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Non-commutative rings and algebras, non-associative algebras. Can be used in combination with ra.rings-and-algebras

10 votes
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what is the definition of the Picard group of a (non necessarilly commutative) Ring?

The definition I appreciate most comes from Morita theory: you consider unital (just for simplicity, something slightly weaker will also work) rings and the bimodules between them. Using the tensor pr …
Stefan Waldmann's user avatar
2 votes

Quantum Grassmannians?

There is a deformation quantization approach to the quantization of the Grassmannians taking their Kähler symplectic form as the starting point. You can find this in the preprint by Schirmer arXiv:q-a …
Stefan Waldmann's user avatar