English

Separate continuity of the Lempert function of the spectral ball

Complex Variables 2011-11-17 v2

Abstract

We find all matrices AA from the spectral unit ball Ωn\Omega_n such that the Lempert function lΩn(A,)l_{\Omega_n}(A,\cdot) is continuous.

Keywords

Cite

@article{arxiv.0910.4299,
  title  = {Separate continuity of the Lempert function of the spectral ball},
  author = {Nikolai Nikolov and Pascal J. Thomas},
  journal= {arXiv preprint arXiv:0910.4299},
  year   = {2011}
}

Comments

small corrections; one reference is added