HIGHLIGHTS
- who: Reza, Naserasr and Éric, Sopena from the CNRS, LRI, UMR8623, UnivParis-Sud, Orsay , France Department of Mathematics and Institute of Theoretical Computer Science, University of West Bohemia, Univerzitnı́, , Plzeň, Czech Republic have published the paper: Homomorphisms of planar signed graphs to signed projective cubes, in the Journal: (JOURNAL)
SUMMARY
Given a signature Σ on a graph G, resigning at a vertex v is to change the sign of each edge incident with v. Two signatures Σ1 and Σ2 on G are equivalent if one can be obtained from the other by a . . .
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