English

Conjugations in $L^2$ and their invariants

Functional Analysis 2020-01-01 v1 Mathematical Physics math.MP

Abstract

Conjugations in space L2L^2 of the unit circle commuting with multiplication by zz or intertwining multiplications by zz and zˉ\bar z are characterized. We also study their behaviour with respect to the Hardy space, subspaces invariant for the unilateral shift and model spaces.

Keywords

Cite

@article{arxiv.1912.13265,
  title  = {Conjugations in $L^2$ and their invariants},
  author = {M. Cristina Câmara and Kamila Kliś--Garlicka and Bartosz Łanucha and Marek Ptak},
  journal= {arXiv preprint arXiv:1912.13265},
  year   = {2020}
}
R2 v1 2026-06-23T12:59:41.049Z