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math.CO2008★ 24 cited
Some combinatorial properties of flag simplicial pseudomanifolds and spheres
Christos A. Athanasiadis
A simplicial complex is called flag if all minimal nonfaces of have at most two elements. The following are proved: First, if is a flag simplicial pseudomanifold of dim…
math.CO2008★ 1 cited
On the graph-connectivity of skeleta of convex polytopes
Christos A. Athanasiadis
Given a -dimensional convex polytope and nonnegative integer not exceeding , let denote the simple graph on the node set of -dimensional faces of i…