Graphs with three eigenvalues and second largest eigenvalue at most 1

We classify the connected graphs with precisely three distinct eigenvalues and second largest eigenvalue at most 1.

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Bibliographic Details
Main Authors:	Cheng, Xi-Ming, Greaves, Gary Royden Watson, Koolen, Jack H.
Other Authors:	School of Physical and Mathematical Sciences
Format:	Article
Language:	English
Published:	2020
Subjects:	Science::Mathematics Three Distinct Eigenvalues Strongly Regular Graphs
Online Access:	https://hdl.handle.net/10356/144948
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Institution:	Nanyang Technological University
Language:	English

Description
Summary:	We classify the connected graphs with precisely three distinct eigenvalues and second largest eigenvalue at most 1.

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