Volume 10, Number 1, 1990
: A lower bound for the recognition of digraph properties.
Michel Las Vergnas
: An upper bound for the number of Eulerian orientations of a regular graph.
Alexander A. Razborov
: Applications of matrix methods to the theory of lower bounds in computational complexity.
: Infinite spectra in the first order theory of graphs.
Volume 10, Number 2, 1990
: Geometric methods in the study of irregularities of distribution.
Volume 10, Number 3, 1990
: On low-dimensional faces that high-dimensional polytopes must have.
: Tiling of polygons with similar triangles.
Volume 10, Number 4, 1990
: The maximum number of Hamiltonian paths in tournaments.
Brendan D. McKay
: The asymptotic numbers of regular tournaments, Eulerian digraphs and Eulerian oriented graphs.
: Solution of an extremal problem for sets using resultants of polynomials.