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A simple construction of associative deformations

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Skvortsov,  Evgeny
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1803.10957.pdf
(Preprint), 235KB

1803.10957-v2.pdf
(Preprint), 186KB

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Citation

Sharapov, A. A., & Skvortsov, E. (2019). A simple construction of associative deformations. Letters in Mathematical Physics, 1-19. doi:10.1007/s11005-018-1119-3.


Cite as: https://hdl.handle.net/21.11116/0000-0001-5431-9
Abstract
A new approach to the construction of formal deformations of associative
algebras is proposed. It exploits the machinery of injective resolutions of an
associative algebra $A$ in the category of $A$-bimodules. Specifically, we show
that certain first-order deformations of $A$ extend to all orders and we derive
explicit recurrent formulas determining this extension. In physical terms, this
may be regarded as the deformation quantization of noncommutative Poisson
structures on $A$.