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High-girth arc-transitive graphs

WebGraphs are often a natural model in real world applications such as telecommunications networks, road and transport planning, economics and social … Web1 de mai. de 1989 · Highly Arc Transitive Digraphs. Finite digrahs Г with a group G of automorphisms acting transitively on the set of s -arcs, for some s ⩾ 2, are investigated. For each valency v and each s ⩾ 2 an infinite family of finite digraphs of valency v which are s -arc transitive but not ( s + 1)-arc transitive are constructed.

arXiv:2005.01635v3 [math.CO] 8 Sep 2024

WebLet G be a finite non-abelian simple group and let Γ be a connected tetravalent 2-arc-transitive G-regular graph. In 2004, Fang, Li, and Xu proved that either G is normal in the … Web1 de abr. de 2007 · In this section, we will find out all connected 5-arc transitive cubic Cayley graphs for A 47. We first denote each coset G a ∈ Ω = [ A: G] by a ¯. Then Ω = T ¯ ≔ { h ¯ ∣ h ∈ T } and G is the point stabilizer of 1 ¯ in A. For any subgroup L of T and its left coset h L, the set h L ¯ is obviously an L -orbit in Ω. buttered glace https://homestarengineering.com

A construction of an infinite family of 2-arc transitive polygonal ...

Web24 de dez. de 2014 · On -arc-transitive graphs of order. We show that there exist functions and such that, if , and are positive integers with and is a -valent -arc-transitive graph of order with a prime, then . In other words, there are only finitely many -valent 2-arc-transitive graphs of order with and prime. This generalises a recent result of Conder, Li … Web1 de mar. de 2001 · It is proved that if Γ is a finite connected s-transitive graph (where s ≥ 2) of order a p-power with p prime, then s = 2 or 3; further, either s = 3 and Γ is a normal … Web1 de ago. de 2010 · A near-polygonal graph is a graph @C which has a set C of m-cycles for some positive integer m such that each 2-path of @C is contained in exactly one cycle in C. If m is the girth of @C then the graph is called polygonal. buttered goods

On distance, geodesic and arc transitivity of graphs

Category:A new approach to catalog small graphs of high even girth - arXiv

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High-girth arc-transitive graphs

On Isoperimetric Connectivity in Vertex-Transitive Graphs

Webconstructed half-arc-transitive graphs of valency 2k for all integers k > 2 (see also [12]). Note that a graph of valency 2 is a disjoint union of cycles and hence not half-arc-transitive. Thus the valency of a half-arc-transitive graph is at least 4. Over the last half a century, numerous papers have been published on half-arc-

High-girth arc-transitive graphs

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WebA new approach to catalog small graphs of high even girth Vivek S. Nittoor [email protected] Independent Consultant & Researcher (formerly with the University of Tokyo) Abstract A catalog of a class of (3;g) graphs for even girth gis introduced in this pa-per. A (k;g) graph is a regular graph with degree kand girth g. This catalog of Webthe corresponding Tanner graphs have girth greater than four. We analyse properties of the obtained codes and present bounds for the code parameters, ... Keywords: LDPC code, cubic graph, arc-transitive graph, bipartite graph MSC 2024 Codes: 94B05, 05C99 1 arXiv:2002.06690v1 [math.CO] 16 Feb 2024. 1 Introduction and preliminaries

Webinitial 3-arc will not be equivalent under any automorphism. 13(*). Let G be a distance transitive graph with girth at least five. Let k = 1. Then G is at least k-arc transitive. Consider any two k+1-arcs (they may be taken to start from the same vertex x because G is vertex-transitive). If they have an edge in common, then k-arc Webarc-transitive graphs with vertex stabilizer D8 and order 10752, with 10752 being the smallest order of connected tetravalent half-arc-transitive graphs with vertex stabilizer …

WebThe study of cubic s-arc-transitive graphs goes back to the seminal papers of Tutte [14, 15] who showed that s ≤ 5. More generally, Weiss [16] proved that s ≤ 7for graphs of … WebThe graph Σ is called (G, 2)-arc transitive, where G ≤ Aut(Σ), if G is transitive on the vertex set and on the set of 2-arcs of Σ. From a previous study it arises the question of when a …

WebClearly λ k ≤ d k − e k, where d is the degree of Γ and e k is the maximal number of edges induced on a set of k vertices. We shall show that Cayley graphs with a prime order and …

WebARC–TRANSITIVE NON–CAYLEY GRAPHS FROM REGULAR MAPS P. GVOZDJAK and J. ˇSIR A´Nˇ Abstract. We prove that the underlying graphs of p-gonal r-valent orientably regular maps are arc-transitive but non-Cayley if r≥3 and pis a prime greater than r(r−1). 1. Introduction Orientable maps, i.e., embeddings of graphs in orientable surfaces ... cd rates at baycoast bankWeb28 de out. de 2009 · An arc-transitive graph Γ is said to be (X, s)-regular if it is (X, s)-arc-transitive and, for any two s-arcs of Γ, there is a unique automorphism of Γ mapping one … cd rates at beal bankWeb25 de ago. de 2003 · ANALYSING FINITE LOCALLYs-ARC TRANSITIVE GRAPHS. MICHAEL GIUDICI, CAI HENG LI, AND CHERYL E. PRAEGER Abstract. We present a … buttered garlic seafoodWebArc-transitivity is an even stronger property than edge-transitivity or vertex-transitivity, so arc-transitive graphs have a very high degree of symmetry. A 0-transitive graph is … cd rates at banks todayWebThe Cayley graph F is denoted by Cay(G, S). Cayley graphs stem from a type of diagram now called a Cayley color diagram, introduced by Cayley in 1878. In this paper, we … buttered garlic pastaWeb9 de abr. de 2024 · When the underlying graphs exhibit a significant girth and expanding factor, ... Then they are called edge-transitive Cayley graphs such that Lemma 4 of is satisfied ... Chou, P.-C., & Ueng, Y.-L. (2024). An effective low-complexity error-floor lowering technique for high-rate QC-LDPC codes. IEEE Communications Letters, 22(10 ... cd rates at bayport credit unionWebIf a graph Γ is (G,s)-arc transitive and s ≤ diam(Γ), then s-geodesics and s-arcs are same, and Γ is (G,s)-geodesic transitive. However, Γ can be (G,s)-geodesic transitive but not … buttered garlic potato recipe