I N S T I T U T
D B S H A U T E S E T U D E S S C I E N T I F I Q U E S
VARIATIONAL PROBLEMS FOR RIEMANNIAN FUNCTIONALS
AND ARITHMETIC GROUPS
by Alexander NABUTOVSKY and Shmud WEINBERGER
(p. 5-62)
COUNTING P-GROUPS AND NILPOTENT GROUPS
by Marcus du SAUTOY (p. 63-112)
GROUPS ACTING ON TREES:
FROM LOCAL TO GLOBAL STRUCTURE
by Marc BURGER and Shahar MO^ES (p. 113-150)
LATTICES IN PRODUCT OF TREES
by Marc BURGER and Shahar MOZES (p. 151-194)
ERRATUM TO : MORPHISMS, LINE BUNDLES AND MODULI SPACES IN REAL ALGEBRAIC GEOMETRY
by Jacek BOCHNAK, Wojciech KUCHAR^ and Robert SILHOL (p. 195)