Ramified coverings and Gaussian maps of smooth algebraic curves

Kodai Mathematical Journal

C. Keem¹  E. Ballico¹ 

关键词: algebraic curves;    Gaussian maps;    ramified covering;    ruled surfaces;   

DOI  :  10.2996/kmj/1111588038

学科分类：数学（综合）

来源: Tokyo Institute of Technology, Department of Mathematics

【 摘 要 】

References(12)We show the existence of special curves which are ramified coverings of irrational curves with surjective Wahl maps. We also show the failure of a key property of Gaussian maps in positive characteristic, i.e. the Gherardelli's lower bound for the rank of a Gaussian map.

【 授权许可】

Unknown