Mathematical Research Letters

Volume 7, Issue 1, January 2000 pp. 67-76.

Varieties without extra automorphisms~I: curves

Authors: Bjorn Poonen
Author institution: University of California, Berkeley

Summary: For any field $k$ and integer $g \ge 3$, we exhibit a curve $X$ over $k$ of genus $g$ such that $X$ has no non-trivial automorphisms over ${\overline{\F}}$.

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