We give some new representations of the partial geometry pg(6, 6, 2), which was constructed by van Lint and Schrijver, show a connection with a strongly regular graph based on the ternary Golay code, and determine the automorphism group of the geometry.</p
The thesis is divided into three parts. The first part deals with the Erdös-Posa property of cycles....
AbstractWe introduce a theory of elation and translation semipartial geometries (SPG). Starting from...
We describe a construction of a partial geometry pg(9, 8, 4) based on binary words of length 9 and P...
AbstractWe give some new representations of the partial geometry pg(6, 6, 2), which was constructed ...
Twelve new strongly regular graphs with parameters (81, 30, 9, 12) are found as graphs invariant und...
In [A. Devillers, H. Van Maldeghem, Partial linear spaces built on hexagons, European J. Combin. 28 ...
In this article we generalize a theorem of Benson (J Algebra 15:443–454, 1970) for generalized quadr...
AbstractWe define four families of geometries with as point graph the graph — or its complement — of...
A brief review is given of the linear fractional subgroups of the Mathieu groups. The main part of t...
AbstractThe Hoffman and Singleton graph of degree 7 and girth 5 on 50 vertices is embedded in the pl...
AbstractThe values t= 1, 3, 5, 6, 9 satisfy the standard necessary conditions for existence of a gen...
AbstractTaylor's graph is a strongly regular graph that is the unique descendant of a certain regula...
Abstract. The general symplectic graph Sp(2ν, q) is introduced. It is shown that Sp(2ν, q) is strong...
The use of partial geometries to construct parity-check matrices for LDPC codes has resulte...
We determine all residually weakly primitive flag-transitive geometries for the groups PSL(2, 11) an...
The thesis is divided into three parts. The first part deals with the Erdös-Posa property of cycles....
AbstractWe introduce a theory of elation and translation semipartial geometries (SPG). Starting from...
We describe a construction of a partial geometry pg(9, 8, 4) based on binary words of length 9 and P...
AbstractWe give some new representations of the partial geometry pg(6, 6, 2), which was constructed ...
Twelve new strongly regular graphs with parameters (81, 30, 9, 12) are found as graphs invariant und...
In [A. Devillers, H. Van Maldeghem, Partial linear spaces built on hexagons, European J. Combin. 28 ...
In this article we generalize a theorem of Benson (J Algebra 15:443–454, 1970) for generalized quadr...
AbstractWe define four families of geometries with as point graph the graph — or its complement — of...
A brief review is given of the linear fractional subgroups of the Mathieu groups. The main part of t...
AbstractThe Hoffman and Singleton graph of degree 7 and girth 5 on 50 vertices is embedded in the pl...
AbstractThe values t= 1, 3, 5, 6, 9 satisfy the standard necessary conditions for existence of a gen...
AbstractTaylor's graph is a strongly regular graph that is the unique descendant of a certain regula...
Abstract. The general symplectic graph Sp(2ν, q) is introduced. It is shown that Sp(2ν, q) is strong...
The use of partial geometries to construct parity-check matrices for LDPC codes has resulte...
We determine all residually weakly primitive flag-transitive geometries for the groups PSL(2, 11) an...
The thesis is divided into three parts. The first part deals with the Erdös-Posa property of cycles....
AbstractWe introduce a theory of elation and translation semipartial geometries (SPG). Starting from...
We describe a construction of a partial geometry pg(9, 8, 4) based on binary words of length 9 and P...
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