Research papers

Strongly regular graphs with parameters $(243,66,9,21)$ is not edge symmetric

A. A. Tokbaeva

Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences

Abstract: The early possible usages and subgraphs of motionless points of automorphisms of strongly regular graphs with parameters $(243,66,9,21)$ have been found. In this work it is proved that this graphs is not rid symmetric.

Keywords: strongly regular graphs, group of automorphisms.

UDC: 519.17, 512.54

MSC: 20B15

Received June 5, 2010, published August 2, 2010

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