𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Counterexamples to Cyvin's conjecture

✍ Scribed by E. Keith Lloyd

Publisher
Springer
Year
1994
Tongue
English
Weight
166 KB
Volume
15
Category
Article
ISSN
0259-9791

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

On possible counterexamples to Negami's
On possible counterexamples to Negami's planar cover conjecture
✍ Petr HlinΔ›nΓ½; Robin Thomas πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 281 KB

## Abstract A simple graph **__H__** is a cover of a graph **__G__** if there exists a mapping Ο† from **__H__** onto **__G__** such that Ο† maps the neighbors of every vertex Ο… in **__H__** bijectively to the neighbors of Ο† (Ο…) in **__G__**. Negami conjectured in 1986 that a connected graph has a fi