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math.RA2018
Squares and associative representations of two dimensional evolution algebras
Maria Inez Cardoso Gonçalves, Daniel Gonçalves, Dolores Martín Barquero +2
We associate an square to any two dimensional evolution algebra. This geometric object is uniquely determined, does not depend on the basis and describes the structure and the beha…
math.DS2018
Continuous shift commuting maps between ultragraph shift spaces
Daniel Gonçalves, Marcelo Sobottka
Recently a generalization of shifts of finite type to the infinite alphabet case was proposed, in connection with the theory of ultragraph C*-algebras. In this work we characterize…