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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: convex polyhedron with almost all faces regular
Replies: 6   Last Post: Dec 6, 2012 5:43 PM

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Brian Q. Hutchings

Posts: 3,930
Registered: 12/6/04
Re: convex polyhedron with almost all faces regular
Posted: Dec 5, 2012 6:18 PM
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didn't Lagrange have a theorem about the rigidity
of polyhedra?... that is to say,
given the rigidity of the facets, themselves
being hinged; only the deltahedra are rigid,
maed only out of jointed edges.

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