Recent progress in algebraic design theory Page 1 Finite Fields and Their Applications 11 (2005)
622–653 http://www.elsevier.com/locate/ffa PG1- Recent progress in algebraic design theory …

A new notion of bent sequence related to Hadamard matrices was introduced recently,
motivated by a security application (Solé et al. 2021). In this paper we introduce the …

Symmetric Bush-Type Hadamard Matrices of Order <tex-math>$4m^4$</tex-math> Exist for
All Odd m Page 1 PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY Volume …

A new notion of bent sequence related to Hadamard matrices was introduced recently,
motivated by a security application (Solé, et al., 2021). The authors study the self-dual class …

A symmetric (v, k,*) design can be described as a square v_v (0, 1)-matrix with constant row
sum equal to k and constant scalar product of pairs of rows equal to*. A Hadamard matrix of …

Abstract Abstact: A symmetric 2‐(100, 45, 20) design is constructed that admits a tactical
decomposition into 10 point and block classes of size 10 such that every point is in either 0 …

Abstract A symmetric 2-(324, 153, 72) design is constructed that admits a tactical
decomposition into 18 point and block classes of size 18 such that every point is in either 0 …

If an incidence matrix N of a symmetric design is such that N+ Nt is a (0, 1) matrix, then N is
an adjacency matrix of a doubly regular asymmetric digraph, and vice versa. We construct …

A block negacyclic Bush-type Hadamard matrix of order 36 is used in a symmetric BGW (26,
25, 24) with zero diagonal over a cyclic group of order 12 to construct a twin strongly regular …

Abstract A graph is $3 $-ec if for every $3 $-element subset $ S $ of the vertices, and for
every subset $ T $ of $ S $, there is a vertex not in $ S $ which is joined to every vertex in $ T …