A note on Costara's paper

Volume 83 / 2004

Armen Edigarian Annales Polonici Mathematici 83 (2004), 189-191 MSC: Primary 32H35. DOI: 10.4064/ap83-2-9


We show that the symmetrized bidisc ${\mathbb G}_2= \{(\lambda_1+\lambda_2,\lambda_1\lambda_2):|\lambda_1|,|\lambda_2|<1\}\subset{\mathbb C}^2$ cannot be exhausted by domains biholomorphic to convex domains.


  • Armen EdigarianInstitute of Mathematics
    Jagiellonian University
    Reymonta 4/526
    30-059 Kraków, Poland

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