AbstractWe point out a generalization of the matrix equation NNT=(r− λ)I+λJ to t-designs with t>2 and derive extensions of Fisher's, Connor's, and Mann's inequalities for block designs
Various known and original inequalities concerning the structure of combinatorial designs are establ...
This paper investigates the structure of block designs with repeated blocks. Let the block design on...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
AbstractA t-design or generalized Steiner systemS(λ; t, k, υ) is a pair (X, B) with a υ-set X of poi...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
AbstractThe incidence matrix of a (υ, k, λ)-design is a (0, 1)-matrix A of order υ that satisfies th...
AbstractA t-design or generalized Steiner systemS(λ; t, k, υ) is a pair (X, B) with a υ-set X of poi...
AbstractThis paper investigates the structure of block designs with repeated blocks. Let the block d...
AbstractThis paper investigates the structure of block designs with repeated blocks. Let the block d...
AbstractIn this paper the incidence algebra for t-designs with automorphisms and the fundamental the...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
This paper investigates the structure of block designs with repeated blocks. Let the block design on...
Various known and original inequalities concerning the structure of combinatorial designs are establ...
This paper investigates the structure of block designs with repeated blocks. Let the block design on...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
AbstractA t-design or generalized Steiner systemS(λ; t, k, υ) is a pair (X, B) with a υ-set X of poi...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
AbstractThe incidence matrix of a (υ, k, λ)-design is a (0, 1)-matrix A of order υ that satisfies th...
AbstractA t-design or generalized Steiner systemS(λ; t, k, υ) is a pair (X, B) with a υ-set X of poi...
AbstractThis paper investigates the structure of block designs with repeated blocks. Let the block d...
AbstractThis paper investigates the structure of block designs with repeated blocks. Let the block d...
AbstractIn this paper the incidence algebra for t-designs with automorphisms and the fundamental the...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
A t-design or (Generalized Steiner System) S((lamda);t,k,v) is an incidence structure (X, B) with a ...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
This paper investigates the structure of block designs with repeated blocks. Let the block design on...
Various known and original inequalities concerning the structure of combinatorial designs are establ...
This paper investigates the structure of block designs with repeated blocks. Let the block design on...
Let S be an Sλ(t, t+1, v) with v>t+ 1 and let Rkp(S) be the rank over GF(p) of an incidence matrix o...
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