Add to ORKGWe present some topics on graph covering and its generalization. We survey some results on enumeration of isomorphism classes of coverings of a graph and g-cyclic A-covers of a symmetric digraph, where ＄A＄ is a finite group and ＄g￥in A＄ . We also mention some related questions
AbstractLet G be a connected graph and Γ a group of automorphisms of G. We enumerate the number of Γ...
We define a covering of a profinite graph to be a projective limit of a system of covering maps of f...
The isomorphism classes of several types of graph coverings of a graph have been enumerated by many ...
Several isomorphism classes of graph coverings of a graph G have been enumerated by many authors. An...
Enumerative results are presently a major center of interest in topological graph theory, as in the ...
AbstractEnumerative results are presently a major center of interest in topological graph theory, as...
The homology group of a graph, with any coefficient ring, can be used to construct covering graphs. ...
AbstractAny group of automorphisms of a graph G induces a notion of isomorphism between covering pro...
The number of the isomorphism classes of n-fold coverings of a graph G is enumerated by the authors ...
The isomorphism classes of several types of graph coverings of a graph have been enumerated by many ...
AbstractWe apply the theory of covering spaces to show how one can construct infinitely many finite ...
Hofmeister introduced the notion of a concrete (resp., concrete regular) covering of a graph G and g...
Hofmeister introduced the notion of a concrete (resp., concrete regular) covering of a graph G and g...
AbstractThe isomorphism classes of several types of graph coverings of a graph have been enumerated ...
AbstractEnumerative results are presently a major center of interest in topological graph theory, as...
AbstractLet G be a connected graph and Γ a group of automorphisms of G. We enumerate the number of Γ...
We define a covering of a profinite graph to be a projective limit of a system of covering maps of f...
The isomorphism classes of several types of graph coverings of a graph have been enumerated by many ...
Several isomorphism classes of graph coverings of a graph G have been enumerated by many authors. An...
Enumerative results are presently a major center of interest in topological graph theory, as in the ...
AbstractEnumerative results are presently a major center of interest in topological graph theory, as...
The homology group of a graph, with any coefficient ring, can be used to construct covering graphs. ...
AbstractAny group of automorphisms of a graph G induces a notion of isomorphism between covering pro...
The number of the isomorphism classes of n-fold coverings of a graph G is enumerated by the authors ...
The isomorphism classes of several types of graph coverings of a graph have been enumerated by many ...
AbstractWe apply the theory of covering spaces to show how one can construct infinitely many finite ...
Hofmeister introduced the notion of a concrete (resp., concrete regular) covering of a graph G and g...
Hofmeister introduced the notion of a concrete (resp., concrete regular) covering of a graph G and g...
AbstractThe isomorphism classes of several types of graph coverings of a graph have been enumerated ...
AbstractEnumerative results are presently a major center of interest in topological graph theory, as...
AbstractLet G be a connected graph and Γ a group of automorphisms of G. We enumerate the number of Γ...
We define a covering of a profinite graph to be a projective limit of a system of covering maps of f...
The isomorphism classes of several types of graph coverings of a graph have been enumerated by many ...