Geodesic
Corrigendum for "Weierstrass Points with first Non-Gap four on a Double Covering of a Hyperelliptic Curve"
Serdica Mathematical Journal, Tome 32 (2006) no. 4, pp. 375-378.

Voir la notice de l'article provenant de la source Bulgarian Digital Mathematics Library

In the proof of Lemma 3.1 in [1] we need to show that we may take the two points p and q with p ≠ q such that p+q+(b-2)g21(C′)∼2(q1+… +qb-1) where q1,…,qb-1 are points of C′, but in the paper [1] we did not show that p ≠ q. Moreover, we hadn't been able to prove this using the method of our paper [1]. So we must add some more assumption to Lemma 3.1 and rewrite the statements of our paper after Lemma 3.1. The following is the correct version of Lemma 3.1 in [1] with its proof.
Keywords: Weierstrass Points, Hyperelliptic Curve, Corrigendum 
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Komeda, Jiryo; Ohbuci, Akira. Corrigendum for "Weierstrass Points with first Non-Gap four on a Double Covering of a Hyperelliptic Curve". Serdica Mathematical Journal, Tome 32 (2006) no. 4, pp. 375-378. http://geodesic.mathdoc.fr/item/SMJ2_2006_32_4_a5/