On a class of rational cuspidal plane curves

Abstract

We obtain new examples and the complete list of the rational cuspidal plane curves $C$ with at least three cusps, one of which has multiplicity $\mathrm{deg}C-2$. It occurs that these curves are projectively rigid. We also discuss the general problem of projective rigidity of rational cuspidal plane curves.

LaTeX 30 pages, author-supplied DVI file available at http://www.math.duke.edu/preprints/95-00.dvi

References in corpus (1)

• On the number of singular points of plane curves

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