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On the Dual of Projective Varieties

Published online by Cambridge University Press:  20 November 2018

E. Ballico
E. Ballico*
Affiliation:
Department of Mathematics, University of Trento, 38050 Povo (TN), Italy e-mail: ballico@itncisca (bitnet) itnvax:iballico (decnet) fax: Italy + 461881624
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Abstract

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Here we give examples and classifications of varieties with strange behaviour for the enumeration of contacts (answering a question raised by Fulton, Kleiman, MacPherson). Then we give upper and lower bounds (in terms of the degree) for the non-zero ranks of a projective variety.

Keywords

14N0514N10
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 34 , Issue 4 , 01 December 1991 , pp. 433 - 439
Copyright
Copyright © Canadian Mathematical Society 1991

References

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