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1.
Classification of cubic vertex-transitive tricirculants
Primož Potočnik, Micael Toledo, 2020, izvirni znanstveni članek

Ključne besede: graph, cubic, semiregular automorphism, tricirculant, vertex-transitive
Objavljeno v RUP: 03.01.2022; Ogledov: 802; Prenosov: 40
.pdf Celotno besedilo (1,18 MB)

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Semiregular automorphisms in vertex-transitive graphs with a solvable group of automorphisms
Dragan Marušič, 2017, izvirni znanstveni članek

Opis: It has been conjectured that automorphism groups of vertex-transitive (di)graphs, and more generally 2-closures of transitive permutation groups, must necessarily possess a fixed-point-free element of prime order, and thus a non-identity element with all orbits of the same length, in other words, a semiregular element. The known affirmative answers for graphs with primitive and quasiprimitive groups of automorphisms suggest that solvable groups need to be considered if one is to hope for a complete solution of this conjecture. It is the purpose of this paper to present an overview of known results and suggest possible further lines of research towards a complete solution of the problem.
Ključne besede: solvable group, semiregular automorphism, fixed-point-free automorphism, polycirculant conjecture
Objavljeno v RUP: 03.01.2022; Ogledov: 775; Prenosov: 17
.pdf Celotno besedilo (235,26 KB)

4.
On colour-preserving automorphisms of Cayley graphs
Ademir Hujdurović, Klavdija Kutnar, Dave Witte Morris, Joy Morris, 2016, izvirni znanstveni članek

Opis: We study the automorphisms of a Cayley graph that preserve its natural edge-colouring. More precisely, we are interested in groups ▫$G$▫, such that every such automorphism of every connected Cayley graph on ▫$G$▫ has a very simple form: the composition of a left-translation and a group automorphism. We find classes of groups that have the property, and we determine the orders of all groups that do not have the property. We also have analogous results for automorphisms that permute the colours, rather than preserving them.
Ključne besede: Cayley graph, automorphism, colour-preserving, colour-permuting
Objavljeno v RUP: 03.01.2022; Ogledov: 682; Prenosov: 16
.pdf Celotno besedilo (412,93 KB)

5.
The automorphism groups of non-edge transitive rose window graphs
Edward Dobson, István Kovács, Štefko Miklavič, 2015, izvirni znanstveni članek

Opis: In this paper, we determine the full automorphism groups of rose window graphs that are not edge-transitive. As the full automorphism groups of edge-transitive rose window graphs have been determined, this complete the problem of calculating the full automorphism group of rose window graphs. As a corollary, we determine which rose window graphs are vertex-transitive. Finally, we determine the isomorphism classes of non-edge-transitive rose window graphs.
Ključne besede: rose window graphs, automorphism group, isomorphism problem, vertex-transitive graph
Objavljeno v RUP: 31.12.2021; Ogledov: 879; Prenosov: 18
.pdf Celotno besedilo (275,74 KB)

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A family of non-Cayley cores that are constructed from vertex-transitive or strongly regular self-complementary graphs
Marko Orel, 2021, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: cores, graph homomorphisms, automorphism group, self-complementary graphs
Objavljeno v RUP: 30.07.2021; Ogledov: 981; Prenosov: 73
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9.
A family of non-Cayley cores that are constructed from vertex-transitive or strongly regular self-complementary graphs
Marko Orel, 2021, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: cores, graph homomorphisms, automorphism group, self-complementary graphs
Objavljeno v RUP: 30.07.2021; Ogledov: 1192; Prenosov: 42
.pdf Celotno besedilo (1,01 MB)
Gradivo ima več datotek! Več...

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