Geodesic
A Note on Weierstrass Points
Canadian journal of mathematics, Tome 19 (1967) no. 1, pp. 268-272

Voir la notice de l'article provenant de la source Cambridge University Press

In (4) G. Lewittes proved some theorems connecting automorphisms of a compact Riemann surface with the Weierstrass points of the surface, and in (5) he applied these results to elliptic modular functions. We refer the reader to these papers for definitions and details. It is our purpose in this note to point out that these results are of a purely algebraic nature, valid in arbitrary algebraic function fields of one variable over algebraically closed ground fields (with an obvious restriction on the characteristic). We shall also make use of the calculation carried out in (5) to obtain a rather easy extension of a theorem proved in (6, p. 312). 
McQuillan, Donald L. A Note on Weierstrass Points. Canadian journal of mathematics, Tome 19 (1967) no. 1, pp. 268-272. doi: 10.4153/CJM-1967-018-8
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