2 papers
math.FA2024
On scalable -frames and a version of Lax-Milgram theorem
F. Javadi, M. J. Mehdipour
In this paper, we first prove a theorem by a little modification on the Lax-Milgram theorem. Then, using -frames, we obtain lower and upper bounds for the results obtained from…
math.FA2023
On the Phase Retrievable Sequences
F. Javadi, M. J. Mehdipour
In this paper, we study phase retrievable sequences and give a characterization of phase retrievability of a sequence of bounded linear operators on a Hilbert space ; in particu…