SgpDec

Hierarchical Composition and Decomposition of Permutation Groups and Transformation Semigroups

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SgpDec 0.7.29 is updated to work with GAP 4.7.5. At the moment, the unfinished documentation is the final obstacle for a proper release. We will try to fix this issue as soon as possible.

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Related papers, drafts
Lagrange decomposition
Simple composition examples
On the Skeleton of a Transformation Semigroup

Holonomy decomposition of a small automaton (cascaded automaton, tiling picture, original automaton):