Closed curves in R^3: a characterization in terms of curvature and torsion, the Hasimoto map and periodic solutions of the Filament Equation

Closed forms and multi-moment maps

Closed geodesics in Alexandrov spaces of curvature bounded from above

Closed Geodesics in Lorentzian Surfaces

Closed Geodesics on Compact Nilmanifolds with Chevalley Rational Structure

Closed geodesics on orbifolds

Closed geodesics on positively curved Finsler spheres

Closed hypersurfaces of prescribed mean curvature in locally conformally flat Riemannian manifolds

Closed Loop Solitons and Sigma Functions: Classical and Quantized Elasticas with Genera One and Two

Closed Magnetic Geodesics on $S^2$

Closed magnetic geodesics on closed hyperbolic Riemann surfaces

Closed manifolds admitting metrics with the same geodesics

Closed orbits of gradient flows and logarithms of non-abelian Witt vectors

Closed planar curves without inflections

Closed self-shrinking surfaces in R^3 via the torus

Closed similarity lorentzian affine manifolds

Closed surfaces with bounds on their Willmore energy

Closed Timelike Curves in Flat Lorentz Spacetimes

Closed trajectories of a particle model on null curves in anti-de Sitter 3-space

Closed Weingarten hypersurfaces in semi-riemannian manifolds