Geodesic

Sommaire du Fascicule no. 1

The descent monomials and a basis for the diagonally symmetric polynomials
p. 5-16
Conjectures on the quotient ring by diagonal invariants
p. 17-76
Non-Cayley vertex-transitive graphs of order twice the product of two odd primes
p. 77-111
Cyclic arcs in $PG(2,q)$
p. 113-128

Sommaire du Fascicule no. 2

A construction of difference sets in high exponent 2-groups using representation theory
p. 137-151
$\ell\sb 1$-rigid graphs
p. 153-175
Completely regular designs of strength one
p. 177-185
Hilbert series of group representations and Gröbner bases for generic modules
p. 187-206
On the Newton polytope of the resultant
p. 207-236

Sommaire du Fascicule no. 3

Spin models on finite cyclic groups
p. 243-259
Partition lattice $q$-analogs related to $q$-Stirling numbers
p. 261-283
Basis-transitive matroids
p. 285-290
$q$-hypergeometric series and Macdonald functions
p. 291-305
Automorphisms and isomorphisms of symmetric and affine designs
p. 307-338

Sommaire du Fascicule no. 4

1/2-transitive graphs of order $3p$
p. 347-355
Duality of graded graphs
p. 357-404
Projective planes of order $q$ whose collineation groups have order $q\sp 2$
p. 405-425