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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb., 2016 Volume 207, Number 4, Pages 3–14 (Mi sm8401)

This article is cited in 1 paper

Quasitoric manifolds and small covers over properly coloured polytopes: immersions and embeddings

D. Baralića, V. Grujićb

a Mathematical Institute of Serbian Academy of Sciences and Arts, Belgrade, Serbia
b Faculty of Mathematics, University of Belgrade, Serbia

Abstract: We construct small covers and quasitoric manifolds over $n$-dimensional simple polytopes which allow proper colourings of facets with $n$ colours. We calculate the Stiefel-Whitney classes of these manifolds as obstructions to immersions and embeddings into Euclidean spaces. The largest dimension required for embedding is achieved in the case $n$ is a power of two.
Bibliography: 11 titles.

Keywords: embeddings, quasitoric manifolds, simple polytopes, colourings, Stiefel-Whitney classes.

UDC: 515.164.6

MSC: 57N35, 52B12

Received: 08.07.2014 and 26.12.2015

DOI: 10.4213/sm8401


 English version:
Sbornik: Mathematics, 2016, 207:4, 479–489

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© Steklov Math. Inst. of RAS, 2024