Mathematics – Combinatorics
Scientific paper
2005-03-11
Mathematics
Combinatorics
17 pages, 13 figures
Scientific paper
We prove that the neighborly cubical polytopes studied by G"unter M. Ziegler and the first author arise as a special case of neighborly cubical spheres constructed by Babson, Billera, and Chan. By relating the two constructions we obtain an explicit description of a non-polytopal neighborly cubical sphere and, further, a new proof of the fact that the cubical equivelar surfaces of McMullen, Schulz, and Wills can be embedded into R^3.
Joswig Michael
Schr"oder Thilo
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