We characterize proper holomorphic self-mappings 𝔾₂ → 𝔾₂ for the symmetrized bidisc 𝔾₂ = {(λ₁+λ₂,λ₁λ₂): |λ₁|,|λ₂| < 1} ⊂ ℂ².
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap84-2-8,
author = {Armen Edigarian},
title = {Proper holomorphic self-mappings of the symmetrized bidisc},
journal = {Annales Polonici Mathematici},
volume = {83},
year = {2004},
pages = {181-184},
zbl = {1098.32007},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap84-2-8}
}
Armen Edigarian. Proper holomorphic self-mappings of the symmetrized bidisc. Annales Polonici Mathematici, Tome 83 (2004) pp. 181-184. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap84-2-8/