NORTHEASTERN UNIVERSITY
MATHEMATICS DEPARTMENT
 
Geometry-Algebra-Singularities-Combinatorics 
Seminar
 
 
Generalized Enriques diagrams and a converse Zariski theorem 
 
 

Gérard Gonzalez-Sprinberg

(Université Joseph Fourier, Grenoble)
 
 

Northeastern University

509 Lake Hall

1:30 p.m., Tuesday, September 22, 1998

 
 
Abstract:  Enriques diagrams codify finite sequences of point blowing up and proximity relations. Graph characterizations of these relations give a converse Zariski theorem on regular characteristic cones, for toric equivariant blowing up in dimension higher than two. 
 
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