Conditions for singular incidence matrices

DOI10.1007/s10801-005-6907-zzbMath1062.05024OpenAlexW1993388338MaRDI QIDQ1781814

Willem H. Haemers

Publication date: 8 June 2005

Published in: Journal of Algebraic Combinatorics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10801-005-6907-z

zbMATH Keywords

distance-regular graphdivisible designgeneralised polygonBruck-Ryser-Chowla theorem

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Association schemes, strongly regular graphs (05E30)

Related Items

On symmetric transversal designs STD\(_8[24; 3\)'s], An essay on self-dual generalized quadrangles, On \(STD_{\frac{k}{3}}[k;3\)'s]

Cites Work

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• Self-dual, not self-polar
• Quasi-symmetric designs related to the triangular graph
• Non-Existence of Some Unsymmetrical Partially Balanced Incomplete Block Designs
• Combinatorial Properties of Group Divisible Incomplete Block Designs