EUDML | The fundamental group of balanced simplicial complexes and posets.

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Displaying similar documents to “The fundamental group of balanced simplicial complexes and posets.”

A uniform approach to complexes arising from forests.

Marietti, Mario, Testa, Damiano (2008)

The Electronic Journal of Combinatorics [electronic only]

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On the center of the fundamental group of the complement of a hyperplane arrangement.

Cordovil, Raul (1994)

Portugaliae Mathematica

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Face vectors of two-dimensional Buchsbaum complexes.

Murai, Satoshi (2009)

The Electronic Journal of Combinatorics [electronic only]

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Positively curved combinatorial 3-manifolds.

Trout, Aaron (2010)

The Electronic Journal of Combinatorics [electronic only]

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The collapsibility of hexagon 2-complexes with the 12-property.

Lazăr, Ioana-Claudia (2011)

Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică

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On the connectivity of skeletons of pseudomanifolds with boundary

R. Ayala, M. J. Chávez, Alberto Márquez, Antonio Quintero (2002)

Mathematica Bohemica

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In this note we show that $1$ -skeletons and $2$ -skeletons of $n$ -pseudomanifolds with full boundary are $(n + 1)$ -connected graphs and $n$ -connected $2$ -complexes, respectively. This generalizes previous results due to Barnette and Woon.

Coxeter-like complexes.

Babson, Eric, Reiner, Victor (2004)

Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]

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Vertex-facet incidences of unbounded polyhedra.

Joswig, Michael, Kaibel, Volker, Pfetsch, Marc E., Ziegler, Günter M. (2001)

Advances in Geometry

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A combinatorial proof of a formula for Betti numbers of a stacked polytope.

Choi, Suyoung, Kim, Jang Soo (2010)

The Electronic Journal of Combinatorics [electronic only]

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