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Christos Karatzas

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#edge computing Open access Oct 2026

Refinement-Derived Algebraic Computation of Graph Automorphism Groups

We compute the automorphism group of a graph exactly, with a verified generatingset. Inside each class of an invariant colouring, individualisation and refinement yielda permutation group TC that contains the restriction of every automorphism; a normalseries of these groups turns the edges between classes into affine s...

Christos Karatzas · 0 citations
#edge computing Open access Oct 2026

Refinement-Derived Algebraic Computation of Graph Automorphism Groups

We compute the automorphism group of a graph exactly, with a verified generatingset. Inside each class of an invariant colouring, individualisation and refinement yielda permutation group TC that contains the restriction of every automorphism; a normalseries of these groups turns the edges between classes into affine s...

Christos Karatzas · 0 citations

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