Combinatorial Theory

Inhaltsverzeichnis

• Critical perfect systems of difference sets with the minimum start.
• Some aspects of coding theory between probability, algebra, combinatorics and complexity theory.
• Generalized SCHUR numbers.
• Description of spherically invariant random processes by means of g-functions.
• Geometries for the mathieu group M12.
• Orbits and enumeration.
• Pictures and skew (reverse) plane partitions.
• A canonical partition theorem for chains in regular trees.
• Incidence algebras, exponential formulas and unipotent groups.
• On irreducible translation planes in odd characteristic, I.
• The equivalence classes of the Vasil'ev codes of length 15.
• On the new projective planes of R. Figueroa.
• Counting symmetry classes of functions by weight and automorphism group.
• Quadruple systems over Zp admitting the affine group.
• Arcs and ovals in steiner triple systems.
• On dedekind numbers.
• Regular sets and quasi-symmetric 2-designs.
• Asymptotic 0–1 laws in combinatorics.
• Generalized block designs as approximations for optimal coverings.
• A graphic theory of associativity and wordchain patterns.
• Elusive properties.