Volumen 6, 2000, Número 1





BOLETÍN DE LA SMM

3a. Serie Volumen 6 Número 1, 2000

 

CONTENIDO/CONTENTS


ARTÍCULO PANORÁMICO / SURVEY ARTICLE

Topological groups for topologists: Part II

M. G. Tkachenko
1


ARTÍCULOS DE INVESTIGACIÓN/

RESEARCH ARTICLES

Period matrix and the trigonal construction

L. Hidalgo-Solís
43
The Lie algebra of the pure braid group

M. A. Xicoténcatl
55
Inequalities for two-dimensional Hardy operators

Y. Rakotondratsimba
63
Filtering the coefficients of the [2 k]-series for Brown-Peterson homology

Jesús González.
73
Area minimizing surfaces in 3-manifolds

Max Neumann-Coto
81
An inequality between entropies of pseudogroups of holomorphic germs

X. Gómez-Mont and Bruno Wirtz
97
Estimation of the region of attraction of the origin of closed-loop linear systems with saturated linear controllers: A first harmonic approach

B. Aguirre, J. Alvarez-Ramírez and R. Suárez
111