Central cohomology operations and K-theory

Central Extensions of Smooth 2-Groups and a Finite-Dimensional String 2-Group

Chains on suspension spectra

Changement de base pour les foncteurs Tor

Chaotic categories and equivariant classifying spaces

Characteristic classes for cohomology of split Hopf algebra extensions

Characteristic Classes for GO(2n,C)

Characteristic classes of $\ai$-algebras

Characteristic classes of complex hypersurfaces

Characteristic classes of spin surface bundles. Appliations of the Madsen-Weiss theory

Characteristic classes of transitive Lie algebroids. Categorical point of view

Characteristic varieties and Betti numbers of free abelian covers

Characteristic varieties of nilpotent groups and applications

Characterization of Line Arrangement for which the Fundamental Group of the Complement is a Direct Product of Free Groups

Characterizations of trivial maps in 3-dimensional real Milnor fibers

Characterizing algebraic stacks

Characterizing closed curves on Riemann surfaces via homology groups of coverings

Chen-Ruan Cohomology of cotangent orbifolds and Chas-Sullivan String Topology

Chern approximations for generalised group cohomology

Chern classes and generators