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math.QA2000★ 4 cited
Multi-parameter deformations of the module of symbols of differential operators
F. Ammar, B. Agrebaoui, V. Ovsienko
The space of symbols of differential operators on a smooth manifold (i.e., the space of symmetric contravariant tensor fields) is naturally a module over the Lie algebra of vector…
math.QA1992★ 8 cited
The multigraded Nijenhuis-Richardson Algebra, its universal property and application
Pierre Lecomte, Peter W. Michor, Hubert Schicketanz
We define two graded Lie brackets on spaces of multilinear mappings. The first one is able to recognize -graded associative algebras and their modules and gives immediat…