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Ajima Naonobu

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into Japanese mathematics. The significance of this innovation is diminished by a likelihood that he had access to European writings on the subject. Ajima also posed the question of inscribing three mutually tangent circles in a triangle; these circles are now known as
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Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
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encompasses roughly 20+ works in 30+ publications in two languages and 40+ library holdings.
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Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures.
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Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures,
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and may never be able to satisfy particular standards for completeness. You can help by
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In a statistical overview derived from writings by and about Ajima Naonobu,
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derived from them, the Ajima–Malfatti points, are named after Ajima.
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Mathematics in Society and History: Sociological Inquiries.
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Mathematics in Society and History: Sociological Inquiries,
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Ajima was an astronomer at the Shogun's Observatory (
168:(IAU) honored Ajima by identifying a crater on the 64: 54: 44: 36: 28: 21: 311:Introduction of Eclipses of the Sun and the Moon 676: 670: 249: 231: 98: 269:Introduction of the 'Works and Days Calendar' 8: 461:Sacred mathematics: Japanese temple geometry 323:Methods of Three Diagonals and Three Circles 696:Vol. 1. New York: Charles Scribner's Sons. 689:Oya, Shin'ichi. (1970). "Ajima Naonobu" in 458:Fukagawa, Hidetoshi; Rothman, Tony (2008), 382: 380: 187:, to the northwest of the prominent crater 18: 537: 535: 533: 531: 712:Dordrecht: Kluwer Academic Publishers. 376: 281:Ajima's Studies for Western Calendars 7: 800:18th-century Japanese mathematicians 580:"Naonobu lunar crater (in Japanese)" 132:Ajima is credited with introducing 805:Japanese writers of the Edo period 767:A History of Japanese Mathematics. 692:Dictionary of Scientific Biography 392:A History of Japanese Mathematics, 16:Japanese mathematician (1732–1798) 14: 565:United States Geological Survey: 770:Chicago: Open Court Publishing. 516:Encyclopedia of Triangle Centers 166:International Astronomical Union 666:History of mathematics in Japan 464:, Princeton University Press, 1: 335:Periods of Decimal Fractions 293:Methods of Professor Ajima's 677: 329: 317: 305: 297: 288:Ajima sensei bimmo do jutsu 287: 275: 263: 826: 209: 77: 68:Credited with introducing 671: 250: 232: 99: 72:into Japanese mathematics 706:Restivo, Sal P. (1992). 541:Jochi, Shigeru. (1997). 434:Restivo, Sal P. (1992). 141:after the later work of 664:Endō Toshisada (1896). 494:"Ajima-Malfatti Points" 259:, algorithms considered 183:located on the eastern 143:Gian Francesco Malfatti 386:Smith, David. (1914). 103:, 1732 – May 20, 1798) 276:Anshi seiyo-reki koso 525:, X(179) and X(180). 366:Japanese mathematics 306:Koshoku mokyu zokkai 227:Ajima Naonobu zenshū 216:adding missing items 107:Ajima Manzō Chokuyen 604:WorldCat Identities 318:Sansha San'en Jutsu 810:Japanese Buddhists 758:David Eugene Smith 678:Dai Nihon sūgakush 609:2010-12-30 at the 521:2012-04-19 at the 491:Weisstein, Eric W. 749:978-0-7923-4066-9 718:978-0-7923-1765-4 544:"Ajima Naonobu," 475:978-0-691-12745-3 241:, collected works 185:Mare Fecunditatis 154:Bakufu Temmongaki 124:was (祖眞院智算量空居士). 109:, was a Japanese 76: 75: 817: 683:. Tōkyō: _____. 682: 680: 674: 673: 653: 641: 635: 623: 617: 601: 595: 594: 592: 591: 582:. Archived from 576: 570: 563: 557: 539: 526: 512: 506: 504: 503: 486: 480: 478: 455: 449: 432: 426: 425: 423: 422: 407: 401: 384: 332: 320: 308: 300: 290: 278: 266: 255: 253: 252: 237: 235: 234: 220:reliable sources 147:triangle centers 139:Malfatti circles 105:, also known as 104: 102: 101: 19: 825: 824: 820: 819: 818: 816: 815: 814: 780: 779: 668: 661: 656: 642: 638: 624: 620: 611:Wayback Machine 602: 598: 589: 587: 578: 577: 573: 564: 560: 540: 529: 523:Wayback Machine 514:C. Kimberling, 513: 509: 489: 488: 487: 483: 476: 457: 456: 452: 433: 429: 420: 418: 409: 408: 404: 385: 378: 374: 344: 247: 229: 223: 197: 172:with his name. 162: 130: 96: 91: 24: 17: 12: 11: 5: 823: 821: 813: 812: 807: 802: 797: 792: 782: 781: 778: 777: 755: 753:OCLC 186451909 727:Selin, Helaine 724: 704: 687: 685:OCLC 122770600 660: 657: 655: 654: 636: 618: 615:安島直円 1739-1798 596: 571: 558: 527: 507: 481: 474: 450: 427: 402: 375: 373: 370: 369: 368: 363: 354: 352:shinto shrines 343: 340: 339: 338: 326: 314: 302: 284: 272: 264:Jujireki bimmo 260: 257:OCLC 057185881 242: 239:OCLC 017232052 196: 195:Selected works 193: 161: 158: 129: 126: 74: 73: 66: 65:Known for 62: 61: 56: 52: 51: 46: 42: 41: 38: 34: 33: 30: 26: 25: 22: 15: 13: 10: 9: 6: 4: 3: 2: 822: 811: 808: 806: 803: 801: 798: 796: 793: 791: 788: 787: 785: 776: 773: 769: 768: 763: 762:Yoshio Mikami 759: 756: 754: 750: 746: 742: 738: 734: 733: 728: 725: 723: 722:OCLC 25709270 719: 715: 711: 710: 705: 703: 702:0-684-10114-9 699: 695: 693: 688: 686: 679: 667: 663: 662: 658: 652: 648: 647: 640: 637: 634: 630: 629: 622: 619: 616: 612: 608: 605: 600: 597: 586:on 2007-12-21 585: 581: 575: 572: 568: 562: 559: 556: 552: 551: 546: 545: 538: 536: 534: 532: 528: 524: 520: 517: 511: 508: 501: 500: 495: 492: 485: 482: 477: 471: 467: 463: 462: 454: 451: 448: 444: 443: 438: 437: 431: 428: 417:(in Japanese) 416: 412: 406: 403: 400: 397:, p. 195, at 396: 395: 390: 389: 383: 381: 377: 371: 367: 364: 362: 359:, a Japanese 358: 355: 353: 349: 346: 345: 341: 336: 331: 327: 324: 319: 315: 312: 307: 303: 299: 294: 289: 285: 282: 277: 273: 270: 265: 261: 258: 246: 243: 240: 228: 225: 224: 221: 217: 213: 208: 206: 202: 194: 192: 190: 186: 182: 181:impact crater 179: 175: 171: 167: 164:In 1976, the 159: 157: 155: 150: 148: 144: 140: 135: 127: 125: 123: 118: 116: 112: 111:mathematician 108: 95: 94:Ajima Naonobu 89: 85: 81: 80:Japanese name 71: 67: 63: 60: 59:mathematician 57: 53: 50: 47: 43: 39: 35: 31: 27: 23:Ajima Naonobu 20: 772:OCLC 1515528 766: 731: 708: 690: 665: 651:Google Books 649:, p. 39, at 644: 639: 633:Google Books 631:, p. 38, at 626: 621: 599: 588:. Retrieved 584:the original 574: 561: 555:Google Books 553:, p. 38, at 549: 542: 510: 497: 484: 460: 453: 447:Google Books 445:, p. 58, at 441: 435: 430: 419:. Retrieved 414: 405: 399:Google Books 394:pp. 195-205. 393: 387: 334: 322: 310: 292: 280: 268: 244: 226: 212:dynamic list 198: 163: 153: 151: 131: 119: 106: 93: 92: 87: 40:May 20, 1798 795:1798 deaths 790:1732 births 735:Dordrecht: 330:Fujin Isshũ 176:is a small 122:Dharma name 45:Nationality 784:Categories 764:. (1914). 729:. (1997). 659:References 628:pp. 38-39. 590:2004-07-19 421:2019-10-18 245:Sanpō kosō 210:This is a 145:, but two 115:Edo period 55:Occupation 499:MathWorld 189:Langrenus 741:Springer 607:Archived 519:Archived 442:p. 58. 342:See also 205:WorldCat 134:calculus 78:In this 70:calculus 49:Japanese 643:Jochi, 625:Jochi, 567:Naonobu 357:Soroban 348:Sangaku 174:Naonobu 113:of the 84:surname 747:  737:Kluwer 716:  700:  672:日本數學史史 646:p. 39. 550:p. 38. 472:  361:abacus 233:安島直円全集 160:Legacy 82:, the 466:p. 79 411:"名墓録" 372:Notes 298:bimmo 218:with 178:lunar 100:安島 直円 88:Ajima 760:and 745:ISBN 714:ISBN 698:ISBN 470:ISBN 415:矢島俯仰 251:算法考艸 201:OCLC 170:Moon 128:Work 120:His 37:Died 32:1732 29:Born 156:). 86:is 786:: 751:; 743:. 720:; 675:, 613:: 530:^ 496:. 468:, 413:. 379:^ 301:') 191:. 117:. 739:/ 694:, 681:) 669:( 593:. 505:. 502:. 479:. 424:. 337:) 333:( 325:) 321:( 313:) 309:( 295:' 291:( 283:) 279:( 271:) 267:( 254:) 248:( 236:) 230:( 222:. 203:/ 97:( 90:.

Index

Japanese
mathematician
calculus
Japanese name
surname
mathematician
Edo period
Dharma name
calculus
Malfatti circles
Gian Francesco Malfatti
triangle centers
International Astronomical Union
Moon
Naonobu
lunar
impact crater
Mare Fecunditatis
Langrenus
OCLC
WorldCat
dynamic list
adding missing items
reliable sources
OCLC 017232052
OCLC 057185881
Sangaku
shinto shrines
Soroban
abacus

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