Derived subdivisions make every PL sphere polytopal.
Derived subdivisions make every PL sphere polytopal.
Ivan Izmestiev, Karim Adiprasito – 2013
Focus Area 2: Delaunay Geometry
We give a simple proof that some iterated derived subdivision of every PL sphere is combinatorially equivalent to the boundary of a simplicial polytope, thereby resolving a problem of Billera (personal communication).
Titel
Derived subdivisions make every PL sphere polytopal.