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Zvonimir Janko

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203:. It was after 90 years of the discovery of the last Mathieu group that Zvonimir Janko constructed a new sporadic simple group in 1964. In his honour, this group is now called J 492: 467: 147: 472: 482: 452: 487: 275: 477: 208: 231:(Decomposition of some classes of nondegenerate RĂ©dei Groups on Schreier extensions), in which he solved a problem posed by 457: 352: 259: 127: 447: 419: 371: 304: 296:) in 1964, when he was at the Australian National University. This was followed in 1966 by the prediction of 207:. This discovery launched the modern theory of sporadic groups and it was an important milestone in the 319: 196: 462: 135: 240: 283: 271: 188: 131: 48: 227:
where he received Ph.D. in 1960, with advisor Vladimir Devidé. The title of the thesis was
152: 442: 437: 267: 224: 86: 266:. He then moved in 1968 to the United States, where he first was a visiting professor at 232: 8: 391: 251: 123: 229:
Dekompozicija nekih klasa nedegeneriranih Rédeiovih grupa na Schreierova proširenja
142: 236: 330: 323: 308: 297: 290: 164: 431: 342: 315: 200: 415: 192: 347: 184: 113: 96: 179:(26 July 1932 – 12 April 2022) was a Croatian mathematician who was the 247: 66: 255: 282:. In 1972 Janko moved to Germany, where he was a full professor at 263: 220: 44: 180: 279: 195:. The first few sporadic simple groups were discovered by 289:
Janko discovered his first sporadic simple group (called
392:"Zvonimir Janko – outstanding Croatian mathematician" 493:
Academic staff of the Australian National University
429: 329:in 1975; its existence was confirmed in 1980 by 468:Faculty of Science, University of Zagreb alumni 235:. He then taught physics at a high school in 314:, whose existence was established in 1969 by 303:, whose existence was established in 1968 by 274:. In 1970 he was an invited speaker at the 473:Academic staff of the University of Zagreb 258:. In 1964 he joined as full professor the 333:and others using computer calculations. 276:International Congress of Mathematicians 250:for Australia, where he first taught at 483:Academic staff of Heidelberg University 430: 372:Umro Zvonimir Janko, dopisni ÄŤlan HAZU 209:classification of finite simple groups 386: 384: 382: 453:20th-century Croatian mathematicians 488:Academic staff of Monash University 13: 379: 16:Croatian mathematician (1932–2022) 14: 504: 322:. Finally, Janko found the group 270:, and then full professor at the 353:Thin group (finite group theory) 246:In 1962 Janko decided to leave 409: 365: 286:until his retirement in 2000. 260:Australian National University 128:Australian National University 1: 478:Ohio State University faculty 420:Mathematics Genealogy Project 358: 223:, Croatia. He studied at the 199:, which were then called the 214: 7: 336: 10: 509: 170: 160: 141: 119: 109: 102: 92: 82: 74: 55: 30: 23: 136:University of Heidelberg 458:Yugoslav mathematicians 241:Bosnia and Herzegovina 189:sporadic simple groups 307:and David Wales, and 284:Heidelberg University 272:Ohio State University 197:Émile LĂ©onard Mathieu 132:Ohio State University 49:Kingdom of Yugoslavia 448:People from Bjelovar 268:Princeton University 225:University of Zagreb 87:University of Zagreb 396:croatianhistory.net 219:Janko was born in 252:Monash University 174: 173: 161:Doctoral students 124:Monash University 104:Scientific career 500: 422: 413: 407: 406: 404: 402: 388: 377: 376: 369: 156: 143:Doctoral advisor 62: 40: 38: 21: 20: 508: 507: 503: 502: 501: 499: 498: 497: 463:Group theorists 428: 427: 426: 425: 414: 410: 400: 398: 390: 389: 380: 374: 370: 366: 361: 339: 331:Simon P. Norton 327: 312: 301: 294: 217: 206: 150: 148:Vladimir DevidĂ© 134: 130: 126: 83:Alma mater 70: 64: 60: 51: 42: 36: 34: 26: 17: 12: 11: 5: 506: 496: 495: 490: 485: 480: 475: 470: 465: 460: 455: 450: 445: 440: 424: 423: 416:Zvonimir Janko 408: 378: 363: 362: 360: 357: 356: 355: 350: 345: 338: 335: 325: 310: 299: 292: 216: 213: 204: 201:Mathieu groups 177:Zvonimir Janko 172: 171: 168: 167: 165:Kristina Reiss 162: 158: 157: 145: 139: 138: 121: 117: 116: 111: 107: 106: 100: 99: 94: 93:Known for 90: 89: 84: 80: 79: 76: 72: 71: 65: 63:(aged 89) 57: 53: 52: 43: 32: 28: 27: 25:Zvonimir Janko 24: 15: 9: 6: 4: 3: 2: 505: 494: 491: 489: 486: 484: 481: 479: 476: 474: 471: 469: 466: 464: 461: 459: 456: 454: 451: 449: 446: 444: 441: 439: 436: 435: 433: 421: 417: 412: 397: 393: 387: 385: 383: 375:(in Croatian) 373: 368: 364: 354: 351: 349: 346: 344: 343:Iwasawa group 341: 340: 334: 332: 328: 321: 317: 316:Graham Higman 313: 306: 305:Marshall Hall 302: 295: 287: 285: 281: 277: 273: 269: 265: 261: 257: 253: 249: 244: 242: 238: 237:Ĺ iroki Brijeg 234: 230: 226: 222: 212: 210: 202: 198: 194: 190: 186: 182: 178: 169: 166: 163: 159: 154: 149: 146: 144: 140: 137: 133: 129: 125: 122: 118: 115: 112: 108: 105: 101: 98: 95: 91: 88: 85: 81: 77: 73: 68: 59:12 April 2022 58: 54: 50: 46: 33: 29: 22: 19: 411: 399:. Retrieved 395: 367: 288: 245: 233:LászlĂł RĂ©dei 228: 218: 193:group theory 185:Janko groups 176: 175: 120:Institutions 103: 97:Janko groups 61:(2022-04-12) 41:26 July 1932 18: 443:2022 deaths 438:1932 births 348:Lyons group 151: [ 114:Mathematics 75:Nationality 432:Categories 359:References 320:John McKay 248:Yugoslavia 67:Heidelberg 37:1932-07-26 256:Melbourne 215:Biography 69:, Germany 337:See also 264:Canberra 221:Bjelovar 78:Croatian 45:Bjelovar 418:at the 183:of the 401:4 July 181:eponym 110:Fields 155:] 403:2020 318:and 280:Nice 56:Died 31:Born 278:in 262:in 254:in 239:in 191:in 434:: 394:. 381:^ 243:. 211:. 187:, 153:hr 47:, 405:. 326:4 324:J 311:3 309:J 300:2 298:J 293:1 291:J 205:1 39:) 35:(

Index

Bjelovar
Kingdom of Yugoslavia
Heidelberg
University of Zagreb
Janko groups
Mathematics
Monash University
Australian National University
Ohio State University
University of Heidelberg
Doctoral advisor
Vladimir Devidé
hr
Kristina Reiss
eponym
Janko groups
sporadic simple groups
group theory
Émile Léonard Mathieu
Mathieu groups
classification of finite simple groups
Bjelovar
University of Zagreb
László Rédei
Ĺ iroki Brijeg
Bosnia and Herzegovina
Yugoslavia
Monash University
Melbourne
Australian National University

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