Pu-Ting Yu

activity

20222026

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math.CA2023

Frame-normalizable Sequences

Pu-Ting Yu

Let $H$ be a separable Hilbert space and let ${x_{n}}$ be a sequence in $H$ that does not contain any zero elements. We say that ${x_{n}}$ is a \emph{Bessel-normalizable} or \emph{…

math.FA2023

$ℓ^{1}$ -Bounded Sets

Christopher Heil, Pu-Ting Yu

A subset $M$ of a separable Hilbert space $H$ is $ℓ^{1}$ -bounded if there exists a Riesz basis $F = {e_{n}}_{n \in N}$ for $H$ such that $\sup_{x \in M} \sum_{n…

Frame-normalizable Sequences

ℓ1-Bounded Sets

$ℓ^{1}$ -Bounded Sets