A sharp Schwarz inequality on the boundary

Author:

Osserman Robert

Abstract

A number of classical results reflect the fact that if a holomorphic function maps the unit disk into itself, taking the origin into the origin, and if some boundary point b b maps to the boundary, then the map is a magnification at b b . We prove a sharp quantitative version of this result which also sharpens a classical result of Loewner.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference10 articles.

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4. [L] Löwner. K. “Untersuchungen über schlichte konforme Abbildungen des Einheitskreises. I.” Math. Ann. 89 (1923) 103-121.

5. Sharpened versions of the Schwarz lemma;Mercer, Peter R.;J. Math. Anal. Appl.,1997

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