English

Two tuples of noncommutative Orlicz sequence spaces and some geometry properties

Functional Analysis 2025-05-23 v1 Operator Algebras

Abstract

The primary contribution of this study lies in proposing a new concept termed 22-tuples of noncommutative Orlicz sequence spaces j=12Sφj,p\bigoplus\limits_{j=1}^{2}S_{\varphi_{j},p}, where SφjS_{\varphi_{j}} denotes a noncommutative Orlicz sequence space. By leveraging the three-line theorem, we establish the Riesz-Thorin interpolation theorem for j=12Sφj,p\bigoplus\limits_{j=1}^{2}S_{\varphi_{j},p}. As applications, we derive bound for the nonsquare and von Neumann-Jordan constant of noncommutative Orlicz space Sφs(0<s1)S_{\varphi_{s}} (0<s\leq1), where φs\varphi_{s} is an intermediate function.

Keywords

Cite

@article{arxiv.2505.16111,
  title  = {Two tuples of noncommutative Orlicz sequence spaces and some geometry properties},
  author = {Ma Zhenhua and Jiang Lining},
  journal= {arXiv preprint arXiv:2505.16111},
  year   = {2025}
}