2 papers
math-ph2026
On the Berry-Keating Operator
Fabio Bagarello, Sergiusz Kużel
We review here two different viewpoints on the Berry-Keating operator , whose connection to the Riemann hypothesis remains an intriguing and not yet fully understood questi…
math.FA2026
Operators and POVMs generated by Parseval frames
Sergiusz Kużel, Piotr Łukasiewicz
Let be a Parseval frame in a Hilbert space and let be a set of real numbers. From these data, we construct an operator and a positive operator-valued measure (POV…