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Article
Neighborly Cubical Polytopes
Neighborly cubical polytopes exist: for any n≥ d≥ 2r+2 , there is a cubical convex d -polytope C d n whose r -skeleton is combinatorially ...
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Article
An Essay on the Ree Octagons
We coordinatize the Moufang generalized octagons arising from the Ree groups of type 2 F 4. In this way, we obtain a very concrete and explicit description of these octagons. We use this to prove some results on ...