Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4646974 | Discrete Mathematics | 2015 | 9 Pages |
Abstract
It is proved that if two graphs of order nn have n−pn−p cards (vertex-deleted subgraphs) in common, where p⩾3p⩾3, and nn is large enough compared with pp, then the numbers of edges in the two graphs differ by at most p−2p−2. This is a modest but nontrivial improvement of the easy result that these numbers differ by at most pp.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Douglas R. Woodall,