In geometry, a simplicial polytope is a polytope whose facets are all simplices.
For example, a simplicial polyhedron in 3 dimensions contains only triangular faces and corresponds via Steinitz's theorem to a maximal planar graph.
They are topologically dual to simple polytopes. Polytopes which are both simple and simplicial are either simplices or two-dimensional polygons.
Simplicial polyhedra include:
Simplicial tilings:
Simplicial 4-polytopes include:
Simplicial higher polytope families: