Sommaire

Tough Ramsey graphs without short cycles
p. 189-195
A note on varieties of groupoids arising from $m$-cycle systems
p. 197-200
Splitting the square of a Schur function into its symmetric and antisymmetric parts
p. 201-231
Polygon posets and the weak order of Coxeter groups
p. 233-252
On generators of the module of logarithmic 1-forms with poles along an arrangement
p. 253-269