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265:, Fejes Tóth's father was a railway worker, who advanced in his career within the railway organization ultimately to earn a doctorate in law. Fejes Tóth's mother taught Hungarian and German literature in a high school. The family moved to Budapest, when Fejes Tóth was five; there he attended elementary school and high school—the Széchenyi István Reálgimnázium—where his interest in mathematics began.
775:
572:
The other section, entitled "Genetics of the
Regular Figures", covers a number of special problems, according to Todd. These problems include "packings and coverings of circles in a plane, and ... with tessellations on a sphere" and also problems "in the hyperbolic plane, and in Euclidean space of
713:
In 2008, a conference was convened in Fejes Tóth's memory in
Budapest from June 30 – July 6; it celebrated the term, "Intuitive Geometry", coined by Fejes Tóth to refer to the kind of geometry, which is accessible to the "man in the street". According to the conference organizers, the term
303:) for 15 years, where he was the primary developer of the "geometric patterns" theory "of the plane, the sphere and the surface space" and where he "had studied non grid-like structures and quasicrystals" which later became an independent discipline, as reported by
757:
administers the László Fejes Tóth Prize (Hungarian: Fejes Tóth László-díj) to recognize "outstanding contributions and development in the field of mathematical sciences". In 2015, the year of Fejes Tóth's centennial birth anniversary, the prize was awarded to
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557:
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three or more dimensions." At the time, Todd opined that those problems were "a subject in which there is still much scope for research, and one which calls for considerable ingenuity in approaching its problems".
377:—and one daughter, a psychologist. He enjoyed sports, being skilled at table tennis, tennis, and gymnastics. A family photograph shows him swinging by his arms over the top of a high bar when he was around fifty.
310:
The editors of a book dedicated to Fejes Tóth described some highlights of his early work; e.g. having shown that the maximum density of a packing of repeated symmetric convex bodies occurs with a
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219:
problem. He was the first to show, in 1953, that proof of the Kepler conjecture can be reduced to a finite case analysis and, later, that the problem might be solved using a computer.
2069:
1652:, Die Grundlehren der Mathematischen Wissenschaften in Einzeldarstellungen mit besonderer Berücksichtigung der Anwendungsgebiete (in German), vol. LXV, Berlin, New York:
1124:, Die Grundlehren der Mathematischen Wissenschaften in Einzeldarstellungen mit besonderer Berücksichtigung der Anwendungsgebiete (in German), vol. LXV, Berlin, New York:
338:. By 1953, Fejes Tóth had written dozens of papers devoted to these types of fundamental issues. His distinguished academic career allowed him to travel abroad beyond the
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401:
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432:, Fejes Tóth divided the topic into two sections. One, entitled "Systematology of the Regular Figures", develops a theory of "regular and Archimedean
272:, now the Eötvös Loránd University. As a freshman, he developed a generalized solution regarding Cauchy exponential series, which he published in the
537:
629:. He emphasized that, at the time of this work, the problem of the upper bound for the density of a packing of equal spheres was still unsolved.
611:, which was translated into Russian and Japanese, won him the Kossuth Prize in 1957 and the Hungarian Academy of Sciences membership in 1962.
369:
Fejes Tóth met his wife in university. She was a chemist. They were parents of three children, two sons—one a professor of mathematics at the
1942:
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406:
632:
The approach that Fejes Tóth suggested in that work, which translates as "packing in a plane, on a sphere and in a space", provided
1957:
1490:, Proceedings of the Edinburgh Mathematical Society, vol. 14, Cambridge, England: Cambridge University Press, pp. 174–175,
98:
Kossuth Prize (1957), State Award (1973), Gauss
Bicentennial Medal (1977), and Gold Medal of the Hungarian Academy of Sciences (2002)
1354:
1250:
269:
117:
330:), a regular polytope always has the largest possible volume. He developed a technique that proved Steiner's conjecture for the
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by circles, to convex sets in a plane and to packings and coverings in higher dimensions, including the first correct proof of
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482:
1980:
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credited Fejes Tóth with several influential proofs in the field of discrete and convex geometry, pertaining to packings and
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2008:
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High School. Between 1946 and 1949 he lectured at Pázmány Péter
University and starting in 1949 became a professor at the
223:
614:
523:
45:
291:). It was here that he became interested in packing problems. In 1944, he returned to Budapest to teach mathematics at
262:
2025:
396:
Researcher, then director (in 1970), Mathematical
Research Institute (Alfréd Rényi Institute of Mathematics) (1965–83)
986:
Fejes Tóth, László (1940). "Sur un théorème concernant l'approximation des courbes par des suites de polygones".
528:
296:
1432:
Bárány, Imre; Böröczky, Károly; et al. (2014). Bárány, I.; Böröczky, K.J.; Fejes Tóth, G.; Pach, J (eds.).
283:
After university, he served as a soldier for two years, but received a medical exemption. In 1941 he joined the
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657:
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199:
12 March 1915 – 17 March 2005) was a
Hungarian mathematician who specialized in geometry. He proved that a
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Diagram of hexagonal close packing (left) and cubic close packing (right), as seen from different angles.
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O’Toole, P. I.; Hudson, T. S. (2011). "New High-Density
Packings of Similarly Sized Binary Spheres".
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in 1998. The Kepler conjecture, named after the 17th-century German mathematician and astronomer
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Fejes Tóth, László (1942). "Das gleichseitige
Dreiecksgitter als Lösung von Extremalaufgaben".
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Hyperbolic tessellations, those discrete groups generated by two operations whose product is
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Theorems on packings and coverings of geometrical objects, including the packing of spheres
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to attend international conferences and teach at various universities, including those at
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276:—1935. He then received his doctorate at Pázmány Péter University, under the direction of
200:
890:
Fejes Tóth, László (1939). "Über die
Approximation konvexer Kurven durch Polygonfolgen".
1873:
Hales, Thomas C.; Ferguson, Samuel P. (2006), "A formulation of the Kepler conjecture",
1171:
Fejes Tóth, László (1986), "Densest packing of translates of the union of two circles",
1044:
Fejes Tóth, László (1942). "Die regulären
Polyeder, als Lösungen von Extremalaufgaben".
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involving the checking of many individual cases, using complex computer calculations.
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1436:. Bolyai Society Mathematical Studies. Vol. 24. Berlin: Springer. pp. 7–8.
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Heppes, Aladár (1 August 2003). "Some Densest Two-Size Disc Packings in the Plane".
911:
Fejes Tóth, László (1939). "Two inequalities concerning trigonometric polynomials".
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was shown to be the densest possible planar packing of discs with this size ratio.
1718:, vol. 49, Leicester, England: The Mathematical Gazette, pp. 343–345,
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In addition to his positions in residence, he was a corresponding member of the
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Tom Kennedy (2006). "Compact packings of the plane with two sizes of discs".
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548:
433:
604:, as having helped to "create the school of Hungarian discrete geometry."
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Spherical arrangements, including an enumeration of the 32 crystal classes
1829:
Hales, Thomas C. (2006), "Historical overview of the Kepler conjecture",
1434:
Geometry - Intuitive, Discrete, and Convex—A Tribute to László Fejes Tóth
806:
Fejes Tóth, László (1938). "Über einige Extremumaufgaben bei Polyedern".
355:
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2042:("The Discrete Charm of Geometric Arrangements"), a memorial article in
2014:
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Kántor-Varga, T. (2010), "Fejes Tóth László", in Horváth, János (ed.),
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Fejes Tóth, László (1942). "Über die Fouriersche Reihe der Abkühlung".
1020:
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Fejes Tóth, László (1939). "Über zwei Maximumaufgaben bei Polyedern".
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Fejes Tóth, László (1938). "Sur les séries exponentielles de Cauchy".
1887:
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Fejes Tóth, László (1971), "Lencsék legsűrűbb elhelyezése a síkban",
645:
1959:
Pannon Egyetem Műszaki Informatikai Kar Szervezeti és Működési Rend
961:
Fejes Tóth, László (1940). "Eine Bemerkung zur Approximation durch
1369:
Fejes Tóth, László (1935). "Des séries exponentielles de Cauchy".
785:
Fejes Tóth, László (1935). "Des séries exponentielles de Cauchy".
773:
580:
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Plane Ornaments, including two-dimensional crystallographic groups
360:
1345:(2010), "Discrete and convex geometry", in Horváth, János (ed.),
1215:
Fejes Tóth, László (1950). "Some packing and covering theorems".
1107:
Fejes Tóth, László (1950). "Some packing and covering theorems".
456:
Polyhedra, including regular solids and convex Archimedean solids
1777:
Hales, Thomas C. (1994), "The status of the Kepler conjecture",
351:
331:
288:
1767:
An elementary exposition of the proof of the Kepler conjecture.
1347:
A Panorama of Hungarian Mathematics in the Twentieth Century, I
1243:
A Panorama of Hungarian Mathematics in the Twentieth Century, I
384:
Assistant instructor, University of Kolozsvár (Cluj) (1941–44)
203:
pattern is the most efficient way to pack centrally symmetric
1962:(in Hungarian), University of Pannonia, 2023, pp. 38–40
1007:
Fejes Tóth, László (1940). "Über einen geometrischen Satz".
1982:
Professor Károly Bezdek awarded the László Fejes Tóth Prize
940:
Fejes Tóth, László (1940). "Über ein extremales Polyeder".
827:
Fejes Tóth, László (1939). "Über das Schmiegungspolyeder".
567:
with three prototiles: a triangle, a square and a hexagon.
1320:
Katona, G. O. H. (2005), "Laszlo Fejes Toth – Obituary",
766:
in a ceremony held on 19 June 2015 in Veszprém, Hungary.
380:
Fejes Tóth held the following positions over his career:
1979:
Centre for Computational and Discrete Geometry (2015),
314:
pattern of packing. He also showed that, of all convex
702:
Gold Medal of the Hungarian Academy of Sciences (2002)
472:
In work dedicated to Fejes Tóth, this compact binary
318:
of given surface area that are equivalent to a given
1461:
Berlin-Brandenburgischen Akademie der Wissenschaften
1402:"Ötvenévesen a nyújtón—Fejes Tóth László emlékezete"
390:
Private Lecturer, Pázmány Péter University (1946–48)
2090:
Members of the German Academy of Sciences at Berlin
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1153:(in German), Budapest: Akadémiai Kiadó, p. 316
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129:
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111:
106:
94:
78:
55:
36:
2015:Hargittai István beszélgetése Fejes Tóth Lászlóval
1681:Lagerungen in der Ebene, auf der Kugel und im Raum
1650:Lagerungen in der Ebene, auf der Kugel und im Raum
1506:
1504:
1122:Lagerungen in der Ebene, auf der Kugel und im Raum
714:encompasses combinatorial geometry, the theory of
623:Lagerungen in der Ebene, auf der Kugel und im Raum
609:Lagerungen in der Ebene, auf der Kugel und im Raum
142:Lagerungen in der Ebene, auf der Kugel und im Raum
1306:Intuitive Geometry, in Memoriam László Fejes Tóth
412:Braunschweigische Wissenschaftlische Gesellschaft
1935:The Kepler Conjecture: The Hales-Ferguson Proof
1933:Hales, Thomas C.; Ferguson, Samuel P. (2011),
1282:(in Hungarian). Hungarian Science. p. 318
710:(1991) and the University of Veszprém (1997).
440:". Todd explains that the treatment includes:
2046:(High School Mathematics and Physics Journal)
1643:
1641:
625:, as the foundation of his second chapter in
274:proceedings of the French Academy of Sciences
8:
2070:Members of the Hungarian Academy of Sciences
1743:Notices of the American Mathematical Society
644:, says that no arrangement of equally sized
207:on the Euclidean plane (a generalization of
1322:Studia Scientiarum Mathematicarum Hungarica
1298:
1296:
1273:
1271:
1269:
1267:
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988:Ann. Scuola Norm. Sup., Pisa, Sci. Fis. Mat
402:Saxonian Academy of Sciences and Humanities
393:Professor, University of Veszprém (1949–64)
2026:Ötvenévesen a nyújtón, F. T. L. emlékezete
1236:
1234:
1232:
1230:
667:Fejes Tóth received the following prizes:
33:
1886:
1842:
1698:
1574:
1427:
1425:
1372:Comptes rendus de l'Académie des sciences
1184:
373:, the other a professor of physiology at
1349:, New York: Springer, pp. 431–441,
1245:, New York: Springer, pp. 573–574,
2040:A geometriai elrendezések diszkrét bája
1478:
1476:
1309:, Alfréd Rényi Institute of Mathematics
1207:
462:
1392:
1390:
1388:
1386:
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1382:
706:He received honorary degrees from the
652:than that of the cubic close packing (
261:As described in a 1999 interview with
2065:21st-century Hungarian mathematicians
2060:20th-century Hungarian mathematicians
1875:Discrete & Computational Geometry
1831:Discrete & Computational Geometry
1515:, Oxford: Pergamon Press, p. 339
1144:, Oxford: Pergamon Press, p. 339
1046:Math.-naturw. Anz. Ungar. Akad. Wiss.
942:Math.-naturw. Anz. Ungar. Akad. Wiss.
371:Alfréd Rényi Institute of Mathematics
228:Alfréd Rényi Institute of Mathematics
194:
120:, as of 1950 Eötvös Loránd University
7:
1634:http://www.software3d.com/Stella.php
1375:(in French) (200). Paris: 1712–1714.
1280:"Interview (with László Fejes Tóth)"
1088:Math.-naturw. Anz. Ungar. Akad. Wiss
648:filling space has a greater average
600:. He credits Fejes Tóth, along with
387:Teacher, Árpád High School (1944–48)
1608:The Journal of Physical Chemistry C
1563:Discrete and Computational Geometry
1528:Discrete and Computational Geometry
1457:"Mitglieder der Vorgängerakademien"
1173:Discrete and Computational Geometry
621:, cites Fejes Tóth's earlier work,
407:Akademie der Wissenschaften der DDR
133:Discrete and combinatorial geometry
16:Hungarian mathematician (1915–2005)
426:, a reviewer of Fejes Tóth's book
230:(1970-1983). He received both the
226:(from 1962) and a director of the
14:
1303:Pach, János; et al. (2008),
529:Regular star—a concave polyhedron
1716:Regular Figures by L. Fejes Toth
556:
536:
516:
496:
481:
465:
211:, a 2-dimensional analog of the
44:
1700:10.1090/S0002-9904-1954-09805-1
1488:Fejes Toth, L., Regular Figures
1780:The Mathematical Intelligencer
1408:(in Hungarian), archived from
1:
2009:Mathematics Genealogy Project
1632:Robert Webb: Stella software
249:, he laid the foundations of
224:Hungarian Academy of Sciences
215:). He also investigated the
196:[ˈfɛjɛʃˈtoːtˈlaːsloː]
1738:"Cannonballs and honeycombs"
524:Small stellated dodecahedron
31:when mentioning individuals.
1714:Edge, W.L. (October 1965),
1648:Fejes Tóth, László (1953),
1511:Fejes Tóth, László (1964),
1149:Fejes Tóth, László (1965),
1140:Fejes Tóth, László (1964),
1120:Fejes Tóth, László (1953),
1090:(in Hungarian and German).
1048:(in Hungarian and German).
944:(in Hungarian and German).
852:(in Hungarian and French).
831:(in Hungarian and German).
810:(in Hungarian and German).
660:arrangements. Hales used a
636:a basis for a proof of the
2106:
1278:Hargittai, István (2005).
778:Fejes Tóth in Vienna, 1987
18:
1897:10.1007/s00454-005-1211-1
1844:10.1007/s00454-005-1210-2
1736:Hales, Thomas C. (2000),
1585:10.1007/s00454-005-1172-4
1540:10.1007/s00454-003-0007-6
1496:10.1017/S0013091500026055
699:Bicentennial Medal (1977)
547:(A 2-dimensional regular
509:Regular convex polyhedron
173:
102:
43:
607:Fejes Tóth's monograph,
270:Pázmány Péter University
118:Pázmány Péter University
27:. This article uses
19:The native form of this
1985:, University of Calgary
925:10.1112/jlms/s1-14.1.44
658:hexagonal close packing
418:Work on regular figures
285:University of Kolozsvár
222:He was a member of the
50:László Fejes Tóth, 1991
1937:, New York: Springer,
973:. Groningen: 474–476.
967:Compositio Mathematica
898:. Groningen: 456–467.
892:Compositio Mathematica
779:
755:University of Pannonia
732:computational geometry
708:University of Salzburg
617:, another reviewer of
586:
577:Honors and recognition
366:
301:University of Pannonia
297:University of Veszprém
187:
1687:Bull. Amer. Math. Soc
777:
764:University of Calgary
748:differential geometry
683:State Prize (now the
584:
364:
257:Early life and career
770:Partial bibliography
268:Fejes Tóth attended
2013:Hungarian Science:
913:J. London Math. Soc
740:geometry of numbers
662:proof by exhaustion
654:face-centered cubic
107:Academic background
1793:10.1007/BF03024356
1186:10.1007/bf02187703
1021:10.1007/bf01181430
780:
587:
490:packing of spheres
367:
348:Madison, Wisconsin
29:Western name order
2005:László Fejes Tóth
1944:978-1-4614-1128-4
1683:by L. Fejes Tóth"
1675:Coxeter, H. S. M.
1620:10.1021/jp206115p
1160:Matematikai Lapok
638:Kepler conjecture
459:Regular polytopes
438:regular polytopes
375:Dartmouth College
251:discrete geometry
213:Kepler conjecture
188:Fejes Tóth László
180:László Fejes Tóth
177:
176:
89:Budapest, Hungary
38:László Fejes Tóth
25:Fejes Tóth László
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2019:Magyar Tudomány,
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787:C. R. Acad. Sci.
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365:Fejes Tóth, 1958
263:István Hargittai
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1513:Regular Figures
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1142:Regular Figures
1139:
1128:, p. 238,
1126:Springer-Verlag
1119:
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1085:
1067:Mat. Fiz. Lapok
1064:
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1006:
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871:Tôhoku Math. J.
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850:Mat. Fiz. Lapok
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829:Mat. Fiz. Lápok
826:
808:Mat. Fiz. Lapok
805:
784:
772:
744:crystallography
736:rigidity theory
685:Széchenyi Prize
642:Johannes Kepler
627:Regular Figures
619:Regular Figures
579:
568:
563:A semi-regular
561:
552:
546:
541:
532:
526:
521:
512:
506:
501:
492:
486:
477:
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429:Regular Figures
420:
259:
191:
146:Regular Figures
90:
87:
83:
74:
73:Szeged, Hungary
71:
65:
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62:
61:
51:
39:
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17:
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2035:April 9, 2005.
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1999:External links
1997:
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1971:
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1534:(2): 241–262.
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1455:Staff (2010).
1447:
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1400:(2005-04-09),
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1217:Acta Sci. Math
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1204:
1201:
1199:
1198:
1179:(4): 307–314,
1168:
1155:
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1137:
1117:
1109:Acta Sci. Math
1104:
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994:(9): 143–145.
983:
958:
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908:
887:
866:
845:
824:
803:
781:
771:
768:
746:and classical
704:
703:
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694:
688:
681:
675:
598:Thue's theorem
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562:
555:
553:
542:
535:
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474:circle packing
471:
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419:
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398:
397:
394:
391:
388:
385:
320:Platonic solid
258:
255:
243:H.S.M. Coxeter
241:Together with
217:sphere packing
209:Thue's theorem
175:
174:
171:
170:
161:
157:
156:
153:
149:
148:
139:
135:
134:
131:
130:Main interests
127:
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91:
88:
86:(aged 90)
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793:: 1712–1714.
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789:(in French).
788:
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760:Károly Bezdek
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678:Kossuth Prize
676:
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422:According to
417:
415:
413:
410:, and of the
409:
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395:
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244:
239:
237:
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232:Kossuth Prize
229:
225:
220:
218:
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210:
206:
202:
197:
189:
185:
181:
172:
169:
168:Károly Bezdek
165:
162:
158:
154:
152:Notable ideas
150:
147:
143:
140:
138:Notable works
136:
132:
128:
125:Academic work
123:
119:
116:
114:
110:
105:
101:
97:
93:
82:17 March 2005
81:
77:
70:12 March 1915
58:
54:
47:
42:
35:
30:
26:
22:
21:personal name
2043:
2038:János Pach:
2031:Népszabadság
2029:
2024:János Pach:
2021:March, 2005.
2018:
1987:, retrieved
1981:
1974:
1964:, retrieved
1958:
1952:
1934:
1928:
1888:math/9811078
1881:(1): 21–69,
1878:
1874:
1868:
1834:
1830:
1824:
1787:(3): 47–58,
1784:
1778:
1772:
1747:
1741:
1731:
1715:
1709:
1690:
1686:
1680:
1669:
1649:
1628:
1611:
1607:
1601:
1576:math/0407145
1566:
1562:
1556:
1531:
1527:
1521:
1512:
1487:
1464:. Retrieved
1460:
1450:
1433:
1414:, retrieved
1410:the original
1406:Népszabadság
1405:
1370:
1364:
1346:
1343:Bárány, Imre
1325:
1321:
1315:
1305:
1284:. Retrieved
1242:
1220:
1216:
1210:
1176:
1172:
1163:
1159:
1150:
1141:
1121:
1112:
1108:
1091:
1087:
1070:
1066:
1049:
1045:
1012:
1008:
991:
987:
970:
966:
965:-Eckringe".
962:
945:
941:
916:
912:
895:
891:
874:
870:
853:
849:
832:
828:
811:
807:
790:
786:
752:
712:
705:
693:Prize (1977)
674:Prize (1943)
666:
634:Thomas Hales
631:
626:
622:
618:
615:William Edge
613:
608:
606:
588:
571:
565:tessellation
504:Dodecahedron
427:
421:
411:
405:
399:
379:
368:
340:Iron Curtain
336:dodecahedron
334:and for the
309:
282:
267:
260:
240:
221:
179:
178:
164:Thomas Hales
145:
141:
84:(2005-03-17)
24:
2085:2005 deaths
2080:1915 births
1837:(1): 5–20,
1398:Pach, János
1094:: 478–495.
1073:: 238–248.
1052:: 471–477.
948:: 476–479.
856:: 115–132.
835:: 141–145.
814:: 191–199.
691:Tibor Szele
590:Imre Bárány
324:tetrahedron
278:Lipót Fejér
236:State Award
234:(1957) and
205:convex sets
60:László Tóth
2054:Categories
1989:2015-07-08
1966:2024-06-17
1484:Todd, J.A.
1466:2018-08-25
1416:2013-12-06
1286:2013-11-16
1203:References
1195:0606.52004
1100:68.0144.03
1079:68.0340.04
1058:68.0341.02
1029:66.0902.03
1000:66.0902.04
979:66.0902.05
954:66.0905.04
933:65.0254.01
904:65.0822.03
883:65.0826.03
862:64.0284.04
841:65.0827.01
820:64.0732.02
799:62.1191.03
672:Klug Lipót
602:Paul Erdős
452:involutary
424:J. A. Todd
328:octahedron
305:János Pach
247:Paul Erdős
192:pronounced
160:Influenced
113:Alma mater
66:1915-03-12
2075:Geometers
1905:0179-5376
1853:0179-5376
1817:123375854
1801:0343-6993
1756:0002-9920
1679:"Review:
1442:1217-4696
1166:: 209–213
1037:121092302
1015:: 83–85.
919:: 44–46.
877:: 79–83.
728:convexity
594:coverings
434:polyhedra
316:polytopes
184:Hungarian
1677:(1954).
1593:11688453
1548:39450175
1486:(1964),
1328:(2): 113
1223:: 62–67.
1115:: 62–67.
1009:Math. Z.
720:covering
687:) (1973)
549:polytope
544:Heptagon
488:A dense
356:Salzburg
344:Freiburg
322:(e.g. a
238:(1973).
2007:at the
1921:6529590
1913:2229658
1861:2229657
1809:1281754
1764:1745624
1724:3612913
1662:0057566
1134:0057566
762:of the
716:packing
650:density
646:spheres
436:and of
312:lattice
201:lattice
1941:
1919:
1911:
1903:
1859:
1851:
1815:
1807:
1799:
1762:
1754:
1722:
1660:
1591:
1546:
1440:
1353:
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1193:
1132:
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998:
977:
952:
931:
902:
881:
860:
839:
818:
797:
738:, the
724:tiling
680:(1957)
656:) and
354:; and
326:or an
95:Awards
2044:KöMaL
1917:S2CID
1883:arXiv
1813:S2CID
1720:JSTOR
1589:S2CID
1571:arXiv
1544:S2CID
1033:S2CID
697:Gauss
299:(now
293:Árpád
1939:ISBN
1901:ISSN
1849:ISSN
1797:ISSN
1752:ISSN
1438:ISSN
1351:ISBN
1247:ISBN
753:The
722:and
352:Ohio
332:cube
289:Cluj
245:and
79:Died
56:Born
1893:doi
1839:doi
1789:doi
1695:doi
1616:doi
1612:115
1581:doi
1536:doi
1492:doi
1221:12A
1191:Zbl
1181:doi
1113:12A
1096:JFM
1075:JFM
1054:JFM
1025:JFM
1017:doi
996:JFM
975:JFM
950:JFM
929:JFM
921:doi
900:JFM
879:JFM
858:JFM
837:JFM
816:JFM
795:JFM
791:200
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