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math.RA2019
Projective discrete modules over profinite groups
Alexandru Chirvasitu, Ryo Kanda
We show that the category of discrete modules over an infinite profinite group has no non-zero projective objects and does not satisfy Ab4*. We also prove the same types of results…
math.RA2019
The characteristic variety for Feigin and Odesskii's elliptic algebras
Alex Chirvasitu, Ryo Kanda, S. Paul Smith
This paper examines an algebraic variety that controls an important part of the structure and representation theory of the algebra introduced by Feigin and Odesskii.…