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math.FA2026
Fourier integral operators on Orlicz modulation spaces
Serap Ãztop, Rüya Ãster, Joachim Toft
We establish continuity and Schatten-von Neumann properties for Fourier integral operators with amplitudes in Orlicz modulation spaces, when acting on other Orlicz modulation space…
math.FA2026
Orlicz Space Interpolation and Its Applications to Operator Convolution
Wolfram Bauer, Robert Fulsche, Joachim Toft
We prove a strong-type interpolation result for noncommutative Orlicz spaces over semifinite von Neumann algebras. Based on this result, we obtain Young-type convolution estimates…
math.FA2024
Factorizations for quasi-Banach time-frequency spaces and Schatten classes
Divyang Bhimani, Joachim Toft
We deduce factorization properties for a quasi-Banach module over a quasi-Banach algebra. Especially we extend a result by Hewitt and prove that if any such algebra which possess a…