Contents
Preface
K. BURNS, D. DOLGOPYAT, and YA. PESIN ix
Nonconvergence examples in averaging.
V. BAKHTIN and Yu. KIFER 1
Periodic rank one geodesics in Hadamard spaces.
W. BALLMANN and
8.
BUYALO 19
Dynamical determinants and spectrum for hyperbolic diffeomorphisms.
V.
BALADI and M. TSUJII 29
Open problems in symbolic dynamics.
M. BOYLE 69
New examples of topologically equivalent S-unimodal maps with different
metric properties.
H. BRUIN and M. JAKOBSON 119
APPENDIX. Quasiconformal deformation of multipliers.
G. LEVIN 135
A remark on the group of PL-homeomorphisms in dimension one.
D. BURAGO and
8.
IVANOV 141
Fermi acceleration.
D. DOLGOPYAT 149
Riemannian 2-step nilmanifolds with prescribed Ricci tensor.
P. EBERLEIN 167
On the Greenfield-Wallach and Katok conjectures in dimension three.
G. FORNI 197
Metastability and Stochastic Resonance for Multiscale Systems.
M. FREIDLIN 215
Mendelian Dynamics and Sturtevant's Paradigm.
M. GROMOV 227
On the estimation of topological entropy on surfaces.
8.
NEWHOUSE, M. BERZ, J. GROTE, and K. MAKINO 243
vii
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