Closed 1-Forms in Topology and Geometric Group Theory

Closed manifolds coming from Artinian complete intersections

Closed Model Categories for Presheaves of Simplicial Groupoids and Presheaves of 2-Groupoids

Closed symmetric monoidal structure and flow

Co-H-spaces and almost localization

Co-rings over operads characterize morphisms

Coarse homology theories

Coarse topology, enlargeability, and essentialness

Cobordism categories of manifolds with corners

Cobordism group of Morse functions on unoriented surfaces

Cobordism independence of Grassmann manifolds

Cobordism of involutions revisited, revisited

Cobordism realizations of Thom polynomials of singularities

Cobordisms with chronologies and a generalisation of the Khovanov complex

Cobounding odd cycle colorings

Cochain algebras of mapping spaces and finite group actions

Cochains and Homotopy Type

Cocycle categories

Cofibrance and Completion

Cofibrations in Homotopy Theory