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math.AC2021
Commutative bidifferential algebra
Omar Leon Sanchez, Rahim Moosa
Motivated by the Poisson Dixmier-Moeglin equivalence problem, a systematic study of commutative unitary rings equipped with a {\em biderivation}, namely a binary operation that is…
math.LO2021
More on Galois cohomology, definability and differential algebraic groups
Omar Leon Sanchez, David Meretzky, Anand Pillay
We make further observations on the features of Galois cohomology in the general model theoretic context. We make explicit the connection between forms of definable groups and firs…