Cocompact Proper CAT(0) Spaces

Codes in spherical caps

Cohomological approach to asymptotic dimension

Coincidence isometries of a shifted square lattice

Coincidence rotations of the root lattice $A_4$

Coincidence site modules in 3-space

Coincidences in 4 dimensions

Coincidences of Hypercubic Lattices in 4 dimensions

Coincidences of simplex centers and related facial structures

Colourings of lattices and coincidence site lattices

Combinatorial Space Tiling

Combining Globally Rigid Frameworks

Compact hyperbolic Coxeter n-polytopes with n+3 facets

Compact packings of the plane with two sizes of discs

Compact Widts in Metric Trees

Compactness and Measures of Noncompactness in Metric Trees

Compactness Theorems for Geometric Packings

Comparison of f-vectors of Random Polytopes to the Gaussian Distribution

Comparison of geometric figures

Complexity and algorithms for computing Voronoi cells of lattices