23 citations · 55 across the 18 of their papers we have counts for
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math.DS2009
Entropy and growth rate of periodic points of algebraic Z^d-actions
Douglas Lind, Klaus Schmidt, Evgeny Verbitskiy
Expansive algebraic Z^d-actions corresponding to ideals are characterized by the property that the complex variety of the ideal is disjoint from the multiplicative unit torus. For…
math.DS2009★ 23 cited
Abelian Sandpiles and the Harmonic Model
Klaus Schmidt, Evgeny Verbitskiy
We present a construction of an entropy-preserving equivariant surjective map from the -dimensional critical sandpile model to a certain closed, shift-invariant subgroup of $\ma…