A structure theorem for pseudomanifolds

Bagchi, Bhaskar ; Datta, Basudeb (1998) A structure theorem for pseudomanifolds Discrete Mathematics, 188 (1-3). pp. 41-60. ISSN 0012-365X

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00123...

Related URL: http://dx.doi.org/10.1016/S0012-365X(97)00273-2

Abstract

We introduce the notion of primitive pseudo-manifolds and prove that all pseudo-manifolds (without boundary) are built out of the primitive ones by a canonical procedure. This theory is used to explicitly determine and count all the pseudo-manifolds of dimension d ≥ 1 on at most d + 4 vertices. As a consequence, it turns out that their geometric realisations are either spheres or iterated suspensions of the real projective plane.

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