J. Korean Math. Soc. 2005; 42(2): 335-351
Printed March 1, 2005
Copyright © The Korean Mathematical Society.
Takeshi Harui
Osaka University
This paper concerns the relation between the degree and the projective dimension of linear systems on curves. We generalize Clifford's theorem and its improvement by Coppens and G. Martens and classify the special curves for our problem, and estimate their gonality.
Keywords: linear system, special divisor, Clifford's theorem, gonality
MSC numbers: 14H51
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