Let Ω be a smoothly
bounded domain in ℂ2 such that the Bergman representative map near the boundary
continues to be diffeomorphic up to the boundary. If such a domain admits a
holomorphic automorphism group orbit accumulating at a boundary point of finite
D’Angelo type 2m, we show that the domain Ω is biholomorphic to the Thullen
domain
This result refines the well-known theorem of E. Bedford and S.
Pinchuk.
Keywords
automorphism group action, Bergman representative map