Element neighbourhoods in twofold triple systems |
| |
| Authors: | Charles J Colbourn Alexander Rosa |
| |
| Institution: | (1) Department of Computer Science, University of Waterloo, N2L 3G1 Waterloo, Ontario, Canada;(2) Department of Mathematical Sciences, McMaster University, L8S 4K1 Hamilton, Ontario, Canada |
| |
| Abstract: | The method of differences is used to establish that every 2-regular multigraph onv– 1 0,2 (mod 3) points occurs as the neighbourhood graph of an element in a twofold triple system of orderv, with two exceptions: C2 C3and C3C3.Dedicated to Professor Hanfried Lenz on the occasion of his seventieth birthday |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
