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Cellularization in Algebra and Topology

Emmanuel Dror Farjoun (Hebrew University of Jerusalem, Israel)


The talk will outline basic constructions and properties of cellular approximation, mostly in homological algebra, and group theory. Cellular approximation attempts to examine spaces or groups by constructing "approximations" using a chosen group or space such as the spheres or a given finite group, or a give chain complex. Thus taking the subgroup generated by torsion elements is an example. So are canonical central extensions and the usual (spherical) CW-approximation.

Data e local:

Quinta-feira, 26 de Abril de 2007, 14h, anfiteatro MICA (Departamento de Matemática)

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