Colouring polytopic partitions in d

Michal Křížek

Mathematica Bohemica (2002)

  • Volume: 127, Issue: 2, page 251-264
  • ISSN: 0862-7959

Abstract

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We consider face-to-face partitions of bounded polytopes into convex polytopes in d for arbitrary d 1 and examine their colourability. In particular, we prove that the chromatic number of any simplicial partition does not exceed d + 1 . Partitions of polyhedra in 3 into pentahedra and hexahedra are 5 - and 6 -colourable, respectively. We show that the above numbers are attainable, i.e., in general, they cannot be reduced.

How to cite

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Křížek, Michal. "Colouring polytopic partitions in $\mathbb {R}^d$." Mathematica Bohemica 127.2 (2002): 251-264. <http://eudml.org/doc/249039>.

@article{Křížek2002,
abstract = {We consider face-to-face partitions of bounded polytopes into convex polytopes in $\mathbb \{R\}^d$ for arbitrary $d\ge 1$ and examine their colourability. In particular, we prove that the chromatic number of any simplicial partition does not exceed $d+1$. Partitions of polyhedra in $\mathbb \{R\}^3$ into pentahedra and hexahedra are $5$- and $6$-colourable, respectively. We show that the above numbers are attainable, i.e., in general, they cannot be reduced.},
author = {Křížek, Michal},
journal = {Mathematica Bohemica},
keywords = {colouring multidimensional maps; four colour theorem; chromatic number; tetrahedralization; convex polytopes; finite element methods; domain decomposition methods; parallel programming; combinatorial geometry; six colour conjecture; colouring multidimensional maps; four colour theorem; chromatic number; tetrahedralization; convex polytopes; finite element methods; domain decomposition methods; parallel programming; combinatorial geometry; six colour conjecture},
language = {eng},
number = {2},
pages = {251-264},
publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},
title = {Colouring polytopic partitions in $\mathbb \{R\}^d$},
url = {http://eudml.org/doc/249039},
volume = {127},
year = {2002},
}

TY - JOUR
AU - Křížek, Michal
TI - Colouring polytopic partitions in $\mathbb {R}^d$
JO - Mathematica Bohemica
PY - 2002
PB - Institute of Mathematics, Academy of Sciences of the Czech Republic
VL - 127
IS - 2
SP - 251
EP - 264
AB - We consider face-to-face partitions of bounded polytopes into convex polytopes in $\mathbb {R}^d$ for arbitrary $d\ge 1$ and examine their colourability. In particular, we prove that the chromatic number of any simplicial partition does not exceed $d+1$. Partitions of polyhedra in $\mathbb {R}^3$ into pentahedra and hexahedra are $5$- and $6$-colourable, respectively. We show that the above numbers are attainable, i.e., in general, they cannot be reduced.
LA - eng
KW - colouring multidimensional maps; four colour theorem; chromatic number; tetrahedralization; convex polytopes; finite element methods; domain decomposition methods; parallel programming; combinatorial geometry; six colour conjecture; colouring multidimensional maps; four colour theorem; chromatic number; tetrahedralization; convex polytopes; finite element methods; domain decomposition methods; parallel programming; combinatorial geometry; six colour conjecture
UR - http://eudml.org/doc/249039
ER -

References

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