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1 paper

math.FA2026

The Square Root Problem and Subnormal Aluthge Transforms of Recursively Generated Weighted Shifts

Raul E. Curto, Hamza El Azhar, Youssef Omari +1

For recursively generated shifts, we provide definitive answers to two outstanding problems in the theory of unilateral weighted shifts: the Subnormality Problem ({\bf SP}) (relate…