Functiones et approximatio 37.1

HENRYK IWANIEC
The sixtieth birthday of Jean-Marc Deshouillers

GAUTAMI BHOWMIK & JAN-CHRISTOPH SCHLAGE-PUCHTA
Natural boundaries of Dirichlet series

REGIS DE LA BRETECHE & GERALD TENENBAUM
Sommes d'exponentielles friables d'arguments rationnels

MIREILLE CAR & Luis H. GALLARDO
Waring's problem for polynomial biquadrates over a finite field of odd characteristic

HENRI COHEN, FRANCOIS DRESS & MOHAMED EL MARRAKI
Explicit estimates for summatory functions linked to the Möbius µ-function

CÉCILE DARTYGE & MIHÁLY SZALAY
Dominant residue classes concerning the summands of partitions