Proceedings of the American Mathematical Society

Author(s): Gunther Cornelissen; Fumiharu Kato
Journal: Proc. Amer. Math. Soc. 132 (2004), 1937-1941.
MSC (2000): Primary 14H37, 14G22
Posted: January 30, 2004
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Abstract: A Mumford curve of genus $g \notin \{0,1,5,6,7,8 \}$ over a non-Archimedean valued field of characteristic

has at most $2 \sqrt{g} (\sqrt{g}+1)^2$ automorphisms. In this note, the unique family of curves that attains this bound, and its automorphism group, are determined.

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Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 14H37, 14G22

Gunther Cornelissen
Affiliation: Mathematisch Instituut, Universiteit Utrecht, Postbus 80.010, 3508 TA Utrecht, Nederland
Email: cornelis@math.uu.nl

Fumiharu Kato
Affiliation: Department of Mathematics, Faculty of Science, Kyoto University, Kyoto 606-8502, Japan
Email: kato@math.kyoto-u.ac.jp

DOI: 10.1090/S0002-9939-04-07379-4
PII: S 0002-9939(04)07379-4
Received by editor(s): December 21, 2000
Received by editor(s) in revised form: April 18, 2003
Posted: January 30, 2004
Additional Notes: This work was done when the first author was visiting Kyoto University. The main result of this paper answers positively a question posed by T. Sekiguchi during the 2000 Kinosaki Symposium on Algebraic Geometry
Communicated by: Michael Stillman
Copyright of article: Copyright 2004, American Mathematical Society

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