Knowledge (XXG)

Monoid (category theory)

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153: 696: 690: 165: 810: 805: 781: 757: 297: 292: 800: 320: 450: 228: 417: 365: 346: 525: 467: 145: 90: 514: 198:
are respectively the associativity, the left identity and the right identity of the monoidal category
479: 409: 387: 171: 369: 316: 305: 777: 753: 280: 175: 75: 376: 331: 301: 276: 271: 35: 312: 152: 794: 442: 214: 695: 689: 17: 498: 431: 427: 327: 39: 164: 550: 487: 335:(with the monoidal structure induced by the Cartesian product) is a unital 336: 97: 502: 357: 501:
has a monoidal structure induced by the composition and the identity
284: 28: 528:, every object becomes a comonoid object via the diagonal morphism 726: 772:
Kilp, Mati; Knauer, Ulrich; Mikhalov, Alexander V. (2000).
474:(again, with the tensor product), is a unital associative 752:(4th corr. print. ed.). New York: Springer-Verlag. 311:
A monoid object in the category of monoids (with the
549:. Dually in a category with an initial object and 8: 524:For any category with a terminal object and 300:(with the monoidal structure induced by the 279:(with the monoidal structure induced by the 553:every object becomes a monoid object via 750:Categories for the working mathematician 729:, the category of monoids acting on sets 739: 685:In other words, the following diagrams 708:and their monoid morphisms is written 7: 326:A monoid object in the category of 223:Suppose that the monoidal category 174:. In the above notation, 1 is the 25: 27:For the algebraic structure, see 694: 688: 163: 151: 319:. This follows easily from the 298:category of topological spaces 1: 811:Categories in category theory 482:, and a comonoid object is a 774:Monoids, Acts and Categories 748:Mac Lane, Saunders (1988). 704:The category of monoids in 513:. A monoid object in is a 451:differential graded algebra 443:category of chain complexes 827: 366:category of abelian groups 328:complete join-semilattices 26: 806:Objects (category theory) 186:is the unit element and 621:in a monoidal category 497:, the category of its 321:Eckmannā€“Hilton argument 209:in a monoidal category 159:and the unitor diagram 144:such that the pentagon 315:of monoids) is just a 776:. Walter de Gruyter. 585:Categories of monoids 382:, a monoid object in 801:Monoidal categories 642:morphism of monoids 458:A monoid object in 410:category of modules 342:A monoid object in 290:A monoid object in 287:in the usual sense. 269:A monoid object in 213:is a monoid in the 18:Category of monoids 589:Given two monoids 317:commutative monoid 306:topological monoid 96:together with two 746:Section VII.3 in 551:finite coproducts 493:For any category 281:Cartesian product 176:identity morphism 76:monoidal category 16:(Redirected from 818: 787: 764: 763: 744: 698: 692: 639: 620: 604: 579: 548: 426:the category of 407: 377:commutative ring 363: 302:product topology 277:category of sets 259: 167: 155: 88: 73: 21: 826: 825: 821: 820: 819: 817: 816: 815: 791: 790: 784: 771: 768: 767: 760: 747: 745: 741: 736: 723: 716: 626: 606: 590: 587: 566: 560: 554: 535: 529: 526:finite products 512: 401: 385: 355: 343: 266: 247: 78: 59: 52:internal monoid 36:category theory 32: 23: 22: 15: 12: 11: 5: 824: 822: 814: 813: 808: 803: 793: 792: 789: 788: 782: 766: 765: 758: 738: 737: 735: 732: 731: 730: 722: 719: 712: 683: 682: 668: 586: 583: 582: 581: 562: 556: 531: 522: 508: 491: 472:-vector spaces 456: 455: 454: 449:-modules is a 439: 428:graded modules 424: 397: 373: 351: 340: 324: 313:direct product 309: 288: 265: 262: 169: 168: 157: 156: 142: 141: 123: 120:multiplication 38:, a branch of 24: 14: 13: 10: 9: 6: 4: 3: 2: 823: 812: 809: 807: 804: 802: 799: 798: 796: 785: 783:3-11-015248-7 779: 775: 770: 769: 761: 759:0-387-90035-7 755: 751: 743: 740: 733: 728: 725: 724: 720: 718: 715: 711: 707: 702: 699: 697: 691: 686: 680: 676: 672: 669: 666: 662: 658: 654: 650: 647: 646: 645: 643: 637: 633: 629: 625:, a morphism 624: 618: 614: 610: 602: 598: 594: 584: 578: 574: 570: 565: 559: 552: 547: 543: 539: 534: 527: 523: 520: 516: 511: 507: 504: 500: 496: 492: 489: 485: 481: 477: 473: 471: 465: 461: 457: 452: 448: 444: 440: 437: 435: 429: 425: 422: 420: 415: 411: 405: 400: 395: 394: 390: 384: 383: 381: 378: 374: 371: 367: 361: 360: 354: 349: 348: 341: 338: 334: 333: 329: 325: 322: 318: 314: 310: 307: 303: 299: 295: 294: 289: 286: 282: 278: 274: 273: 268: 267: 263: 261: 258: 254: 250: 245: 241: 237: 233: 230: 226: 221: 219: 216: 215:dual category 212: 208: 203: 201: 197: 193: 189: 185: 181: 177: 173: 166: 162: 161: 160: 154: 150: 149: 148: 147: 139: 135: 131: 127: 124: 121: 117: 113: 109: 105: 102: 101: 100: 99: 95: 92: 86: 82: 77: 71: 67: 63: 57: 53: 49: 48:monoid object 45: 41: 37: 30: 19: 773: 749: 742: 713: 709: 705: 703: 700: 687: 684: 678: 674: 670: 664: 660: 656: 652: 648: 641: 635: 631: 627: 622: 616: 612: 608: 600: 596: 592: 588: 576: 572: 568: 563: 557: 545: 541: 537: 532: 518: 509: 505: 499:endofunctors 494: 483: 475: 469: 468:category of 463: 459: 446: 433: 418: 413: 403: 398: 392: 388: 379: 358: 352: 345: 330: 291: 270: 256: 252: 248: 243: 239: 235: 231: 224: 222: 217: 210: 206: 204: 199: 195: 191: 187: 183: 179: 170: 158: 143: 137: 133: 129: 125: 119: 115: 111: 107: 103: 93: 84: 80: 69: 65: 61: 55: 51: 47: 43: 33: 244:commutative 234:. A monoid 40:mathematics 795:Categories 734:References 561:⊔ id 205:Dually, a 701:commute. 488:coalgebra 98:morphisms 721:See also 630: : 571:⊔ 567: : 536: : 436:-algebra 421:-algebra 337:quantale 304:), is a 283:), is a 264:Examples 229:symmetry 207:comonoid 503:functor 480:algebra 432:graded 416:, is a 368:, is a 172:commute 146:diagram 136:called 118:called 56:algebra 780:  756:  466:, the 408:, the 375:For a 364:, the 296:, the 285:monoid 275:, the 227:has a 91:object 89:is an 44:monoid 29:Monoid 727:Act-S 659:ā€² āˆ˜ ( 644:when 640:is a 515:monad 430:is a 412:over 246:when 83:, āŠ—, 74:in a 54:, or 50:, or 778:ISBN 754:ISBN 605:and 464:Vect 441:the 370:ring 194:and 138:unit 46:(or 42:, a 710:Mon 615:ā€², 611:ā€², 517:on 445:of 396:,ā€‰āŠ— 393:Mod 350:,ā€‰āŠ— 332:Sup 293:Top 272:Set 242:is 238:in 178:of 34:In 797:: 717:. 693:, 681:ā€². 677:= 673:āˆ˜ 667:), 663:āŠ— 655:= 651:āˆ˜ 634:ā†’ 619:ā€²) 599:, 595:, 575:ā†’ 555:id 544:Ɨ 540:ā†’ 402:, 356:, 347:Ab 260:. 255:= 251:āˆ˜ 220:. 202:. 190:, 182:, 132:ā†’ 128:: 114:ā†’ 110:āŠ— 106:: 68:, 64:, 58:) 786:. 762:. 714:C 706:C 679:Ī· 675:Ī· 671:f 665:f 661:f 657:Ī¼ 653:Ī¼ 649:f 638:ā€² 636:M 632:M 628:f 623:C 617:Ī· 613:Ī¼ 609:M 607:( 603:) 601:Ī· 597:Ī¼ 593:M 591:( 580:. 577:X 573:X 569:X 564:X 558:X 546:X 542:X 538:X 533:X 530:Ī” 521:. 519:C 510:C 506:I 495:C 490:. 486:- 484:K 478:- 476:K 470:K 462:- 460:K 453:. 447:R 438:. 434:R 423:. 419:R 414:R 406:) 404:R 399:R 391:- 389:R 386:( 380:R 372:. 362:) 359:Z 353:Z 344:( 339:. 323:. 308:. 257:Ī¼ 253:Ī³ 249:Ī¼ 240:C 236:M 232:Ī³ 225:C 218:C 211:C 200:C 196:Ļ 192:Ī» 188:Ī± 184:I 180:M 140:, 134:M 130:I 126:Ī· 122:, 116:M 112:M 108:M 104:Ī¼ 94:M 87:) 85:I 81:C 79:( 72:) 70:Ī· 66:Ī¼ 62:M 60:( 31:. 20:)

Index

Category of monoids
Monoid
category theory
mathematics
monoidal category
object
morphisms
diagram


commute
identity morphism
dual category
symmetry
Set
category of sets
Cartesian product
monoid
Top
category of topological spaces
product topology
topological monoid
direct product
commutative monoid
Eckmannā€“Hilton argument
complete join-semilattices
Sup
quantale
Ab
Z

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