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Cellularization in Algebra and Topology

Emmanuel Dror Farjoun (Hebrew University of Jerusalem, Israel)

Summary:

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.

Date and place:

Thursday, April 26, 2007, 2 pm, anfiteatro MICA (Departamento de Matemática)
 
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