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math.RA2024
Moves for Bergman algebras
Raimund Preusser
We define Bergman presentations and Bergman algebras associated to Bergman presentations. These algebras embrace various generalisations of Leavitt path algebras. A Bergman present…
math.RA2024
Bergman algebras: The graded universal algebra constructions
Roozbeh Hazrat, Huanhuan Li, Raimund Preusser
A half a century ago, George Bergman introduced stunning machinery which would realise any commutative conical monoid as the non-stable -theory of a ring. The ring constructed i…