On the adjugate of a (0,-1,1) incidence matrix

zbMath0545.05020MaRDI QIDQ797590

P. N. Dandawate, M. N. Vartak, G. A. Patwardhan

Publication date: 1984

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

zbMATH Keywords

incidence matrix2-adjugate matrixbalanced orthogonal designs

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Matrices of integers (15B36)

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