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On certain noncommutative geometries via categories of sheaves of (graded) PI-algebras by Centrone, Lucio; Corrêa, Maurício is a scholarly article available to read on EtoBox.

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In this work, we propose to study noncommutative geometry using the language of categories of sheaves of algebras with polynomial identities and their properties, introducing new (graded) noncommutative geometries, which include, for example, the following algebras: superalgebras, $\mathbb{Z}_2^n$-graded superalgebras, Azumaya algebras, Clifford and quaternion algebras, the algebra of upper triangular matrices, quantum groups at roots of unity, and also some NC-schemes. More precisely, fix a group $G$, a $G$-graded associative algebra $A$ over a field $F$ of characteristic 0 and a topological space $X$; we construct a locally $G$-graded ringed space structure on $X$, where the sheaf structure belongs to the $G$-graded variety $\text{G-var}(A)$ of algebras generated by $A$, which classify all geometric spaces that belong to $\text{G-var}(A)$. We study conditions to compare two geometries in a (graded) Morita context, as well as their corresponding differential calculi.

Author

Centrone, Lucio; Corrêa, Maurício

Published

2024

Language

EN