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Curves whose secant degree is one in positive characteristic

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Author(s): E. Ballico

Journal: Acta Mathematica Universitatis Comenianae
ISSN 0862-9544

Volume: LXXXI;
Issue: 1;
Start page: 71;
Date: 2012;
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Keywords: Join | secant variety | rational normal curve

ABSTRACT
Here we study (in positive characteristic) integral curves X &#204 Pr with secant degree one, i.e.,for which a general P &#206 Seck-1(X) is in a unique k-secant (k - 1)-dimensional linear subspace.
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