𝔖 Bobbio Scriptorium
✦   LIBER   ✦

An infinite number of plane figures with Heesch number two

✍ Scribed by Anne Fontaine


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
189 KB
Volume
57
Category
Article
ISSN
0097-3165

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πŸ“œ SIMILAR VOLUMES


An Infinite Series of Surfaces with Know
✍ Vladimir P. Korzhik πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 295 KB

The 1-chromatic number / 1 (S) of a surface S is the maximum chromatic number of all graphs which can be drawn on the surface so that each edge is crossed by no more than one other edge. It is proved that if 4n+3 is a prime number, n 0, then / 1 (N 8(2n+1) 2) =R(N 8(2n+1) 2) where R(S)=w 1 2 (9+-81&