Volumen 2, 1996, Número 2





BOLETÍN DE LA SMM

3a. Serie Volumen 2 Número 2, 1996

 

CONTENIDO/CONTENTS


ARTÍCULOS DE INVESTIGACIÓN/

RESEARCH ARTICLES

Some upper bounds for composition numbers

Paul Y. Yiu
65
A method to generate upper bounds for the sums of squares formulae problem

Adolfo Sánchez-Flores
79
A note on a theorem of D. Mumford

George Kempf.
93
Chow varieties of abelian varieties

E. Javier Elizondo and Richard M. Hain
95
Varieties and induction

Jon F. Carlson
101
Irreducible components and isolated points in the branch locus of the moduli space of smooth curves

Esteban Gómez González
115
Intersection dynamics on Grassmann manifolds

Ernesto Rosales-González
129
The spreading models of the space (J)=((j)(+)(j)(+)...)l2

Helga Fetter and Berta Gamboa de Buen
139