AbstractIt is known that the designs PGn-1(n,q) in some cases have spreads of maximal α-arcs. Here a α-arc is a non-empty subset of points that meets every hyperplane in 0 or α points. The situation for designs in general is not so well known. This paper establishes an equivalence between the existence of a spread of α-arcs in the complement of a Hadamard design and the existence of an affine design and a symmetric design which is also the complement of a Hadamard design
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
AbstractWe establish that for all s, there exists a design with parameters (s2,3,2) such that the po...
AbstractIt is known that the designs PGn-1(n,q) in some cases have spreads of maximal α-arcs. Here a...
A non-empty subset of points of a symmetric 2 - (v, k, λ) design is a λ-arc if it meets every block ...
The resolutions and maximal sets of compatible resolutions of all 2-(120,8,1) designs arising from m...
The resolutions and maximal sets of compatible resolutions of all 2-(120,8,1) designs arising from m...
A line of a design is the intersection of all the blocks on two points. There is an upper bound on t...
AbstractA line of a design is the intersection of all the blocks on two points. There is an upper bo...
AbstractIn this paper, we give constructions for various types of designs using maximal arcs in proj...
AbstractRahilly [On the line structure of designs, Discrete Math. 92 (1991) 291–303] described a con...
Rahilly [On the line structure of designs, Discrete Math. 92 (1991) 291–303] described a constructio...
This is one of several papers published in Designs, Codes and Cryptographycomprising the “Special Is...
The existence of maximal arcs of a certain type in symmetric designs is shown to yield semiregular g...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
AbstractWe establish that for all s, there exists a design with parameters (s2,3,2) such that the po...
AbstractIt is known that the designs PGn-1(n,q) in some cases have spreads of maximal α-arcs. Here a...
A non-empty subset of points of a symmetric 2 - (v, k, λ) design is a λ-arc if it meets every block ...
The resolutions and maximal sets of compatible resolutions of all 2-(120,8,1) designs arising from m...
The resolutions and maximal sets of compatible resolutions of all 2-(120,8,1) designs arising from m...
A line of a design is the intersection of all the blocks on two points. There is an upper bound on t...
AbstractA line of a design is the intersection of all the blocks on two points. There is an upper bo...
AbstractIn this paper, we give constructions for various types of designs using maximal arcs in proj...
AbstractRahilly [On the line structure of designs, Discrete Math. 92 (1991) 291–303] described a con...
Rahilly [On the line structure of designs, Discrete Math. 92 (1991) 291–303] described a constructio...
This is one of several papers published in Designs, Codes and Cryptographycomprising the “Special Is...
The existence of maximal arcs of a certain type in symmetric designs is shown to yield semiregular g...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
An investigation of an open case of the famous conjecture made by Hamada \cite{Hamada1} is carried o...
AbstractWe establish that for all s, there exists a design with parameters (s2,3,2) such that the po...
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