IJPAM: Volume 70, No. 5 (2011)
COMPUTES THE -RANK OF SOME ?
Department of Mathematics
University of Trento
38 123 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: [email protected]
Abstract. Let be an integral and projective variety. For any the -rank of is the minimal cardinality of a set such that ; any such with minimal cardinality is said to compute the -rank of . Fix . Here we give onditions on and which imply the existence of such that compute the -rank of .
Received: March 12, 2011
AMS Subject Classification: 14N05
Key Words and Phrases: -rank
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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395