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Paths are fundamental concepts of graph theory, described in the introductory sections of most graph theory texts. See, for example, Bondy and Murty (1976), Gibbons (1985), or
Diestel (2005).
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396:, and in fact the paths are exactly the trees in which no vertex has degree 3 or more. A
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This article is about a family of graphs. For paths as parts of arbitrary graphs, see
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in that graph. A path is a particularly simple example of a
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201:{\displaystyle \{2\cos \left({\frac {k\pi }{n+1}}\right);}
373:. Equivalently, a path with at least two vertices is
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388:of other graphs, in which case they are called
381:1), while all others (if any) have degree 2.
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571:, vol. 173, Springer-Verlag. pp. 6–9.
384:Paths are often important in their role as
377:and has two terminal vertices (vertices of
499:vertices, some authors (e.g. Diestel) use
423:of type A. As such, they classify the
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16:Graph with nodes connected linearly
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488:While it is most common to use
241:{\displaystyle k=1,\ldots ,n\}}
539:Graph Theory with Applications
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284:Table of graphs and parameters
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627:Parametric families of graphs
569:Graduate Texts in Mathematics
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419:, path graphs appear as the
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315:can be listed in the order
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561:Diestel, Reinhard (2005).
542:. North Holland. pp.
47:A path graph on 6 vertices
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431:of type A, which is the
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400:of paths is called a
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622:Trees (graph theory)
470:Cycle (graph theory)
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445:Path (graph theory)
21:Path (graph theory)
595:Weisstein, Eric W.
465:Path decomposition
427:of type A and the
411:As Dynkin diagrams
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567:(3rd ed.).
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450:Caterpillar tree
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122:Chromatic number
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132:Chromatic index
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587:External links
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506:for a path of
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495:for a path of
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455:Complete graph
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402:linear forest
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367:= 1, 2, ...,
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598:"Path Graph"
564:Graph Theory
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530:Bondy, J. A.
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305:linear graph
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297:graph theory
293:mathematical
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425:root system
616:Categories
476:References
460:Null graph
429:Weyl group
301:path graph
252:Properties
36:Path graph
28:line graph
603:MathWorld
520:vertices.
386:subgraphs
375:connected
295:field of
227:…
175:π
162:
536:(1976).
439:See also
362:} where
313:vertices
270:Notation
142:Spectrum
97:Diameter
54:Vertices
417:algebra
330:, ...,
307:) is a
291:In the
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379:degree
311:whose
81:Radius
544:12–21
511:edges
390:paths
340:edges
309:graph
66:Edges
573:ISBN
548:ISBN
513:and
394:tree
342:are
303:(or
299:, a
264:Tree
415:In
371:− 1
159:cos
105:− 1
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