Counting faces of randomly-projected polytopes when the projection radically lowers dimension

Counting the Faces of Randomly-Projected Hypercubes and Orthants, with Applications

Coupling of fast and Alfven modes in realistic magnetospheric geometries

Covariogram of non-convex sets

Covering convex bodies by cylinders and lattice points by flats

Covering Large Balls with Convex Sets in Spherical Space

Covering numbers and ``low $M^{*}$-estimate'' for quasi-convex bodies

Covering R-trees

Covering R-trees, R-free groups, and dendrites

Covering shadows with a smaller volume

Covering spheres with spheres

Coxeter Decompositions of Bounded Hyperbolic Pyramids and Triangular Prisms

Coxeter decompositions of hyperbolic simplices

Coxeter polytopes with a unique pair of non-intersecting facets

Cremona Convexity, Frame Convexity, and a Theorem of Santaló

Critical potentials of the eigenvalues and eigenvalue gaps of Schrödinger operators

Critical values and level sets of distance functions in Riemannian, Alexandrov and Minkowski spaces

Crystal Frameworks, Matrix-valued Functions and Rigidity Operators

Cubic Polyhedra

Curvature bounded below: a definition a la Berg--Nikolaev