Mathematics – Group Theory
Scientific paper
2010-07-04
Mathematics
Group Theory
26 pages
Scientific paper
We extend to endomorphism of arbitrary abelian groups the definition of the algebraic entropy h given by Peters for automorphisms and we study the properties of h. In particular, we prove the Addition Theorem for h and we obtain a Uniqueness Theorem for h in the category of all abelian groups and their endomorphisms. The third of our main results is the Bridge Theorem connecting the algebraic entropy and the topological entropy by the Pontryagin duality.
Bruno Anna Giordano
Dikranjan Dikran
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