In the isomorphism algorithm for general planar graphs a similar representa- tion is used, namely a tree of 3-connected components. We give a log-space ...
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Mar 31, 2020 · Two planar embeddings should be "basically the same" if there's an isomorphism of the graphs that also preserves the faces.
[PDF] Algorithm and Experiments in Testing Planar Graphs for Isomorphism
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In order to com- pare two planar graphs for isomorphism, we construct a unique code for every graph. If those codes are the same, the graphs are isomorphic.
The isomorphism problem for graphs G 1 and G 2 is to determine if there exists a one- to-one mapping of the vertices of G 1 onto the vertices of G 2 such ...
Abstract. An algorithm is presented for determining whether or not two planar graphs are isomorphic. The algorithm requires O(V log V) time, if V is the number ...
In the isomorphism algorithm for general planar graphs a similar representa- tion is used, namely a tree of triconnected components. A triconnected component ...
An algorithm for determining whether two triconnected planar graphs are isomorphic is presented. The asymptotic growth rate of the algorithm is bounded by a ...
Sep 14, 2022 · The graph isomorphism problem, GI, is to decide whether there is a bijection between the vertices of two graphs that preserves the adjacency ...
For two planar graphs with v vertices, it is possible to determine in time O(v) whether they are isomorphic or not (see also graph isomorphism problem).
The isomorphism of planar graphs is an important special case of the graph isomorphism problem. It arises in the enumera- tion of various types of planar ...