2019
DOI: 10.1137/17m1149420
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Pattern Colored Hamilton Cycles in Random Graphs

Abstract: We consider the existence of patterned Hamilton cycles in randomly colored random graphs. Given a string Π over a set of colors {1, 2, . . . , r}, we say that a Hamilton cycle is Π-colored if the pattern repeats at intervals of length |Π| as we go around the cycle. We prove a hitting time for the existence of such a cycle. We also prove a hitting time result for a related notion of Π-connected.The next phase of this study, concerns Hamilton cycles in random k-uniform hypergraphs. There are various notions of H… Show more

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Cited by 10 publications
(10 citation statements)
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“…We say that a Hamilton cycle with edges e 1 , e 2 , ..., e n is Π-colored if e j has color Π t , where t = j mod ℓ. It is shown by Anastos and Frieze [9] that w.h.p. the hitting time for the existence of a Π-colored Hamilton cycle coincides with the hitting time for every vertex to fit Π.…”
Section: Pattern Coloringsmentioning
confidence: 99%
“…We say that a Hamilton cycle with edges e 1 , e 2 , ..., e n is Π-colored if e j has color Π t , where t = j mod ℓ. It is shown by Anastos and Frieze [9] that w.h.p. the hitting time for the existence of a Π-colored Hamilton cycle coincides with the hitting time for every vertex to fit Π.…”
Section: Pattern Coloringsmentioning
confidence: 99%
“…The events  P ,  0 ,  𝓁 are mutually independent, hence P( P ∧  0 ∧  𝓁 ) ≤ p 𝓁 n −1.2 . Let  be the event that there exists a path P = v 0 , … , v 𝓁 with 𝓁 ∈ [4] in G such that  P and 𝑑(v 0 ), 𝑑(v 𝓁 ) ≤ 𝛼 log n. By the union bound,…”
Section: Extending Paths To Hamilton Cyclesmentioning
confidence: 99%
“…Several concrete manifestations of this phenomenon have been demonstrated in prior works. For example, it is known that the number of Hamilton cycles in G(n, p) is-in some well-defined quantitative sense-concentrated around its mean [20]; that the set of Hamilton cycles in G(n, p) typically possesses local resilience properties [29,33,34,38]; and that random edge-colorings of G(n, p) typically admit Hamilton cycles colored according to any prescribed pattern [4,15].…”
Section: Introductionmentioning
confidence: 99%
“…Randomly colored random graphs have been extensively studied in various contexts throughout the last two decades. A few examples include (i) rainbow spanning graphs such as matchings and Hamilton cycles, see e.g., [2], [8], [10], [11], [14]; (ii) rainbow connection, see e.g., [4], [13], [15], [16]; (iii) pattern colored Hamilton cycles, see e.g., [1], [5], [12]; (iv) packing problems, see e.g., [9]. Continuing the research in this line, Frieze defined an elegant notion of a color profile in [6] and gave bounds on the matching color profile for randomly colored random bipartite graphs.…”
Section: Introductionmentioning
confidence: 99%