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A generalized Hurwitz metric

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In 2016, the Hurwitz metric was introduced by D. Minda in arbitrary proper subdomains of the complex plane and he proved that this metric coincides with the Poincar\'e's hyperbolic metric when the domains are simply connected. In this paper, we provide an alternate definition of the Hurwitz metric through which we could define a generalized Hurwitz metric in arbitrary subdomains of the complex plane. This paper mainly highlights various important properties of the Hurwitz metric and the generalized metric including the situations where they coincide with each other.

Abstract

In 2016, the Hurwitz metric was introduced by D. Minda in arbitrary proper subdomains of the complex plane and he proved that this metric coincides with the Poincar\'e's hyperbolic metric when the domains are simply connected. In this paper, we provide an alternate definition of the Hurwitz metric through which we could define a generalized Hurwitz metric in arbitrary subdomains of the complex plane. This paper mainly highlights various important properties of the Hurwitz metric and the generalized metric including the situations where they coincide with each other.

참고문헌 (9)

  1. D. Burago, "A course in metric geometry" (2001), American Mathematical Society
  2. Kyong T. Hahn, "Some remarks on a new pseudo-differential metric", Annales Polonici Mathematici, 39(1), pp.71~81 (1981), Institute of Mathematics, Polish Academy of Sciences[DOI]
  3. A. Hurwitz, "Uher die Anwendung der elliptischen Modulfunktionen auf einen Satz der allgemeinen, Funktionentheorie", Vierteljahrschr. Naturforsch. Gesell. Zurich, 49, pp.242~253 (1904)
  4. L. Keen, "In the tradition of Ahlfors-Bers. IV", pp.107~118 (2007), Amer. Math. Soc
  5. L. Keen, "Hyperbolic geometry from a local viewpoint" (2007), Cambridge University Press
  6. C. D. Minda, "The Hahn metric on Riemann surfaces", Kodai Math. J, 6(1), pp.57~69 (1983)
  7. David Minda, "The Hurwitz Metric", Complex Analysis and Operator Theory, 10(1), pp.13~27 (2016), Springer Science and Business Media LLC[DOI]
  8. Z. Nehari, "Conformal Mapping" (1952), McGraw-Hill Book Co., Inc
  9. K. Tavakoli, "Coincidence of hyperbolic and generalized Kobayashi densities on plane domains", Ann. Acad. Sci. Fenn. Math, 34(2), pp.347~351 (2009)

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