Structure and uniqueness of the (81, 20, 1, 6) strongly regular graph

A.E. Brouwer; W.H. Haemers

doi:10.1016/0012-365X(92)90532-K

Structure and uniqueness of the (81, 20, 1, 6) strongly regular graph

A.E. Brouwer, W.H. Haemers

Discrete Algebra and Geometry

Research output: Contribution to journal › Article › Academic › peer-review

24 Citations (Scopus)

Abstract

We prove that there is a unique graph (on 81 vertices) with spectrum 201260(-7)20. We give several descriptions of this graph, and study its structure.

Original language	English
Pages (from-to)	77-82
Number of pages	6
Journal	Discrete Mathematics
Volume	106-107
Issue number	1
DOIs	https://doi.org/10.1016/0012-365X(92)90532-K
Publication status	Published - 1992

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title = "Structure and uniqueness of the (81, 20, 1, 6) strongly regular graph",

abstract = "We prove that there is a unique graph (on 81 vertices) with spectrum 201260(-7)20. We give several descriptions of this graph, and study its structure.",

author = "A.E. Brouwer and W.H. Haemers",

year = "1992",

doi = "10.1016/0012-365X(92)90532-K",

language = "English",

volume = "106-107",

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AU - Haemers, W.H.

PY - 1992

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N2 - We prove that there is a unique graph (on 81 vertices) with spectrum 201260(-7)20. We give several descriptions of this graph, and study its structure.

AB - We prove that there is a unique graph (on 81 vertices) with spectrum 201260(-7)20. We give several descriptions of this graph, and study its structure.

U2 - 10.1016/0012-365X(92)90532-K

DO - 10.1016/0012-365X(92)90532-K

M3 - Article

SN - 0012-365X

VL - 106-107

SP - 77

EP - 82

JO - Discrete Mathematics

JF - Discrete Mathematics

IS - 1

ER -

Structure and uniqueness of the (81, 20, 1, 6) strongly regular graph

Abstract

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