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math.GR2010
String numbers of abelian groups
Anna Giordano Bruno, Simone Virili
The string number of self-maps arose in the context of algebraic entropy and it can be viewed as a kind of combinatorial entropy function. Later on its values for endomorphisms of…
math.GR2010★ 6 cited
Strings of group endomorphisms
Dikran Dikranjan, Anna Giordano Bruno, Simone Virili
Recently the strings and the string number of self-maps were used in the computation of the algebraic entropy of special group endomorphisms. We introduce two special kinds of stri…