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Dynamical systems characterized by automata
(Springer Wien, 1979-03)
Automata and Dynamical Systems Theory both rest on a common mathematical structure. In this work the interrelation between these theories is studied, starting with a simple characterization of a dynamical system (and some ...
Necessary conditions for a semigroup ring to be an integral CRM-ring with identity
(Springer New York, 1976-12)
The immersion of semigroup rings into division rings gave rise to Tamari's [6] hierarchical classification of semigroups. Some basic properties of this classification were given elsewhere ([1] , [2] and [3]), pointing out ...
The homomorphic image of a Tn-semigroup
(Springer New York, 1972-12)