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Conference matrix

In mathematics, a conference matrix (also called a C-matrix) is a square matrix C with 0 on the diagonal and +1 and −1 off the diagonal, such that… 
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Related topics

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Broader (1)

Algebraic graph theory
Conference graphGraph (discrete mathematics)Quadratic residueSeidel adjacency matrix

Papers overview

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2018
2018
An exact extremal result for tournaments and 4-uniform hypergraphs
In this paper, we address the following problem due to Frankl and F\"uredi (1984). What is the maximum number of hyperedges in an… 
2017
2017
On the Construction of Conference Matrices of Order 10 and 14 from Coherent Configuration
2017
2017
Optimal projective packings from association schemes
We present the theory of equiangular tight frames (ETFs) from association schemes as a generalization of harmonic ETFs. This… 
2015
2015
Three-LeveL CreTan MaTriCes ConsTrUCTed via ConferenCe MaTriCes
N. A. Balonina, Dr. Sc., Tech., Professor, korbendfs@mail.ru M. B. Sergeeva, Dr. Sc., Tech., Professor, mbse@mail.ru Ofer Hadarb… 
2014
2014
Additional Runs in Three-level Screening Experiments Using Conference Matrices
2008
2008
New Results on the Parameterisation of Complex Hadamard Matrices
In this paper we provide an analytical procedure which leads to a system of (n − 2) 2 polynomial equations whose solutions give… 
2006
2006
Self-Dual Codes over F3 and Negacirculant Conference Matrices
Previously, self-dual codes ternary have been constructed from conference matrices. In this paper, we present codes constructed… 
2005
2005
Linear Codes and Conference Matrices
2004
2004
On the Minimum Weight of Codes over F5 Constructed from Certain Conference Matrices
In this paper, codes over F5 with parameters [36, 18, 12], [48, 24, 15], [60, 30, 18], [64, 32, 18] and [76, 38, 21] which… 
1993
1993
Semi-regular sets of matrices and applications
The concept of semi-regular sets of matrices was introduced by J. Seberry in "A new construction for Williamson-type matrices… 
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