English

On building 4-critical plane and projective plane multiwheels from odd wheels

Combinatorics 2012-02-23 v1

Abstract

We build unbounded classes of plane and projective plane multiwheels that are 4-critical that are received summing odd wheels as edge sums modulo two. These classes can be considered as ascending from single common graph that can be received as edge sum modulo two of the octahedron graph O and the minimal wheel W3. All graphs of these classes belong to 2n-2-edges-class of graphs, among which are those that quadrangulate projective plane, i.e., graphs from Gr\"otzsch class, received applying Mycielski's Construction to odd cycle.

Keywords

Cite

@article{arxiv.1202.4862,
  title  = {On building 4-critical plane and projective plane multiwheels from odd wheels},
  author = {Dainis Zeps},
  journal= {arXiv preprint arXiv:1202.4862},
  year   = {2012}
}

Comments

10 pages

R2 v1 2026-06-21T20:23:19.764Z