Edge-regular graphs with regular cliques

We exhibit infinitely many examples of edge-regular graphs that have regular cliques and that are not strongly regular. This answers a question of Neumaier from 1981.

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Bibliographic Details
Main Authors: Greaves, Gary Royden Watson, Koolen, Jack H.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2019
Subjects:
Online Access:https://hdl.handle.net/10356/106437
http://hdl.handle.net/10220/47919
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Institution: Nanyang Technological University
Language: English