New posts in polyhedra

How would you make a (physical) dodecahedron with edges instead of faces?

polyhedra solid-geometry

When is a polyhedron uniquely determined by its projections?

geometry convex-geometry polyhedra combinatorial-geometry polytopes

insphere/circumsphere ratio of a polyhedron the same as its dual polyhedron?

geometry polyhedra platonic-solids

Three-dimensional art galleries

geometry polyhedra visualization

Do there exist uniform triangular prisms with all vertices in $\mathbb Z^3$?

geometry polyhedra polytopes

Name of this polyhedron with 17 faces

geometry terminology polyhedra solid-geometry

What is the minimal isoperimetric ratio of a polyhedron with $5$ vertices?

optimization polyhedra solid-geometry

Rolling icosahedron Hamiltonian path

group-theory graph-theory recreational-mathematics polyhedra tiling

Volume of an Irregular Octahedron from edge lengths?

geometry volume polyhedra quadrilateral

Number of distinct nets of dual polyhedra

combinatorics computational-geometry polyhedra

How do you solve the system $Ax=b$ where $\|x\|_1 \leq \delta$ and $x \in \lbrace 0,1 \rbrace^n$?

systems-of-equations polyhedra integer-programming discrete-optimization integer-lattices

Prove that every ray is a polyhedron

linear-algebra convex-analysis linear-programming polyhedra

How many faces does the resulting polyhedron have?

geometry puzzle polyhedra

Chebyshev center = center of mass?

reference-request euclidean-geometry polyhedra

Possible all-Pentagon Polyhedra

geometry graph-theory recreational-mathematics polyhedra

What are the main ideas needed to prove that only $92$ Johnson solids exist?

polyhedra convex-geometry

How many $A_5$ are there inside $A_6$?

group-theory finite-groups polyhedra

How does this proof of the regular dodecahedron's existence fail?

geometry euclidean-geometry fake-proofs polyhedra platonic-solids

Platonic Solids

group-theory finite-groups polyhedra solid-geometry platonic-solids

Combinatorially equivalent polyhedra?

terminology polyhedra combinatorial-geometry