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05-XX Combinatorics
05Bxx Designs and configurations
05B30 Other designs, configurations

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Displaying 1 – 6 of 6

Improvement of inequalities for the $(r, q)$ -structures and some geometrical connections

Vojtech Bálint, Philippe Lauron (1995)

Archivum Mathematicum

The main results are the inequalities (1) and (6) for the minimal number of $(r, q)$ -structure classes,which improve the ones from [3], and also some geometrical connections, especially the inequality (13).

Inequalities for t-Designs with Repeated Blocks.

N.S. Mendelsohn, Y.S. Ho (1974)

Aequationes mathematicae

Inklusions- und Abstimmungssysteme.

Arnold Neumaier (1975)

Mathematische Zeitschrift

Intersection Triangles and Block Intersection Numbers of Steiner Systems.

Benedict H. Gross (1974)

Mathematische Zeitschrift

i-perfect m-cycle systems, m...19.

Peter Adams, Darryn E. Bryant (1997)

Aequationes mathematicae

Isonemality and mononemality of woven fabrics

Bohdan Zelinka (1983)

Aplikace matematiky

The paper studies the diagrams of woven fabrics consisting of white and black squares as geometrical objects and described their symmetries. The concepts of isonemality and mononemality due to B. Grünbaum and G. C. Shephard are used. A conjecture of these authors is proved in a particular case.

Currently displaying 1 – 6 of 6