2025/07/07 by Narutaka Ozawa, Ozawa, Narutaka
Mathematics · #Advanced Banach Space Theory #Holomorphic and Operator Theory #Mathematical Analysis and Transform Methods
paper · pdf · doi:10.48550/arxiv.2507.04899
We prove that every total sequence in a Hilbert space satisfies the lower frame inequality after scaling. This solves A. Kulikov's "exercise" at mathoverflow.