[1] He proved that the Carathéodory and Kobayashi distances agree on convex domains.
[2] He further proved that a compact, strictly pseudoconvex real analytic hypersurface can be embedded into the unit sphere of a Hilbert space.
He was an invited session speaker at the International Congress of Mathematicians, in Berkeley, California, 1986.
He was elected an external member of the Hungarian Academy of Sciences (2004).
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