Volume 82 (1992) no. 1

Table of contents

Mumford-Tate groups of mixed Hodge structures and the theorem of the fixed part
p. 1-24
Twistor spaces over the connected sum of 3 projective planes
p. 25-55
On order and metric convexities in Z n
p. 57-65
The Chow rings of smooth complete SL (2)-embeddings
p. 67-106
Perfect powers in arithmetical progression (II)
p. 107-117