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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

Related topics

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Broader (1)

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

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
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… 
2016
2016
Optimality of pairwise blocked definitive screening designs
Definitive screening designs are a new class of three-level designs which are shown superior to the classical central composite… 
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
Construction of Minimal-Point Mixed-Level Screening Designs Using Conference Matrices
Screening designs are frequently used to identify active effects from a large number of factors. Small size designs are preferred… 
2007
2007
On the pivot structure for the weighing matrix W(12,11)
In the present article we concentrate our study on the growth problem for the weighing matrix W(12,11) and show that the unique W… 
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… 
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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