morphism
Substitutions - in particular 1dim substitutions - with m prototiles can be formulated as a endomorphism of the free group with m generators. If the endomorphism is an automorphism, i.e., if it is invertible, then the substitution is also called invertible.
Synonyms
endomorphism, group homomorphism
Page Authors
2006-03-01 D.Frettlöh
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