teaching at and traveling to American institutions. Ten years later, in 1973, the 60-year-old Erdős voluntarily left Hungary.
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Professor Bondy was innocent, but in view of his accomplishments and distinguished services to the University I feel that 'justice should be tempered with mercy.'
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called him "The Oddball's Oddball". He devoted his waking hours to mathematics, even into his later years—indeed, his death came at a mathematics conference in
1523: 4774: 4694: 2178: 4744: 669: 1391: 4779: 4754: 1225:." He himself doubted the existence of God. He playfully nicknamed him the SF (for "Supreme Fascist"), accusing him of hiding his socks and Hungarian 1115:). Due to collaborations with mathematicians, many scientists in fields such as physics, engineering, biology, and economics also have Erdős numbers. 3534: 2843: 2788: 2495: 1421: 131: 324:. Much of his work centered around discrete mathematics, cracking many previously unsolved problems in the field. He championed and contributed to 3828: 3769: 711:
states that "his place in the 20th-century mathematical pantheon is a matter of some controversy because he resolutely concentrated on particular
2298: 288:; 26 March 1913 – 20 September 1996) was a Hungarian mathematician. He was one of the most prolific mathematicians and producers of mathematical 2516: 420:
when he was 17 after winning a national examination. At the time, admission of Jews to Hungarian universities was severely restricted under the
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Described by his biographer, Paul Hoffman, as "probably the most eccentric mathematician in the world," Erdős spent most of his adult life
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In his mathematical style, Erdős was much more of a "problem solver" than a "theory developer" (see "The Two Cultures of Mathematics" by
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Erdős signed his name "Paul Erdos P.G.O.M." When he became 60, he added "L.D.", at 65 "A.D.", at 70 "L.D." (again), and at 75 "C.D."
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awarded them honorary degrees on the same day. Erdős numbers have also been proposed for an infant, a horse, and several actors.
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If true, it would solve several other open problems in number theory (although one main implication of the conjecture, that the
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A very large number of results and conjectures (more than 1,500 articles), and a very large number of coauthors (more than 500)
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on dimension theory, his fellowship was not continued, and Erdős was forced to take positions as a wandering scholar at
565: 475: 328:, which studies the conditions in which order necessarily appears. Overall, his work leaned towards solving previously 4684: 4644: 4634: 4521: 4516: 4415: 4313: 2558: 1476: 1453: – theorem that an 𝑛-vertex graph that does not have a simple cycle of length 2𝑘 can only have O(𝑛¹⁺¹ꜘᵏ) edges 826: 577: 2248: 1635: 3637: 3208: 4664: 4011: 3471: 589: 564:, England, to be a guest lecturer. In 1938, he accepted his first American position as a scholarship holder at the 191: 4679: 4654: 4437: 4380: 4375: 4335: 4092: 3845: 1482: 142: 2771: 4669: 4649: 4568: 4425: 3774: 1441: 624: 593: 196: 4205: 3268: 4659: 4420: 1465: 763: 431: 337: 1036: 912: 4674: 4614: 4467: 4452: 4297: 3995: 3326:
Quotable Atheist: Ammunition for Nonbelievers, Political Junkies, Gadflies, and Those Generally Hell-Bound
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Goldfeld, Dorian (2003). "The Elementary Proof of the Prime Number Theorem: an Historical Perspective".
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Erdős was one of the most prolific publishers of papers in mathematical history, comparable only with
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provides a free online tool to determine the Erdős number of every mathematical author listed in the
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for an in-depth discussion of the two styles, and why problem solvers are perhaps less appreciated).
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can be considered to have an Erdős number of 1 because they both autographed the same baseball (for
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Women were "bosses" who "captured" men as "slaves" by marrying them. Divorced men were "liberated".
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Erdős never married and had no children. He is buried next to his mother and father in the Jewish
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When he was 16, his father introduced him to two subjects that would become lifetime favourites—
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The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical Truth
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The Mathematical Coloring Book: Mathematics of Coloring and the Colorful Life of its Creators
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contain arbitrarily long arithmetic progressions, has since been proved independently as the
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Wilhelm) and Lajos Erdős (né Engländer). His two sisters, aged three and five, both died of
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Erdös, an atheist, named 'the Book' the place where God keeps aesthetically perfect proofs.
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denied Erdős, a Hungarian citizen, a re-entry visa into the United States. Teaching at the
4583: 4501: 4390: 4355: 4226: 4157: 4143: 4078: 3991: 3910: 3511: 2910: 2878: 2775: 2499: 2310: 2003: 1595:, using the Mathematical Reviews data base, the next highest article count is roughly 823. 1432: 1427: 1386: 1057: 1000: 834: 585: 422: 388: 368: 247: 4021: 3422: 1105: 952: 581: 447: 443: 352: 2150:. School of Mathematics and Statistics, University of St Andrews, Scotland. January 2000 2127:"What's your Erdös Number? – The bustling Life of Mathematician Paul Erdös | SciHi Blog" 4236: 4185: 4147: 4118: 4082: 4051: 3859: 3029: 2679:
Seife, Charles (5 April 2002). "Erdös's Hard-to-Win Prizes Still Draw Bounty Hunters".
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social practice of mathematics, working with more than 500 collaborators, and for his
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Paul, Hoffman. "1. The Story of Paul Erdös and the Search for Mathematical Truth".
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He gave nicknames to many countries, examples being: the U.S. was "samland" (after
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People who stopped doing mathematics had "died", while people who died had "left".
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Erdős had a reputation for posing new problems as well as solving existing ones –
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Baker, A.; Bollobás, B. (1999). "Paul Erdõs. 26 March 1913 — 20 September 1996".
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Jerusalem, and then a "permanent visiting professor" position at the Technion.
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Math and mathematicians : the history of math discoveries around the world
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For other co-authors of Erdős, see the list of people with Erdős number 1 in
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in 1977. Shortly before his death, he renounced his honorary degree from the
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Erdős influenced many young mathematicians. In this 1985 photo taken at the
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and conjectures throughout his illustrious career." Erdős never won the
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The Erdős number was most likely first defined by Casper Goffman, an
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Mathematics and the Aesthetic: New Approaches to an Ancient Affinity
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Chern, Shiing-Shen; Hirzebruch, Friedrich, eds. (2 September 2023).
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whose own Erdős number is 2; Goffman co-authored with mathematician
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Erdős' most frequent collaborators include Hungarian mathematicians
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owes to him a whole approach, derived in part from the tradition of
3808: 786:, where he is credited as the first person to give an example of a 1342: 1295: 808: 630: 529:, he suggested "I've finally stopped getting dumber." (Hungarian: 2444:
Spencer, Joel (November–December 2000). "Prove and Conjecture!".
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Perhaps the most mathematically notable of these problems is the
413:, the "Mathematical and Physical Journal for Secondary Schools". 3748: 3119: 2247:. Royal Netherlands Academy of Arts and Sciences. Archived from 1374:, both published in 1998) and a 2013 children's picture book by 537: 332:, rather than developing or exploring new areas of mathematics. 4286: 3817: 2980:"Paths to Erdös - The Erdös Number Project- Oakland University" 2468:"Paths to Erdős - The Erdős Number Project- Oakland University" 1360:
Erdős is the subject of at least three books: two biographies (
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Members of the Royal Netherlands Academy of Arts and Sciences
1217:, he spoke of "The Book", a visualization of a book in which 903: + 1 problem. Erdős offered $ 500 for a solution. 1836:""Paul Erdős: The Man Who Loved Only Numbers" video lecture" 1424: – including conjectures, numbers, prizes, and theorems 1246:
Other idiosyncratic elements of Erdős's vocabulary include:
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The most familiar problem with an Erdős prize is likely the
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over what he considered to be unfair treatment of colleague
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reportedly sharing the same bed until he left for college.
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Goffman, Casper (1969). "And what is your Erdős number?".
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My Brain is Open: The Mathematical Journeys of Paul Erdős
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The Boy Who Loved Math: The Improbable Life of Paul Erdős
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started a website dedicated to Erdős's problems in 2024.
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Fan Chung, "Open problems of Paul Erdős in graph theory"
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List of collaborators of Erdős by number of joint papers
1636:"Paul Erdos, 83, a Wayfarer In Math's Vanguard, Is Dead" 1146:
Jerry Grossman has written that it could be argued that
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of the International Astronomical Union (14 May 2021).
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To give an oral exam to students was "to torture" them.
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either "by mistake or out of typographical necessity".
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Foreign associates of the National Academy of Sciences
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Paul Erdos, Mathematical Genius, Human (In That Order)
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Searchable collection of (almost) all papers of Erdős
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He had his own idiosyncratic vocabulary; although an
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Biographical Memoirs of Fellows of the Royal Society
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Biographical Memoirs of Fellows of the Royal Society
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Pages displaying wikidata descriptions as a fallback
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Pages displaying wikidata descriptions as a fallback
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Pages displaying wikidata descriptions as a fallback
821:—who was 10 years old at the time. Tao received the 4561: 4545: 4328: 4219: 4136: 4061: 3984: 3883: 3852: 3474:, a documentary film by George Paul Csicsery, 1991. 237: 225: 171: 161: 138: 127: 117: 109: 90: 68: 49: 4730:Academics of the Victoria University of Manchester 3578: 3398:Variety in Religion And Science: Daily Reflections 1734:Chern, Shiing-Shen; Hirzebruch, Friedrich (2000). 2842:De Castro, Rodrigo; Grossman, Jerrold W. (1999). 1298:was the best language because words for old age ( 504:On 20 September 1996, at the age of 83, he had a 379:a few days before he was born. His parents, both 4750:Mathematicians at the University of Pennsylvania 1279:Mathematical lectures themselves were "sermons". 1193:said, "a mathematician is a machine for turning 3638:"A Life of Mathematics – Paul Erdos, 1913-1996" 3169:J.J. O'Connor; E.F. Robertson (December 2008). 2904:Rev. Acad. Colombiana Cienc. Exact. Fís. Natur. 1687: 1685: 1485: – Group of prominent Hungarian scientists 1462: – Graph of triangles with a shared vertex 1276:To give a mathematical lecture was "to preach". 1169: 863: 514: 4725:Institute for Advanced Study visiting scholars 3148:. Vol. 1. World Scientific. p. 293. 2822:"Some Famous People with Finite Erdös Numbers" 678:Royal Netherlands Academy of Arts and Sciences 4298: 3829: 3804:Radiolab: Numbers, with a story on Paul Erdős 1273:To be considered a hack was to be a "Newton". 8: 4710:Members of the Hungarian Academy of Sciences 3585:. Baker, Lawrence W. Detroit, Mich.: U X L. 3106:"Items of Interest Related to Erdös Numbers" 2179:Notices of the American Mathematical Society 536:Erdős's name contains the Hungarian letter " 1328:A.D. represented "Archaeological Discovery" 1290:) and the Soviet Union was "joedom" (after 1270:Music (except classical music) was "noise". 859:Erdős conjecture on arithmetic progressions 842:was solved in 2014, and the $ 10,000 paid. 450:. He took up a post-doctoral fellowship at 4305: 4291: 4283: 3836: 3822: 3814: 2557:Baas, Nils A.; Skau, Christian F. (2008). 1626: 1624: 1331:The second L.D. represented "Legally Dead" 57: 46: 3453: 3383: 3194: 2864: 2666:"Cash for Math: The Erdős Prizes Live On" 2650:"Prime Gap Grows After Decades-Long Lull" 2595:"Reminiscences of Paul Erdös (1913–1996)" 2577: 2299:Transcription of October 2, 1996, article 2075:"The wandering mathematician: Paul Erdos" 1715: 1322:P.G.O.M. represented "Poor Great Old Man" 746:Of his contributions, the development of 508:and died while attending a conference in 474:was living in America and working at the 363:Paul Erdős was born on 26 March 1913, in 217:Technion – Israel Institute of Technology 3535:Working Group on Small Body Nomenclature 3441: 2778:, from the Erdős number project website. 2517:"Wolf Foundation Mathematics Prize Page" 2061: 1325:The first L.D. represented "Living Dead" 1254:" (because in mathematics, particularly 919:(56 papers), and American mathematician 426:. By the time he was 20, he had found a 122:Royal Hungarian Pázmány Péter University 3770:MacTutor History of Mathematics Archive 3513:N Is a Number: A Portrait of Paul Erdös 2456:Mathematics: Frontiers and Perspectives 2421:Mathematics: Frontiers and Perspectives 2321: 2024: 1936:. Berlin; Heidelberg: Springer Verlag. 1934:N Is a Number: A Portrait of Paul Erdős 1784: 1780: 1778: 1494: 1392:N is a Number: A Portrait of Paul Erdős 544:), but is often incorrectly written as 3789:Jerry Grossman at Oakland University. 3754:Database of problems proposed by Erdős 1861:Alexander, James (27 September 1998). 1605:Lemonick, Michael D. (29 March 1999). 1565:"Paul Erdos - Hungarian mathematician" 621:Immigration and Naturalization Service 438:, who was also the thesis advisor for 4630:20th-century Hungarian mathematicians 3262: 3260: 3258: 3256: 2391:"The Erdős Number Project Data Files" 2301:from University of Waterloo Gazette ( 1979: 1975: 1973: 1961: 1957: 1955: 1953: 1916: 1912: 1910: 1908: 1906: 1904: 1804: 1802: 1800: 1798: 1796: 1422:List of topics named after Paul Erdős 1237:!" This later inspired a book titled 723:, "for his numerous contributions to 283: 7: 4705:Foreign members of the Royal Society 2630:from the original on 18 January 2011 770:'s original one. He also discovered 676:. He became a foreign member of the 635:Counter-clockwise from left: Erdős, 458:were suffering oppression under the 371:, the only surviving child of Anna ( 4775:Wolf Prize in Mathematics laureates 4695:Mathematicians from Austria-Hungary 4553:Edward Shackleton, Baron Shackleton 3655:Mathematical Association of America 3120:"The Extended Erdös Number Project" 2599:Mathematical Association of America 2049:Combinatorics, Paul Erdős is eighty 1607:"Paul Erdos: The Oddball's Oddball" 1233:he would exclaim, "This one's from 766:which proved to be far neater than 27:Hungarian mathematician (1913–1996) 4745:University of Pennsylvania faculty 3034:"Obituary of Paul Erdös at Purdue" 3005:"mathscinet/collaborationDistance" 2746:p. 354, Soifer, Alexander (2008); 2125:Sack, Harald (20 September 2018). 1996:"Erdős Pál sírja - grave 17A-6-29" 25: 3356:, William Higginson, ed. (2006). 3312:you should believe in the Book.". 2519:. Wolffund.org.il. Archived from 2423:. American Mathematical Society. 2414:"The Two Cultures of Mathematics" 1740:. World Scientific. p. 294. 1479: – Subfield of number theory 1389:'s biographical documentary film 296:pursued and proposed problems in 177:Victoria University of Manchester 4780:Burials at Kozma Street Cemetery 4755:University of Notre Dame faculty 4266: 2620:"Math genius left unclaimed sum" 1666:. Gap-system.org. Archived from 4720:Eötvös Loránd University alumni 2544:Number Theory: New York Seminar 2502:, by DeCastro and Grossman, in 1503:"Mathematics Genealogy Project" 1396:made while he was still alive. 1267:Alcoholic drinks were "poison". 491:University of Wisconsin–Madison 3798:The Man Who Loved Only Numbers 3744:Erdős's Google Scholar profile 3714:. Berlin; New York: Springer. 3270:The Man Who Loved Only Numbers 2852:The Mathematical Intelligencer 2664:KEVIN HARTNETT (5 June 2017). 2504:The Mathematical Intelligencer 2209:. The Royal Society: 147–164. 2169:Babai, László; Spencer, Joel. 1932:Csicsery, George Paul (2005). 1842:. The University of Manchester 1367:The Man Who Loved Only Numbers 1334:C.D. represented "Counts Dead" 1250:Children were referred to as " 1094:List of people by Erdős number 817:, Erdős explains a problem to 212:Hebrew University of Jerusalem 1: 3785:Mathematics Genealogy Project 3679:. London: Fourth Estate Ltd. 3484:Silver, Nate (12 July 2013). 3328:. Nation Books. p. 107. 3071:American Mathematical Monthly 3058:from the Erdos Number Project 2844:"Famous trails to Paul Erdős" 2579:10.1090/S0273-0979-08-01223-8 2188:American Mathematical Society 1834:Hoffman, Paul (1 July 2016). 1549:Hoffman, Paul (8 July 2013). 1171:Another roof, another proof. 1126:American Mathematical Society 876:, then the sequence contains 584:in approximation theory, and 4765:Princeton University faculty 4700:Mathematicians from Budapest 2902:Original Spanish version in 2454:This article is a review of 2340:"Publications of Paul Erdös" 1231:beautiful mathematical proof 670:National Academy of Sciences 566:Institute for Advanced Study 476:Institute for Advanced Study 416:Erdős began studying at the 44:when mentioning individuals. 4740:Syracuse University faculty 4735:Stanford University faculty 4432:Andrew David McLachlan 3171:"Biography of Alfréd Rényi" 2693:10.1126/science.296.5565.39 2262:Erdős, Paul (4 June 1996). 1891:"Paul Erdős just left town" 1863:"Planning an Infinite Stay" 1553:. "Encyclopædia Britannica. 1477:Probabilistic number theory 1310:) sounded almost the same. 1054:Richard R. Hall (14 papers) 827:Fellow of the Royal Society 825:in 2006, and was elected a 750:and the application of the 578:probabilistic number theory 4796: 3400:. iUniverse. p. 256. 3396:Raman, Varadaraja (2005). 2952:"Erdös Numbers in Finance" 2393:. Oakland.edu. 29 May 2009 2365:"Paul Erdos, Sweet Genius" 2309:November 23, 2010, at the 1385:He is also the subject of 1103: 772:the first elementary proof 762:. Erdős found a proof for 650:at the time was under the 531:"Végre nem butulok tovább" 489:Ulam left his post at the 192:University of Pennsylvania 31: 4760:Purdue University faculty 4262: 3846:Wolf Prize in Mathematics 3720:10.1007/978-3-662-44205-0 3608:Schechter, Bruce (1998). 3467:Paul Erdös: N is a number 3222:(1): 7–15. Archived from 3146:Wolf Prize in Mathematics 2043:Erdős, Paul; Miklós, D.; 1737:Wolf Prize in Mathematics 1483:The Martians (scientists) 266: 154: 56: 4569:Nicole Marthe Le Douarin 4426:Gilbert George Lonzarich 3792:The Erdös Number Project 3775:University of St Andrews 3516:(Documentary, Biography) 3360:. Springer. p. 36. 3216:Mathematics Competitions 2412:Gowers, Timothy (2000). 2245:"P. Erdös (1913 - 1996)" 2171:"Paul Erdős (1913–1996)" 2101:"Paul Erdős - Biography" 1810:"Paul Erdős - Biography" 1442:Dimension (graph theory) 804: 663:U.S. Immigration Service 625:University of Notre Dame 560:In 1934, Erdős moved to 484:living out of a suitcase 197:University of Notre Dame 40:. This article uses 32:The native form of this 4487:John Philip Simons 4474:John Martin Rowell 3653:(6). Washington, D.C.: 3510:Csicsery, George Paul, 3324:Huberman, Jack (2008). 2789:"From Benford to Erdös" 2264:"Dear President Downey" 1466:Minimum overlap problem 1069:A. R. Reddy (11 papers) 878:arithmetic progressions 493:in 1943 to work on the 387:as an Austro-Hungarian 4453:Robert Ladislav Parker 4273:Mathematics portal 3996:Ilya Piatetski-Shapiro 2752:; New York: Springer. 2215:10.1098/rsbm.1999.0011 1717:10.1098/rsbm.1999.0011 1352: 1173: 1148:Baseball Hall of Famer 1113:small-world phenomenon 1066:Zsolt Tuza (12 papers) 1063:István Joó (12 papers) 882: 830: 815:University of Adelaide 760:analytic number theory 756:Extremal combinatorics 754:especially stand out. 682:University of Waterloo 644: 519: 499:Los Alamos, New Mexico 418:University of Budapest 392:the rest of his life. 285:[ˈɛrdøːʃˈpaːl] 280: 4690:Probability theorists 4481:Ian John Russell 4206:Jean-François Le Gall 2900:on 24 September 2015. 2566:Bull. Amer. Math. Soc 2363:(27 September 1996). 1634:(24 September 1996). 1349:Kozma Street Cemetery 1346: 812: 741:mathematical analysis 634: 525:in Budapest. For his 523:Kozma Street Cemetery 462:. While there he met 310:mathematical analysis 292:of the 20th century. 4594:Edward Mills Purcell 4123:Phillip A. Griffiths 3961:Friedrich Hirzebruch 3761:Robertson, Edmund F. 3711:Proofs from THE BOOK 3616:Simon & Schuster 3207:Erdős, Paul (1995). 2909:(89) 563–582, 1999, 2361:Krauthammer, Charles 1644:. pp. A1 and B8 1471:Probabilistic method 1451:Even circuit theorem 1294:). He claimed that 1240:Proofs from the Book 1130:Mathematical Reviews 880:of arbitrary length. 871:sequence of integers 788:totally disconnected 776:prime number theorem 764:Bertrand's postulate 752:probabilistic method 464:Godfrey Harold Hardy 460:authoritarian regime 314:approximation theory 298:discrete mathematics 182:Princeton University 4640:Hungarian agnostics 4527:Thomas Summers West 4196:Alexander Beilinson 3759:O'Connor, John J.; 3038:www.math.purdue.edu 2652:. 10 December 2014. 2593:Henriksen, Melvin. 2370:The Washington Post 1031:Eric Charles Milner 1007:Melvyn B. Nathanson 899:, also called the 3 611:As a result of the 542:double acute accent 432:Chebyshev's theorem 207:Syracuse University 202:Stanford University 4685:Network scientists 4645:Hungarian atheists 4635:Mental calculators 4589:Barbara McClintock 4376:Peter Goddard 4227:Simon K. Donaldson 4154:Michael Aschbacher 4113:Hillel Furstenberg 3490:The New York Times 2875:10.1007/BF03025416 2774:2008-08-04 at the 2498:2015-09-24 at the 2446:American Scientist 2276:on 15 October 2005 1868:The New York Times 1641:The New York Times 1617:on 6 January 2012. 1353: 1013:Jean-Louis Nicolas 897:Collatz conjecture 865:If the sum of the 831: 645: 639:, and her husband 322:probability theory 63:Paul Erdős in 1992 42:Western name order 4665:Combinatorialists 4602: 4601: 4532:Andrew Wiles 4497:Marshall Stoneham 4280: 4279: 4243:Ingrid Daubechies 4200:Vladimir Drinfeld 4190:Charles Fefferman 4073:Jean-Pierre Serre 3921:Shiing-Shen Chern 3895:Andrey Kolmogorov 3844:Laureates of the 3729:978-3-662-44204-3 3686:978-1-85702-811-9 3636:(December 1996). 3625:978-0-684-84635-4 3575:Bruno, Leonard C. 3386:, pp. 70–71. 3354:Nathalie Sinclair 3294:(26 March 2013). 3209:"Child Prodigies" 3104:Grossman, Jerry. 2820:Grossman, Jerry. 2801:on 18 August 2010 2758:978-0-387-74640-1 2493:"trails to Erdos" 2338:Grossman, Jerry. 2148:"Erdos biography" 1747:978-981-02-3945-9 1664:"Erdos biography" 1530:. 6 February 2019 1376:Deborah Heiligman 1304:) and stupidity ( 995:Miklós Simonovits 890:Green–Tao theorem 791:topological space 692:Mathematical work 495:Manhattan Project 270: 269: 238:Doctoral students 187:Purdue University 156:Scientific career 94:20 September 1996 85:, Austria-Hungary 16:(Redirected from 4787: 4680:Number theorists 4655:Jewish agnostics 4537:Ian Robert Young 4522:Rob Webster 4492:Roger Slack 4438:Michael A. Moore 4421:John Lawton 4341:Kenneth Bagshawe 4307: 4300: 4293: 4284: 4271: 4270: 4231:Yakov Eliashberg 4127:David B. Mumford 4099:Grigory Margulis 4028:Robert Langlands 4006:John G. Thompson 4002:Lennart Carleson 3971:Alberto Calderón 3941:Samuel Eilenberg 3931:Kunihiko Kodaira 3838: 3831: 3824: 3815: 3777: 3733: 3706:Ziegler, Günther 3690: 3666: 3664: 3662: 3642: 3629: 3604: 3584: 3562: 3561: 3559: 3557: 3543: 3539:"WGSBN Bulletin" 3531: 3525: 3524: 3523: 3521: 3507: 3501: 3500: 3498: 3496: 3481: 3475: 3468: 3463: 3457: 3451: 3445: 3439: 3430: 3429: 3427: 3418: 3412: 3411: 3393: 3387: 3381: 3375: 3374: 3350: 3344: 3343: 3321: 3315: 3314: 3308: 3306: 3288: 3282: 3281: 3279: 3277: 3264: 3251: 3245: 3239: 3238: 3236: 3234: 3229:on 24 March 2012 3228: 3213: 3204: 3198: 3192: 3186: 3185: 3183: 3181: 3166: 3160: 3159: 3141: 3135: 3134: 3132: 3130: 3116: 3110: 3109: 3101: 3095: 3094: 3066: 3060: 3055: 3049: 3048: 3046: 3044: 3026: 3020: 3019: 3017: 3015: 3001: 2995: 2994: 2992: 2990: 2976: 2970: 2969: 2962: 2956: 2955: 2948: 2942: 2941: 2939: 2937: 2923: 2917: 2901: 2899: 2893:. 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Darst 1121:Fields Medalists 915:(62 papers) and 805:Erdős's problems 795:zero-dimensional 448:Paul (Pál) Turán 440:John von Neumann 295: 287: 253:Alexander Soifer 227:Doctoral advisor 166:Pure mathematics 97: 78: 76: 61: 47: 21: 4795: 4794: 4790: 4789: 4788: 4786: 4785: 4784: 4670:Graph theorists 4650:Jewish atheists 4605: 4604: 4603: 4598: 4584:Edward B. Lewis 4557: 4541: 4502:Roger C. Thomas 4391:Geoffrey Hewitt 4356:Roger Blandford 4324: 4311: 4281: 4276: 4265: 4258: 4215: 4180:James G. Arthur 4158:Luis Caffarelli 4144:Dennis Sullivan 4132: 4079:Vladimir Arnold 4057: 3992:Ennio De Giorgi 3980: 3911:Hassler Whitney 3879: 3848: 3842: 3758: 3740: 3730: 3700: 3697: 3695:Further reading 3687: 3669: 3660: 3658: 3640: 3632: 3626: 3607: 3593: 3573: 3570: 3565: 3555: 3553: 3541: 3533: 3532: 3528: 3519: 3517: 3509: 3508: 3504: 3494: 3492: 3483: 3482: 3478: 3466: 3464: 3460: 3452: 3448: 3440: 3433: 3425: 3421:Strick, Heinz. 3420: 3419: 3415: 3408: 3395: 3394: 3390: 3382: 3378: 3368: 3352: 3351: 3347: 3336: 3323: 3322: 3318: 3304: 3302: 3300:Huffington Post 3290: 3289: 3285: 3275: 3273: 3266: 3265: 3254: 3246: 3242: 3232: 3230: 3226: 3211: 3206: 3205: 3201: 3197:, pp. 155. 3193: 3189: 3179: 3177: 3168: 3167: 3163: 3156: 3143: 3142: 3138: 3128: 3126: 3124:harveycohen.net 3118: 3117: 3113: 3103: 3102: 3098: 3083:10.2307/2317868 3068: 3067: 3063: 3056: 3052: 3042: 3040: 3028: 3027: 3023: 3013: 3011: 3003: 3002: 2998: 2988: 2986: 2978: 2977: 2973: 2964: 2963: 2959: 2950: 2949: 2945: 2935: 2933: 2925: 2924: 2920: 2897: 2846: 2841: 2840: 2836: 2826: 2824: 2819: 2818: 2814: 2804: 2802: 2787: 2786: 2782: 2776:Wayback Machine 2767: 2763: 2745: 2741: 2731: 2729: 2721: 2720: 2716: 2687:(5565): 39–40. 2678: 2677: 2673: 2663: 2662: 2658: 2648: 2647: 2643: 2633: 2631: 2618: 2617: 2613: 2603: 2601: 2592: 2591: 2587: 2561: 2556: 2555: 2551: 2541: 2540: 2536: 2526: 2524: 2515: 2514: 2510: 2500:Wayback Machine 2490: 2486: 2476: 2474: 2466: 2465: 2461: 2443: 2442: 2438: 2431: 2416: 2411: 2410: 2406: 2396: 2394: 2389: 2388: 2384: 2375: 2359: 2358: 2354: 2344: 2342: 2337: 2336: 2332: 2320: 2316: 2311:Wayback Machine 2297: 2293: 2279: 2277: 2273: 2266: 2261: 2260: 2256: 2243: 2242: 2238: 2200: 2199: 2195: 2173: 2168: 2167: 2163: 2153: 2151: 2146: 2145: 2141: 2131: 2129: 2124: 2123: 2119: 2109: 2107: 2099: 2098: 2094: 2084: 2082: 2073: 2072: 2068: 2060: 2056: 2042: 2039: 2035: 2023: 2019: 2009: 2007: 2006:on 4 April 2016 1994: 1993: 1989: 1978: 1971: 1960: 1951: 1944: 1931: 1930: 1926: 1915: 1902: 1897:on 9 June 2011. 1889:Babai, László. 1888: 1887: 1883: 1873: 1871: 1860: 1859: 1855: 1845: 1843: 1833: 1832: 1828: 1818: 1816: 1808: 1807: 1794: 1783: 1776: 1766: 1764: 1760: 1759: 1755: 1748: 1733: 1732: 1725: 1691: 1690: 1683: 1673: 1671: 1662: 1661: 1657: 1647: 1645: 1630: 1629: 1622: 1604: 1603: 1599: 1589: 1587: 1583: 1573: 1571: 1563: 1562: 1558: 1548: 1547: 1543: 1533: 1531: 1528:Quanta Magazine 1522: 1521: 1517: 1507: 1505: 1501: 1500: 1496: 1492: 1454: 1445: 1436: 1433:Covering system 1428:Box-making game 1418: 1402: 1387:George Csicsery 1358: 1356:Books and films 1341: 1316: 1179: 1175: 1167: 1108: 1102: 1090: 1058:George Piranian 1001:Ernst G. Straus 959:Endre Szemerédi 909: 807: 694: 619:, in 1954, the 586:Witold Hurewicz 558: 456:Jews in Hungary 423:numerus clausus 401:infinite series 389:prisoner of war 369:Austria-Hungary 361: 293: 262: 248:George B. Purdy 221: 146: 118:Alma mater 105: 99: 95: 86: 80: 74: 72: 64: 52: 45: 28: 23: 22: 15: 12: 11: 5: 4793: 4791: 4783: 4782: 4777: 4772: 4767: 4762: 4757: 4752: 4747: 4742: 4737: 4732: 4727: 4722: 4717: 4712: 4707: 4702: 4697: 4692: 4687: 4682: 4677: 4672: 4667: 4662: 4660:Hungarian Jews 4657: 4652: 4647: 4642: 4637: 4632: 4627: 4622: 4617: 4607: 4606: 4600: 4599: 4597: 4596: 4591: 4586: 4581: 4576: 4571: 4565: 4563: 4559: 4558: 4556: 4555: 4549: 4547: 4543: 4542: 4540: 4539: 4534: 4529: 4524: 4519: 4514: 4509: 4504: 4499: 4494: 4489: 4484: 4477: 4470: 4465: 4460: 4455: 4450: 4445: 4440: 4435: 4428: 4423: 4418: 4413: 4408: 4403: 4398: 4393: 4388: 4383: 4378: 4373: 4368: 4363: 4358: 4353: 4348: 4343: 4338: 4336:Brian Anderson 4332: 4330: 4326: 4325: 4312: 4310: 4309: 4302: 4295: 4287: 4278: 4277: 4263: 4260: 4259: 4257: 4256: 4246: 4240: 4237:George Lusztig 4234: 4223: 4221: 4217: 4216: 4214: 4213: 4210:Gregory Lawler 4203: 4193: 4186:Richard Schoen 4183: 4177: 4171: 4161: 4151: 4148:Shing-Tung Yau 4140: 4138: 4134: 4133: 4131: 4130: 4119:Pierre Deligne 4116: 4106: 4103:Sergei Novikov 4096: 4086: 4083:Saharon Shelah 4076: 4065: 4063: 4059: 4058: 4056: 4055: 4052:Elias M. 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Siegel 3860:Israel Gelfand 3856: 3854: 3850: 3849: 3843: 3841: 3840: 3833: 3826: 3818: 3812: 3811: 3806: 3801: 3795: 3787: 3778: 3756: 3751: 3746: 3739: 3738:External links 3736: 3735: 3734: 3728: 3702:Aigner, Martin 3696: 3693: 3692: 3691: 3685: 3667: 3634:Bollobás, Béla 3630: 3624: 3605: 3592:978-0787638139 3591: 3569: 3566: 3564: 3563: 3546:WGSBN Bulletin 3526: 3502: 3476: 3458: 3456:, pp. 41. 3454:Schechter 1998 3446: 3431: 3413: 3406: 3388: 3384:Schechter 1998 3376: 3366: 3345: 3334: 3316: 3283: 3252: 3240: 3199: 3195:Schechter 1998 3187: 3161: 3154: 3136: 3111: 3096: 3061: 3050: 3030:Michael Golomb 3021: 2996: 2971: 2957: 2943: 2918: 2866:10.1.1.33.6972 2834: 2812: 2780: 2761: 2739: 2727:Erdős Problems 2714: 2671: 2656: 2641: 2611: 2585: 2572:(4): 617–649. 2549: 2534: 2508: 2484: 2459: 2436: 2430:978-0821826973 2429: 2404: 2382: 2373:. p. A25. 2352: 2330: 2314: 2291: 2254: 2236: 2193: 2161: 2139: 2117: 2092: 2081:. 28 July 2023 2066: 2054: 2033: 2017: 1987: 1969: 1949: 1942: 1924: 1900: 1881: 1853: 1826: 1792: 1774: 1753: 1746: 1723: 1681: 1670:on 7 June 2011 1655: 1620: 1597: 1581: 1569:Britannica.com 1556: 1541: 1515: 1493: 1491: 1488: 1487: 1486: 1480: 1474: 1468: 1463: 1457: 1448: 1439: 1430: 1425: 1417: 1414: 1401: 1398: 1357: 1354: 1340: 1337: 1336: 1335: 1332: 1329: 1326: 1323: 1315: 1312: 1284: 1283: 1280: 1277: 1274: 1271: 1268: 1265: 1262: 1259: 1189:His colleague 1168: 1166: 1163: 1155:Carl Pomerance 1104:Main article: 1101: 1098: 1089: 1088: 1082: 1076: 1070: 1067: 1064: 1061: 1055: 1052: 1046: 1043:John Selfridge 1040: 1037:András Gyárfás 1034: 1028: 1022: 1016: 1010: 1004: 998: 992: 986: 980: 977:Carl Pomerance 974: 968: 962: 956: 950: 944: 938: 935:C. C. Rousseau 932: 929:Richard Schelp 925: 913:András Sárközy 908: 905: 806: 803: 705:Timothy Gowers 698:Leonhard Euler 693: 690: 557: 554: 360: 357: 268: 267: 264: 263: 261: 260: 255: 250: 243:Joseph Kruskal 241: 239: 235: 234: 229: 223: 222: 220: 219: 214: 209: 204: 199: 194: 189: 184: 175: 173: 169: 168: 163: 159: 158: 152: 151: 148:AMS Cole Prize 140: 136: 135: 129: 128:Known for 125: 124: 119: 115: 114: 111: 107: 106: 100: 98:(aged 83) 92: 88: 87: 81: 70: 66: 65: 62: 54: 53: 50: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4792: 4781: 4778: 4776: 4773: 4771: 4768: 4766: 4763: 4761: 4758: 4756: 4753: 4751: 4748: 4746: 4743: 4741: 4738: 4736: 4733: 4731: 4728: 4726: 4723: 4721: 4718: 4716: 4713: 4711: 4708: 4706: 4703: 4701: 4698: 4696: 4693: 4691: 4688: 4686: 4683: 4681: 4678: 4676: 4675:Set theorists 4673: 4671: 4668: 4666: 4663: 4661: 4658: 4656: 4653: 4651: 4648: 4646: 4643: 4641: 4638: 4636: 4633: 4631: 4628: 4626: 4623: 4621: 4618: 4616: 4613: 4612: 4610: 4595: 4592: 4590: 4587: 4585: 4582: 4580: 4579:Kenichi Fukui 4577: 4575: 4572: 4570: 4567: 4566: 4564: 4560: 4554: 4551: 4550: 4548: 4544: 4538: 4535: 4533: 4530: 4528: 4525: 4523: 4520: 4518: 4515: 4513: 4510: 4508: 4507:Anne Treisman 4505: 4503: 4500: 4498: 4495: 4493: 4490: 4488: 4485: 4483: 4482: 4478: 4476: 4475: 4471: 4469: 4466: 4464: 4461: 4459: 4456: 4454: 4451: 4449: 4446: 4444: 4441: 4439: 4436: 4434: 4433: 4429: 4427: 4424: 4422: 4419: 4417: 4416:Francis Kelly 4414: 4412: 4411:Michael James 4409: 4407: 4406:Richard Hynes 4404: 4402: 4399: 4397: 4394: 4392: 4389: 4387: 4384: 4382: 4381:Michael Green 4379: 4377: 4374: 4372: 4369: 4367: 4364: 4362: 4359: 4357: 4354: 4352: 4349: 4347: 4344: 4342: 4339: 4337: 4334: 4333: 4331: 4327: 4323: 4319: 4318:Royal Society 4315: 4308: 4303: 4301: 4296: 4294: 4289: 4288: 4285: 4275: 4274: 4269: 4261: 4254: 4250: 4247: 4244: 4241: 4238: 4235: 4232: 4228: 4225: 4224: 4222: 4218: 4211: 4207: 4204: 4201: 4197: 4194: 4191: 4187: 4184: 4181: 4178: 4175: 4172: 4169: 4168:Michael Artin 4165: 4164:George Mostow 4162: 4159: 4155: 4152: 4149: 4145: 4142: 4141: 4139: 4135: 4128: 4124: 4120: 4117: 4114: 4110: 4109:Stephen Smale 4107: 4104: 4100: 4097: 4094: 4090: 4087: 4084: 4080: 4077: 4074: 4070: 4067: 4066: 4064: 4060: 4053: 4049: 4048:László Lovász 4046: 4043: 4039: 4038:Joseph Keller 4036: 4033: 4029: 4026: 4023: 4020: 4017: 4013: 4010: 4007: 4003: 4000: 3997: 3993: 3990: 3989: 3987: 3983: 3976: 3972: 3969: 3966: 3962: 3959: 3956: 3952: 3949: 3946: 3942: 3939: 3936: 3932: 3929: 3926: 3922: 3919: 3916: 3912: 3909: 3906: 3905:Oscar Zariski 3902: 3899: 3896: 3892: 3889: 3888: 3886: 3882: 3875: 3871: 3868: 3865: 3861: 3858: 3857: 3855: 3851: 3847: 3839: 3834: 3832: 3827: 3825: 3820: 3819: 3816: 3810: 3807: 3805: 3802: 3799: 3796: 3794: 3793: 3788: 3786: 3782: 3779: 3776: 3772: 3771: 3766: 3762: 3757: 3755: 3752: 3750: 3747: 3745: 3742: 3741: 3737: 3731: 3725: 3721: 3717: 3713: 3712: 3707: 3703: 3699: 3698: 3694: 3688: 3682: 3678: 3677: 3672: 3671:Hoffman, Paul 3668: 3656: 3652: 3648: 3647: 3639: 3635: 3631: 3627: 3621: 3617: 3613: 3612: 3606: 3602: 3598: 3594: 3588: 3583: 3582: 3576: 3572: 3571: 3567: 3551: 3547: 3540: 3536: 3530: 3527: 3515: 3514: 3506: 3503: 3491: 3487: 3480: 3477: 3473: 3469: 3462: 3459: 3455: 3450: 3447: 3444:, pp. 6. 3443: 3442:Bollobás 1996 3438: 3436: 3432: 3424: 3417: 3414: 3409: 3407:9780595358403 3403: 3399: 3392: 3389: 3385: 3380: 3377: 3373: 3369: 3367:9780387305264 3363: 3359: 3355: 3349: 3346: 3342: 3337: 3335:9781568584195 3331: 3327: 3320: 3317: 3313: 3301: 3297: 3293: 3292:Mulcahy, Colm 3287: 3284: 3272: 3271: 3263: 3261: 3259: 3257: 3253: 3250: 3244: 3241: 3225: 3221: 3217: 3210: 3203: 3200: 3196: 3191: 3188: 3176: 3175:Maths History 3172: 3165: 3162: 3157: 3155:9789814723930 3151: 3147: 3140: 3137: 3125: 3121: 3115: 3112: 3107: 3100: 3097: 3092: 3088: 3084: 3080: 3076: 3072: 3065: 3062: 3059: 3054: 3051: 3039: 3035: 3031: 3025: 3022: 3010: 3006: 3000: 2997: 2985: 2981: 2975: 2972: 2967: 2961: 2958: 2953: 2947: 2944: 2932: 2928: 2922: 2919: 2915: 2912: 2908: 2905: 2896: 2892: 2888: 2884: 2880: 2876: 2872: 2867: 2862: 2858: 2854: 2853: 2845: 2838: 2835: 2823: 2816: 2813: 2800: 2796: 2795: 2790: 2784: 2781: 2777: 2773: 2770: 2765: 2762: 2759: 2755: 2751: 2750: 2743: 2740: 2728: 2724: 2718: 2715: 2710: 2706: 2702: 2698: 2694: 2690: 2686: 2682: 2675: 2672: 2667: 2660: 2657: 2651: 2645: 2642: 2629: 2625: 2621: 2615: 2612: 2600: 2596: 2589: 2586: 2580: 2575: 2571: 2567: 2560: 2553: 2550: 2545: 2538: 2535: 2522: 2518: 2512: 2509: 2505: 2501: 2497: 2494: 2488: 2485: 2473: 2469: 2463: 2460: 2457: 2451: 2447: 2440: 2437: 2432: 2426: 2422: 2415: 2408: 2405: 2392: 2386: 2383: 2378: 2372: 2371: 2366: 2362: 2356: 2353: 2341: 2334: 2331: 2327: 2323: 2318: 2315: 2312: 2308: 2304: 2300: 2295: 2292: 2288: 2272: 2265: 2258: 2255: 2250: 2246: 2240: 2237: 2232: 2228: 2224: 2220: 2216: 2212: 2208: 2204: 2197: 2194: 2189: 2185: 2181: 2180: 2172: 2165: 2162: 2149: 2143: 2140: 2128: 2121: 2118: 2106: 2105:Maths History 2102: 2096: 2093: 2080: 2076: 2070: 2067: 2064:, pp. 4. 2063: 2062:Bollobás 1996 2058: 2055: 2050: 2046: 2037: 2034: 2030: 2026: 2021: 2018: 2005: 2001: 1997: 1991: 1988: 1985: 1981: 1976: 1974: 1970: 1967: 1963: 1958: 1956: 1954: 1950: 1945: 1943:3-540-22469-6 1939: 1935: 1928: 1925: 1922: 1918: 1913: 1911: 1909: 1907: 1905: 1901: 1896: 1892: 1885: 1882: 1870: 1869: 1864: 1857: 1854: 1841: 1837: 1830: 1827: 1815: 1814:Maths History 1811: 1805: 1803: 1801: 1799: 1797: 1793: 1790: 1786: 1781: 1779: 1775: 1763: 1757: 1754: 1749: 1743: 1739: 1738: 1730: 1728: 1724: 1718: 1713: 1709: 1705: 1704: 1699: 1695: 1688: 1686: 1682: 1669: 1665: 1659: 1656: 1643: 1642: 1637: 1633: 1627: 1625: 1621: 1616: 1612: 1608: 1601: 1598: 1592: 1588:According to 1585: 1582: 1570: 1566: 1560: 1557: 1552: 1545: 1542: 1529: 1525: 1519: 1516: 1504: 1498: 1495: 1489: 1484: 1481: 1478: 1475: 1472: 1469: 1467: 1464: 1461: 1458: 1452: 1449: 1443: 1440: 1434: 1431: 1429: 1426: 1423: 1420: 1419: 1415: 1413: 1411: 1407: 1399: 1397: 1395: 1393: 1388: 1383: 1381: 1377: 1373: 1369: 1368: 1363: 1355: 1350: 1345: 1338: 1333: 1330: 1327: 1324: 1321: 1320: 1319: 1313: 1311: 1309: 1308: 1303: 1302: 1297: 1293: 1292:Joseph Stalin 1289: 1281: 1278: 1275: 1272: 1269: 1266: 1263: 1260: 1257: 1253: 1249: 1248: 1247: 1244: 1242: 1241: 1236: 1232: 1228: 1224: 1220: 1216: 1211: 1209: 1205: 1201: 1196: 1192: 1187: 1184: 1178: 1172: 1164: 1162: 1160: 1156: 1152: 1149: 1144: 1142: 1138: 1133: 1131: 1127: 1122: 1116: 1114: 1107: 1099: 1097: 1095: 1086: 1085:Zoltán Füredi 1083: 1080: 1077: 1074: 1071: 1068: 1065: 1062: 1059: 1056: 1053: 1050: 1047: 1044: 1041: 1038: 1035: 1032: 1029: 1026: 1025:Béla Bollobás 1023: 1020: 1017: 1014: 1011: 1008: 1005: 1002: 999: 996: 993: 990: 987: 984: 981: 978: 975: 972: 969: 966: 963: 960: 957: 954: 951: 948: 945: 942: 939: 936: 933: 930: 927: 926: 924: 922: 921:Ralph Faudree 918: 917:András Hajnal 914: 907:Collaborators 906: 904: 902: 898: 893: 891: 887: 886:prime numbers 881: 879: 875: 872: 868: 862: 860: 855: 853: 848: 847:Ronald Graham 843: 841: 836: 835:Ernst Strauss 828: 824: 820: 816: 811: 802: 800: 796: 792: 789: 785: 781: 778:, along with 777: 773: 769: 765: 761: 757: 753: 749: 748:Ramsey theory 744: 742: 738: 734: 730: 729:combinatorics 726: 725:number theory 722: 718: 714: 710: 706: 701: 699: 691: 689: 687: 683: 679: 675: 674:Royal Society 671: 666: 664: 661:In 1963, the 659: 657: 653: 649: 642: 641:Ronald Graham 638: 633: 629: 626: 622: 618: 614: 609: 607: 603: 599: 595: 591: 587: 583: 579: 575: 574:Aurel Wintner 571: 567: 563: 555: 553: 551: 547: 543: 539: 534: 532: 528: 524: 518: 513: 511: 507: 502: 500: 496: 492: 487: 485: 480: 477: 471: 469: 465: 461: 457: 453: 449: 445: 441: 437: 433: 429: 425: 424: 419: 414: 412: 411: 406: 402: 397: 393: 390: 386: 382: 378: 377:scarlet fever 374: 370: 366: 358: 356: 354: 350: 346: 344: 339: 333: 331: 330:open problems 327: 326:Ramsey theory 323: 319: 315: 311: 307: 306:number theory 303: 299: 291: 286: 282: 278: 274: 265: 259: 258:Béla Bollobás 256: 254: 251: 249: 246: 245: 244: 240: 236: 233: 230: 228: 224: 218: 215: 213: 210: 208: 205: 203: 200: 198: 195: 193: 190: 188: 185: 183: 180: 179: 178: 174: 170: 167: 164: 160: 157: 153: 149: 144: 141: 137: 133: 130: 126: 123: 120: 116: 112: 108: 103: 93: 89: 84: 79:26 March 1913 71: 67: 60: 55: 48: 43: 39: 35: 34:personal name 30: 19: 4573: 4512:Kenneth Wade 4479: 4472: 4468:Warren Roper 4463:Richard Peto 4458:Geoff Parker 4430: 4371:Alwyn Davies 4346:John M. Ball 4264: 4174:Peter Sarnak 4032:Andrew Wiles 4022:Jürgen Moser 4016:Jacques Tits 3945:Atle Selberg 3924: 3901:Lars Ahlfors 3891:Henri Cartan 3791: 3768: 3765:"Paul Erdős" 3710: 3675: 3659:. Retrieved 3650: 3644: 3614:. New York: 3610: 3580: 3554:. Retrieved 3549: 3545: 3529: 3518:, retrieved 3512: 3505: 3493:. Retrieved 3489: 3479: 3461: 3449: 3423:"Paul Erdős" 3416: 3397: 3391: 3379: 3371: 3357: 3348: 3339: 3325: 3319: 3310: 3303:. Retrieved 3299: 3286: 3274:. Retrieved 3269: 3243: 3231:. Retrieved 3224:the original 3219: 3215: 3202: 3190: 3178:. Retrieved 3174: 3164: 3145: 3139: 3127:. Retrieved 3123: 3114: 3099: 3074: 3070: 3064: 3053: 3041:. Retrieved 3037: 3024: 3012:. Retrieved 3008: 2999: 2987:. Retrieved 2984:OU-Main-Page 2983: 2974: 2960: 2946: 2934:. Retrieved 2931:OU-Main-Page 2930: 2921: 2906: 2903: 2895:the original 2859:(3): 51–63. 2856: 2850: 2837: 2825:. Retrieved 2815: 2803:. Retrieved 2799:the original 2793: 2783: 2764: 2747: 2742: 2730:. 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Retrieved 1639: 1632:Kolata, Gina 1615:the original 1610: 1600: 1584: 1572:. Retrieved 1568: 1559: 1551:"Paul Erdős" 1544: 1532:. Retrieved 1527: 1518: 1506:. Retrieved 1497: 1406:minor planet 1404:In 2021 the 1403: 1390: 1384: 1379: 1371: 1365: 1359: 1317: 1305: 1299: 1285: 1245: 1238: 1234: 1222: 1212: 1191:Alfréd Rényi 1188: 1180: 1176:— Paul Erdős 1174: 1170: 1145: 1134: 1117: 1109: 1106:Erdős number 1100:Erdős number 1091: 1073:Vojtěch Rödl 1019:Richard Rado 983:Joel Spencer 947:Alfréd Rényi 910: 900: 894: 883: 864: 856: 852:Thomas Bloom 844: 832: 823:Fields Medal 793:that is not 780:Atle Selberg 745: 717:Fields Medal 709:Joel Spencer 702: 695: 686:Adrian Bondy 667: 660: 656:Soviet Union 646: 643:, Japan 1986 610: 559: 549: 545: 540:" ("o" with 535: 530: 520: 515: 506:heart attack 503: 488: 481: 472: 444:George Pólya 421: 415: 408: 398: 394: 362: 353:Erdős number 342: 334: 302:graph theory 272: 271: 172:Institutions 155: 96:(1996-09-20) 37: 29: 4625:1996 deaths 4620:1913 births 4443:Kim Nasmyth 4401:Julian Hunt 4361:Arthur Cain 4351:Adrian Bird 3975:John Milnor 2604:1 September 2472:oakland.edu 2154:11 November 2110:9 September 2085:9 September 1710:: 147–164. 1692:Baker, A.; 1165:Personality 1132:catalogue. 1087:(10 papers) 1081:(10 papers) 1075:(11 papers) 1060:(14 papers) 1051:(14 papers) 1045:(14 papers) 1039:(15 papers) 1033:(15 papers) 1027:(18 papers) 1021:(18 papers) 1015:(19 papers) 1009:(19 papers) 1003:(20 papers) 997:(21 papers) 991:(21 papers) 985:(23 papers) 979:(23 papers) 973:(27 papers) 971:Stefan Burr 967:(28 papers) 961:(29 papers) 955:(30 papers) 949:(32 papers) 943:(35 papers) 937:(35 papers) 931:(42 papers) 867:reciprocals 819:Terence Tao 799:Erdős space 733:probability 672:and the UK 652:Warsaw Pact 617:McCarthyism 436:Lipót Fejér 340:lifestyle; 290:conjectures 232:Lipót Fejér 110:Nationality 4615:Paul Erdős 4609:Categories 4574:Paul Erdős 4546:Statute 12 4448:Paul Nurse 4396:Derek Hull 4386:Brian Heap 4366:Mark Child 4253:Adi Shamir 4089:Mikio Sato 4069:Raoul Bott 3951:Kiyosi Itô 3925:Paul Erdős 3915:Mark Krein 3874:André Weil 3870:Jean Leray 3781:Paul Erdős 3495:29 October 3129:2 December 3077:(7): 791. 3014:2 December 2827:1 February 2805:6 February 2546:: 179–192. 2477:2 December 2345:1 February 2324:, p.  2079:TheArticle 2027:, p.  2010:2 December 2000:agt.bme.hu 1982:, p.  1980:Bruno 2003 1964:, p.  1962:Bruno 2003 1919:, p.  1917:Bruno 2003 1787:, p.  1574:2 December 1490:References 1351:, Budapest 1208:Benzedrine 1200:Ron Graham 1151:Hank Aaron 1079:Pál Révész 989:János Pach 965:Ron Graham 840:prime gaps 737:set theory 721:Wolf Prize 594:Notre Dame 562:Manchester 452:Manchester 405:set theory 318:set theory 273:Paul Erdős 143:Wolf Prize 75:1913-03-26 51:Paul Erdős 18:Paul Erdos 4249:Noga Alon 4115:(2006/07) 4095:(2002/03) 4093:John Tate 4044:(1996/97) 4034:(1995/96) 4024:(1994/95) 3955:Peter Lax 3937:(1984/85) 3935:Hans Lewy 3927:(1983/84) 3577:(2003) . 3247:Hill, J. 2989:6 October 2936:6 October 2891:120046886 2861:CiteSeerX 2794:Radio Lab 2231:123517792 2223:0080-4606 1534:6 October 1508:13 August 1400:Astronomy 1314:Signature 1288:Uncle Sam 1227:passports 1049:Fan Chung 953:Pál Turán 768:Chebyshev 654:with the 637:Fan Chung 613:Red Scare 582:Pál Turán 468:Stan Ulam 338:eccentric 281:Erdős Pál 277:Hungarian 145:(1983/84) 132:Namesakes 113:Hungarian 38:Erdős Pál 4517:Pat Wall 4320:elected 3708:(2014). 3673:(1998). 3601:41497065 3305:13 April 2966:"Erdos2" 2772:Archived 2732:23 April 2709:34952867 2701:11935003 2628:Archived 2496:Archived 2307:Archived 2047:(1996). 1846:17 March 1696:(1999). 1416:See also 1410:asteroid 1301:bud̩d̩hā 1256:calculus 1252:epsilons 1235:The Book 1223:The Book 941:Vera Sós 874:diverges 829:in 2007. 784:topology 774:for the 713:theorems 606:Syracuse 602:Stanford 570:Mark Kac 365:Budapest 345:magazine 104:, Poland 83:Budapest 4562:Foreign 4329:Fellows 4322:in 1989 4316:of the 4314:Fellows 3783:at the 3568:Sources 3552:(1): 29 3472:YouTube 3233:17 July 3091:2317868 3009:ams.org 2914:1744115 2883:1709679 2681:Science 2634:16 July 2303:archive 1840:YouTube 1767:11 June 1362:Hoffman 1204:Ritalin 1183:donated 1157:) 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Index

Paul Erdos
personal name
Western name order
Erdős looking toward the camera
Budapest
Warsaw
Royal Hungarian Pázmány Péter University
Namesakes
Wolf Prize
AMS Cole Prize
Pure mathematics
Victoria University of Manchester
Princeton University
Purdue University
University of Pennsylvania
University of Notre Dame
Stanford University
Syracuse University
Hebrew University of Jerusalem
Technion – Israel Institute of Technology
Doctoral advisor
Lipót Fejér
Joseph Kruskal
George B. Purdy
Alexander Soifer
Béla Bollobás
Hungarian
[ˈɛrdøːʃˈpaːl]
conjectures
discrete mathematics

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