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math.CO2024★ 1 cited
A characterization of complex Hadamard matrices appearing in families of MUB triplets
Ákos K. Matszangosz, Ferenc Szöllősi
It is shown that a normalized complex Hadamard matrix of order having three distinct columns, each containing at least one entry necessarily belongs to the transposed Four…
math.CO2023
A note on five dimensional kissing arrangements
Ferenc Szöllősi
The kissing number is the maximum number of pairwise non-overlapping unit spheres each touching a central unit sphere in the -dimensional Euclidean space. In this note we…
math.CO2012
The quaternary complex Hadamard matrices of orders 10, 12, and 14
Pekka H. J. Lampio, Ferenc Szöllősi, Patric R. J. Östergård
A complete classification of quaternary complex Hadamard matrices of orders 10, 12 and 14 is given, and a new parametrization scheme for obtaining new examples of affine parametric…