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math.OA2026
QWEP stability under twisted crossed products
Kai ZENG
We study the QWEP property of twisted crossed products and its relation to Fourier multiplier transference on noncommutative -spaces. We show that QWEP is not preserved by cro…
math.OA2024
Schatten classes on noncommutative tori: Kernel conditions
Michael Ruzhansky, Kai Zeng
In this note, we give criteria on noncommutative integral kernels ensuring that integral operators on quantum torus belong to Schatten classes. With the engagement of a noncommutat…