NORTHEASTERN UNIVERSITY
MATHEMATICS DEPARTMENT
 
Geometry-Algebra-Singularities-Combinatorics 
Seminar
 
 
Asymptotic Regularity and Seshadri constants 
 
 

Dale Cutkosky

(University of Missouri, visiting Northeastern)
 
 

Northeastern University

509 Lake Hall

1:30 p.m., Monday, February 7, 2000

 
 
Abstract: We consider the regularity of large powers of an ideal sheaf on projective space. The asymptotic regularity is the limit Lim I^n/n. This limit is the reciprical of the Seshadri constant of the blowup of I. We give an example showing that this number can be irrational. 
 
Home Web page:  Alexandru I. Suciu  Created: February 4, 2000   
Maintained by:  Hal Schenck  URL: http://www.math.neu.edu/~GASC/gas/dale.html