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math.OA2026
Non-uniqueness of continuous trace-scaling flows on certain full factors
Soham Chakraborty, Sergiu Novac
We show that if M is a full II_infinity factor such that the fundamental group of a finite corner is R and Out(M) is a locally compact second countable group, then M admits either…
math.OA2025
Measured inverse semigroups and their actions on von Neumann algebras and equivalence relations
Soham Chakraborty
It is known to experts that certain regular inclusions of von Neumann algebras arise as crossed products with cocycle actions of the canonical quotient groupoids associated with th…