Category
page 2Algebraic topology
fundamental class
homology class associated to an oriented closed manifold
real projective space
type of topological space
homotopy extension property
property in algebraic topology
Aspherical space
concept in topology
Esquisse d'un programme
research proposal by A. Grothendieck
chain
homogeneous element of a chain complex; a formal linear combination of simplexes (or other generators of the chain complex)