Tome 91 (1994) no. 1

Sommaire

Kloosterman sums and monodromy of a p-adic hypergeometric equation
p. 1-36
On the field of definition of superspecial polarized abelian varieties and type numbers
p. 37-46
A problem of D. H. Lehmer and its generalization (II)
p. 47-56
Factorisation de certains morphismes birationnels
p. 57-66
Isotropic characteristic classes
p. 67-89
General elephants of ℚ-Fano 3-folds
p. 91-116