Differential calculus on almost commutative algebras and applications to the quantum hyperplane

Catalin Ciupala


Address.
Department of Differential Equations, Faculty of Mathematics and Informatics, University Transilvania of Brasov, 2200 Brasov, Romania

E-mail. cciupala@yahoo.com

Abstract.
In this paper we introduce a~new class of differential graded algebras named DG $\rho $-algebras and present Lie operations on this kind of algebras. We give two examples: the algebra of forms and the algebra of noncommutative differential forms of a~$\rho $-algebra. Then we introduce linear connections on a~$\rho $-bimodule $M$ over a~$\rho $-algebra~$A$ and extend these connections to the space of forms from $A$ to $M$. We apply these notions to the quantum hyperplane.

AMSclassification. 81R60, 16W99, 53C04.

Keywords. Noncommutative geometry, almost commutative algebra, linear connections, quantum hyperplane.