Biswas, Indranil and Gadgil, Siddhartha and Sankaran, Parameswaran (2007) On theta characteristics of a compact Riemann surface. In: Bulletin Des Sciences Mathematiques, 131 (5). pp. 493-499.
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Abstract
Let /alpha be a nontrivial automorphism of a compact connected Riemann surface X of genus at least two. Assume that /alpha fixes each of the theta characteristics of X. We prove that X is hyperelliptic, and /alpha is the unique hyperelliptic involution of X.
Item Type: | Journal Article |
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Publication: | Bulletin Des Sciences Mathematiques |
Publisher: | Elsevier Masson SAS |
Additional Information: | The copyright belongs to Elsevier Masson SAS. |
Keywords: | Theta characteristic;Riemann surface;Automorphism |
Department/Centre: | Division of Physical & Mathematical Sciences > Mathematics |
Date Deposited: | 31 Jan 2008 |
Last Modified: | 19 Sep 2010 04:42 |
URI: | http://eprints.iisc.ac.in/id/eprint/12873 |
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