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Polyhedral complex

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843: 626: 864: 832: 901: 874: 854: 204: 286: 147: 123: 87: 258: 231: 904: 538: 892: 887: 438: 428: 882: 159: 784: 792: 863: 591: 877: 51: 812: 807: 733: 610: 598: 571: 531: 654: 581: 842: 802: 754: 728: 576: 323: 47: 267: 128: 104: 68: 853: 649: 378: 363: 264:
Note that the empty set is a face of every polyhedron, and so the intersection of two polyhedra in
925: 847: 797: 708: 586: 566: 307: 236: 209: 39: 817: 835: 701: 659: 524: 434: 374: 297: 43: 615: 561: 500: 467: 317: 153: 674: 669: 411: 367: 98: 764: 696: 424: 359: 505: 488: 472: 455: 919: 774: 684: 664: 489:"Standard bases and geometric invariant theory I. Initial ideals and state polytopes" 867: 759: 679: 625: 35: 857: 769: 32: 20: 713: 644: 603: 348: 90: 28: 738: 723: 691: 640: 547: 352: 311: 38:
that fit together in a specific way. Polyhedral complexes generalize
410:, Graduate Texts in Mathematics, vol. 152, Berlin, New York: 340: 520: 273: 191: 134: 110: 74: 516: 42:
and arise in various areas of polyhedral geometry, such as
199:{\displaystyle \sigma _{1},\sigma _{2}\in {\mathcal {K}}} 310:
are polyhedral complexes in which every polyhedron is a
339:
is a polyhedral complex in which every polyhedron is a
270: 239: 212: 162: 131: 107: 71: 783: 747: 633: 554: 280: 252: 225: 198: 141: 117: 81: 373:A tropical variety obtained by tropicalizing an 300:are polyhedral complexes satisfying a certain 532: 8: 343:from the origin. Examples of fans include: 900: 873: 539: 525: 517: 504: 471: 272: 271: 269: 244: 238: 217: 211: 190: 189: 180: 167: 161: 133: 132: 130: 109: 108: 106: 93:that satisfies the following conditions: 73: 72: 70: 398: 454:Mora, Teo; Robbiano, Lorenzo (1988). 7: 487:Bayer, David; Morrison, Ian (1988). 14: 430:Introduction to Tropical Geometry 899: 872: 862: 852: 841: 831: 830: 624: 493:Journal of Symbolic Computation 460:Journal of Symbolic Computation 281:{\displaystyle {\mathcal {K}}} 142:{\displaystyle {\mathcal {K}}} 118:{\displaystyle {\mathcal {K}}} 82:{\displaystyle {\mathcal {K}}} 1: 506:10.1016/S0747-7171(88)80043-9 473:10.1016/S0747-7171(88)80042-7 456:"The Gröbner fan of an ideal" 433:. American Mathematical Soc. 427:; Sturmfels, Bernd (2015). 406:Ziegler, GĂĽnter M. (1995), 253:{\displaystyle \sigma _{2}} 226:{\displaystyle \sigma _{1}} 942: 793:Banach fixed-point theorem 826: 622: 381:with trivial valuation. 52:hyperplane arrangements 848:Mathematics portal 748:Metrics and properties 734:Second-countable space 388:of a tropical variety. 282: 254: 227: 200: 143: 119: 83: 408:Lectures on Polytopes 283: 255: 228: 201: 156:of any two polyhedra 144: 120: 101:of a polyhedron from 84: 803:Invariance of domain 755:Euler characteristic 729:Bundle (mathematics) 308:Simplicial complexes 268: 237: 210: 160: 129: 105: 69: 40:simplicial complexes 813:Tychonoff's theorem 808:PoincarĂ© conjecture 562:General (point-set) 302:balancing condition 798:De Rham cohomology 719:Polyhedral complex 709:Simplicial complex 298:Tropical varieties 278: 250: 223: 206:is a face of both 196: 139: 115: 79: 64:polyhedral complex 25:polyhedral complex 913: 912: 702:fundamental group 375:algebraic variety 44:tropical geometry 933: 903: 902: 876: 875: 866: 856: 846: 845: 834: 833: 628: 541: 534: 527: 518: 511: 510: 508: 499:(2–3): 209–217. 484: 478: 477: 475: 466:(2–3): 183–208. 451: 445: 444: 421: 415: 414: 403: 318:Voronoi diagrams 287: 285: 284: 279: 277: 276: 259: 257: 256: 251: 249: 248: 232: 230: 229: 224: 222: 221: 205: 203: 202: 197: 195: 194: 185: 184: 172: 171: 148: 146: 145: 140: 138: 137: 124: 122: 121: 116: 114: 113: 88: 86: 85: 80: 78: 77: 941: 940: 936: 935: 934: 932: 931: 930: 916: 915: 914: 909: 840: 822: 818:Urysohn's lemma 779: 743: 629: 620: 592:low-dimensional 550: 545: 515: 514: 486: 485: 481: 453: 452: 448: 441: 425:Maclagan, Diane 423: 422: 418: 412:Springer-Verlag 405: 404: 400: 395: 368:polynomial ring 333: 294: 266: 265: 240: 235: 234: 213: 208: 207: 176: 163: 158: 157: 127: 126: 103: 102: 67: 66: 60: 17: 12: 11: 5: 939: 937: 929: 928: 918: 917: 911: 910: 908: 907: 897: 896: 895: 890: 885: 870: 860: 850: 838: 827: 824: 823: 821: 820: 815: 810: 805: 800: 795: 789: 787: 781: 780: 778: 777: 772: 767: 765:Winding number 762: 757: 751: 749: 745: 744: 742: 741: 736: 731: 726: 721: 716: 711: 706: 705: 704: 699: 697:homotopy group 689: 688: 687: 682: 677: 672: 667: 657: 652: 647: 637: 635: 631: 630: 623: 621: 619: 618: 613: 608: 607: 606: 596: 595: 594: 584: 579: 574: 569: 564: 558: 556: 552: 551: 546: 544: 543: 536: 529: 521: 513: 512: 479: 446: 439: 416: 397: 396: 394: 391: 390: 389: 382: 371: 356: 332: 329: 328: 327: 321: 315: 305: 293: 290: 288:may be empty. 275: 262: 261: 247: 243: 220: 216: 193: 188: 183: 179: 175: 170: 166: 150: 136: 112: 76: 59: 56: 15: 13: 10: 9: 6: 4: 3: 2: 938: 927: 924: 923: 921: 906: 898: 894: 891: 889: 886: 884: 881: 880: 879: 871: 869: 865: 861: 859: 855: 851: 849: 844: 839: 837: 829: 828: 825: 819: 816: 814: 811: 809: 806: 804: 801: 799: 796: 794: 791: 790: 788: 786: 782: 776: 775:Orientability 773: 771: 768: 766: 763: 761: 758: 756: 753: 752: 750: 746: 740: 737: 735: 732: 730: 727: 725: 722: 720: 717: 715: 712: 710: 707: 703: 700: 698: 695: 694: 693: 690: 686: 683: 681: 678: 676: 673: 671: 668: 666: 663: 662: 661: 658: 656: 653: 651: 648: 646: 642: 639: 638: 636: 632: 627: 617: 614: 612: 611:Set-theoretic 609: 605: 602: 601: 600: 597: 593: 590: 589: 588: 585: 583: 580: 578: 575: 573: 572:Combinatorial 570: 568: 565: 563: 560: 559: 557: 553: 549: 542: 537: 535: 530: 528: 523: 522: 519: 507: 502: 498: 494: 490: 483: 480: 474: 469: 465: 461: 457: 450: 447: 442: 440:9780821851982 436: 432: 431: 426: 420: 417: 413: 409: 402: 399: 392: 387: 386:recession fan 383: 380: 376: 372: 369: 365: 361: 357: 354: 350: 346: 345: 344: 342: 338: 330: 325: 322: 319: 316: 313: 309: 306: 303: 299: 296: 295: 291: 289: 245: 241: 218: 214: 186: 181: 177: 173: 168: 164: 155: 151: 100: 96: 95: 94: 92: 65: 57: 55: 53: 49: 45: 41: 37: 34: 30: 26: 22: 905:Publications 770:Chern number 760:Betti number 718: 643: / 634:Key concepts 582:Differential 496: 492: 482: 463: 459: 449: 429: 419: 407: 401: 385: 379:valued field 336: 334: 301: 263: 154:intersection 89:is a set of 63: 61: 36:vector space 27:is a set of 24: 18: 16:Math concept 868:Wikiversity 785:Key results 360:Gröbner fan 125:is also in 21:mathematics 714:CW complex 655:Continuity 645:Closed set 604:cohomology 393:References 349:normal fan 58:Definition 926:Polyhedra 893:geometric 888:algebraic 739:Cobordism 675:Hausdorff 670:connected 587:Geometric 577:Continuum 567:Algebraic 242:σ 215:σ 187:∈ 178:σ 165:σ 97:1. Every 91:polyhedra 29:polyhedra 920:Category 858:Wikibook 836:Category 724:Manifold 692:Homotopy 650:Interior 641:Open set 599:Homology 548:Topology 353:polytope 292:Examples 883:general 685:uniform 665:compact 616:Digital 377:over a 324:Splines 312:simplex 152:2. The 48:splines 878:Topics 680:metric 555:Fields 437:  362:of an 660:Space 366:of a 364:ideal 351:of a 31:in a 435:ISBN 384:The 358:The 347:The 341:cone 331:Fans 233:and 99:face 50:and 33:real 23:, a 501:doi 468:doi 337:fan 19:In 922:: 495:. 491:. 462:. 458:. 335:A 62:A 54:. 46:, 540:e 533:t 526:v 509:. 503:: 497:6 476:. 470:: 464:6 443:. 370:. 355:. 326:. 320:. 314:. 304:. 274:K 260:. 246:2 219:1 192:K 182:2 174:, 169:1 149:. 135:K 111:K 75:K

Index

mathematics
polyhedra
real
vector space
simplicial complexes
tropical geometry
splines
hyperplane arrangements
polyhedra
face
intersection
Tropical varieties
Simplicial complexes
simplex
Voronoi diagrams
Splines
cone
normal fan
polytope
Gröbner fan
ideal
polynomial ring
algebraic variety
valued field
Springer-Verlag
Maclagan, Diane
Introduction to Tropical Geometry
ISBN
9780821851982
"The Gröbner fan of an ideal"

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