paper

Disconnecting strongly regular graphs

arXiv:1311.5634 · doi:10.1016/j.ejc.2013.10.008

Abstract

In this paper, we show that the minimum number of vertices whose removal disconnects a connected strongly regular graph into non-singleton components, equals the size of the neighborhood of an edge for many graphs. These include blocks graphs of Steiner -designs, many Latin square graphs and strongly regular graphs whose intersection parameters are at most a quarter of their valency.

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