The Dehn invariants of the Bricard octahedra
The densest lattice in twenty-four dimensions
The discrete square peg problem
The DNA Inequality in Non-Convex Regions
The Double Bubble Problem on the Flat Two-Torus
The D_4 root system is not universally optimal
The effects of an expanding circumstellar dust shell on photospheric absorption line profiles
The Effects of Photometric Geometry on Spectral Reflectance
The Eigenvalue Problem for Linear and Affine Iterated Function Systems
The Elusive SR-21 Inner Cavity: Polarized Images Reveal that Submillimeter-Resolved Cavity is Not Present in the NIR
The equal tangents problem
The Erdos and Campbell-Staton conjectures about square packing
The Euclidean distortion of the lamplighter group
The Extremal Spheres Theorem
The extremal volume ellipsoids of convex bodies, their symmetry properties, and their determination in some special cases
The filling problem in the cube
The flip-graph of the 4-dimensional cube is connected
The Four Hagge Circles
The Four-Vertex Theorem, The Evolute, and The Decomposition of Polygons
The geodesic problem in quasimetric spaces