Knowledge (XXG)

Topological graph theory

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with the graph's vertices in a line along the spine of the book. Its edges are drawn on separate pages in such a way that edges residing on the same page do not cross. This problem abstracts layout problems arising in the routing of multilayer printed circuit boards.
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of a graph in time linear to the number of edges. Their algorithm does this by constructing a graph embedding which they term a "palm tree". Efficient planarity testing is fundamental to
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This article is about the study of graph embeddings. For graphs in the plane with crossings, see
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with a single-element set per vertex and a two-element set per edge. The geometric realization |
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glued together at vertices. In this view, embeddings of graphs into a surface or as
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Embedding a graph in a surface means that we want to draw the graph on a surface, a
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of the graph (equivalently, the clique complex of the complement of the
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Other simplicial complexes associated with graphs include the
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of other graphs are both instances of topological embedding,
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where the aim is to print (embed) a circuit (the graph) on a
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intersecting. A basic embedding problem often presented as a
370:"Torsion in the matching complex and chessboard complex" 16:Branch of the mathematical field of graph theory 503:SIAM Journal on Algebraic and Discrete Methods 101:. Other applications can be found in printing 8: 146:| of the complex consists of a copy of the 162:is just the specialization of topological 458: 407: 397: 387: 38:Animation detailing the embedding of the 325: 150:per edge, with the endpoints of these 266:structural results about graphs, via 7: 14: 42:and associated map in the torus 284:Crossing number (graph theory) 1: 432:"Efficient planarity testing" 253:embedding a graph into a book 251:et al studied the problem of 212:). The matching complex of a 174:, and a connected graph is a 117:Graphs as topological spaces 68:spatial embeddings of graphs 137:abstract simplicial complex 552: 120: 18: 409:10.1016/j.aim.2006.10.014 309:Topological combinatorics 172:topological connectedness 89:for example, without two 536:Topological graph theory 340:Topological Graph Theory 214:complete bipartite graph 52:topological graph theory 375:Advances in Mathematics 272:graph structure theorem 160:homeomorphism of graphs 99:three utilities problem 200:of the graph, and the 43: 451:10.1145/321850.321852 239:testing the planarity 37: 135:we may associate an 237:derived a means of 103:electronic circuits 95:mathematical puzzle 60:embedding of graphs 439:Journal of the ACM 366:Wachs, Michelle L. 364:Shareshian, John; 268:graph minor theory 219:chessboard complex 166:, the notion of a 78:. It also studies 76:topological spaces 44: 428:Tarjan, Robert E. 350:978-0-486-41741-7 262:are also used to 204:, with a set per 196:, with a set per 183:fundamental group 58:. It studies the 35: 21:topological graph 543: 520: 519: 499: 491:Rosenberg, A. L. 479: 473: 472: 462: 436: 420: 414: 413: 411: 401: 391: 361: 355: 354: 330: 260:Graph embeddings 202:matching complex 133:undirected graph 123:Graph (topology) 36: 551: 550: 546: 545: 544: 542: 541: 540: 526: 525: 524: 523: 516:10.1137/0608002 497: 487:Leighton, F. T. 483:Chung, F. R. K. 481: 480: 476: 434: 422: 421: 417: 399:10.1.1.499.1516 389:math.CO/0409054 363: 362: 358: 351: 332: 331: 327: 322: 280: 228: 226:Example studies 190:Whitney complex 170:coincides with 168:connected graph 129: 119: 54:is a branch of 26: 24: 17: 12: 11: 5: 549: 547: 539: 538: 528: 527: 522: 521: 474: 445:(4): 549–568. 424:Hopcroft, John 415: 382:(2): 525–570. 356: 349: 324: 323: 321: 318: 317: 316: 311: 306: 304:Toroidal graph 301: 296: 291: 286: 279: 276: 227: 224: 194:clique complex 179:if and only if 127:Graph homology 118: 115: 15: 13: 10: 9: 6: 4: 3: 2: 548: 537: 534: 533: 531: 517: 513: 509: 505: 504: 496: 492: 488: 484: 478: 475: 470: 466: 461: 456: 452: 448: 444: 440: 433: 429: 425: 419: 416: 410: 405: 400: 395: 390: 385: 381: 377: 376: 371: 367: 360: 357: 352: 346: 342: 341: 336: 333:Gross, J.L.; 329: 326: 319: 315: 314:Voltage graph 312: 310: 307: 305: 302: 300: 297: 295: 292: 290: 287: 285: 282: 281: 277: 275: 273: 269: 265: 261: 257: 254: 250: 246: 244: 243:graph drawing 240: 236: 235:Robert Tarjan 232: 231:John Hopcroft 225: 223: 221: 220: 215: 211: 207: 203: 199: 195: 191: 186: 184: 180: 177: 173: 169: 165: 164:homeomorphism 161: 157: 153: 149: 148:unit interval 145: 141: 138: 134: 128: 124: 116: 114: 112: 111:short circuit 108: 107:circuit board 104: 100: 96: 92: 88: 83: 81: 77: 73: 69: 65: 61: 57: 53: 49: 41: 22: 510:(1): 33–58. 507: 501: 477: 442: 438: 418: 379: 373: 359: 339: 335:Tucker, T.W. 328: 294:Planar graph 258: 247: 229: 217: 216:is called a 201: 193: 187: 185:is trivial. 156:subdivisions 143: 139: 130: 84: 56:graph theory 51: 45: 40:Pappus graph 82:of graphs. 48:mathematics 210:line graph 121:See also: 80:immersions 460:1813/6011 394:CiteSeerX 368:(2007) . 343:. Dover. 337:(2012) . 299:Real tree 249:Fan Chung 152:intervals 530:Category 493:(1987). 430:(1974). 278:See also 270:and the 206:matching 64:surfaces 469:6279825 97:is the 467:  396:  347:  198:clique 131:To an 87:sphere 72:graphs 70:, and 498:(PDF) 465:S2CID 435:(PDF) 384:arXiv 320:Notes 289:Genus 264:prove 91:edges 345:ISBN 233:and 181:its 176:tree 125:and 512:doi 455:hdl 447:doi 404:doi 380:212 192:or 74:as 62:in 46:In 532:: 506:. 500:. 489:; 485:; 463:. 453:. 443:21 441:. 437:. 426:; 402:. 392:. 378:. 372:. 274:. 245:. 113:. 66:, 50:, 518:. 514:: 508:8 471:. 457:: 449:: 412:. 406:: 386:: 353:. 144:C 140:C 23:.

Index

topological graph
Pappus graph
mathematics
graph theory
embedding of graphs
surfaces
spatial embeddings of graphs
graphs
topological spaces
immersions
sphere
edges
mathematical puzzle
three utilities problem
electronic circuits
circuit board
short circuit
Graph (topology)
Graph homology
undirected graph
abstract simplicial complex
unit interval
intervals
subdivisions
homeomorphism of graphs
homeomorphism
connected graph
topological connectedness
tree
if and only if

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