The centipede is determined by its Laplacian spectrum

The centralizer of two numbers under the natural action of $S_k$ on [k], the maximal parabolic subgroup of $S_k$, and generalized patterns

The characteristic quasi-polynomials of the arrangements of root systems and mid-hyperplane arrangements

The Charney-Davis conjecture for certain subdivisions of spheres

The Chooser-Picker 7-in-a-row-game

The chromatic gap and its extremes

The chromatic number of almost stable Kneser hypergraphs

The chromatic number of the convex segment disjointness graph

The chromatic numbers of double coverings of a graph

The chromatic polynomial of fatgraphs and its categorification

The chromatic spectrum of 3-uniform bi-hypergraphs

The chromatic thresholds of graphs

The Circuit Polynomial of the Restricted Rooted Product G(Gamma) of Graphs with a Bipartite Core G

The circular $k$-partite crossing number of $K_{m,n}$

The Circular Chromatic Number of the Mycielskian of Mt(Kn)

The classical umbral calculus: Sheffer sequences

The Classification of Circulant Weighing Matrices of Weight 16 and Odd Order

The classification of finite and locally finite connected-homogeneous digraphs

The classification of flag-transitive Steiner 3-designs

The Classification of Flag-transitive Steiner 4-Designs