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An Algebraic Analogue of Exel–Pardo C ∗ -Algebras
Algebras and Representation Theory ( IF 0.5 ) Pub Date : 2020-06-25 , DOI: 10.1007/s10468-020-09973-x Roozbeh Hazrat , David Pask , Adam Sierakowski , Aidan Sims
中文翻译:
Exel–Pardo C ∗-代数的代数模拟
更新日期:2020-06-25
Algebras and Representation Theory ( IF 0.5 ) Pub Date : 2020-06-25 , DOI: 10.1007/s10468-020-09973-x Roozbeh Hazrat , David Pask , Adam Sierakowski , Aidan Sims
We introduce an algebraic version of the Katsura C∗-algebra of a pair A,B of integer matrices and an algebraic version of the Exel–Pardo C∗-algebra of a self-similar action on a graph. We prove a Graded Uniqueness Theorem for such algebras and construct a homomorphism of the latter into a Steinberg algebra that, under mild conditions, is an isomorphism. Working with Steinberg algebras over non-Hausdorff groupoids we prove that in the unital case, our algebraic version of Katsura C∗-algebras are all isomorphic to Steinberg algebras.
中文翻译:
Exel–Pardo C ∗-代数的代数模拟
我们介绍了整数矩阵对A,B的Katsura C ∗代数的代数形式以及在图上具有自相似作用的Exel–Pardo C ∗代数的代数形式。我们证明了这类代数的一个等级唯一性定理,并将后者的同态构造成在温和条件下为同构的Steinberg代数。与非Hausdorff群上的Steinberg代数一起使用,我们证明了在单数情况下,我们的Katsura C ∗-代数的代数形式都与Steinberg代数同构。