Volume 219, Number 1-3, May 2000
Bruce N. Cooperstein
: A combinatorial construction of a graph with automorphism group SO+(2n, 2).
: On generalized Tribonacci sequences and additive partitions.
: Lower bounds for q-ary codes of covering radius one.
: Lower and upper bounds on the total weight of semi-rich acyclic arrangements of oriented lines in the plane.
: Feedback functions for generating cycles over a finite alphabet.
: A Fan-type condition for claw-free graphs to be Hamiltonian.
: On the blocking sets in S(3, 6, 22) and S(4, 7, 23).
Keith J. Edwards
: Achromatic number versus pseudoachromatic number: a counterexample to a conjecture of Hedetniemi.