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math.OA2025
Tensorial Permanence of -Stability for Diagonal AH-Algebras
Apurva Seth
We study -stability for tensor products of diagonal AH-algebras with arbitrary C*-algebras. Our main result provides a characterization of -stability: for a diagonal AH-algeb…
math.OA2025
The radius of comparison for actions of Z^d on simple AH algebras
M. Ali Asadi-Vasfi, Ilan Hirshberg, Apurva Seth
Given 0 \leq r' \leq r \leq \infty, and d \in N, we construct a simple unital AH algebra A with stable rank one, and a pointwise outer action α: Z^d \to Aut(A), such that rc(A)=r a…