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THE SCHWARZ LEMMA AND ITS APPLICATION AT A BOUNDARY POINT

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In this note we study the Schwarz lemma and inequalities for some holo-morphic functions on the unit disc. Also, we obtain the inequality of the derivativeof holomorphic maps at a boundary point of the unit disc and ¯nd a holomorphicmap to satisfy the equality.

Abstract

In this note we study the Schwarz lemma and inequalities for some holo-morphic functions on the unit disc. Also, we obtain the inequality of the derivativeof holomorphic maps at a boundary point of the unit disc and ¯nd a holomorphicmap to satisfy the equality.

참고문헌 (7)

  1. H.P. Boas, "Julius and Julia: Mastering the Art of the Schwarz Lemma", Amer. Math. Monthly, 117, pp.770~785 (2010)
  2. R. Greene, "Function theory of one complex variable, Graduate studies on Mathematics Vol. 40" (2002), Amer. Math. Soc.
  3. 정문자, "THE SCHWARZ LEMMA AND BOUNDARY FIXED POINTS", 순수 및 응용수학, 18(3), pp.275~284 (2011), 한국수학교육학회
  4. Z. Nehari, "Conformal Mapping" (1952), Dover publications
  5. Bulent Nafi Ornek, "Sharpened forms of the Schwarz lemma on the boundary", 대한수학회보, 50(6), pp.2053~2059 (2013), 대한수학회
  6. R. Osserman, "A Sharp Schwarz Inequality on the boundary", Proc. Amer. Math. Soc, 128, pp.3513~3517 (2000)
  7. H. Silverman, "Complex Variables" (1975), Houghton Miflin

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