Sommaire du Fascicule no. 1

Fuglede-Kadison determinants over free groups and Lehmer’s constants
p. 3-22
Infinite characters of type II on SL n (ℤ)
p. 23-33
A new line-symmetric mobile infinity-pod
p. 35-47
Towards formal Baer criteria
p. 49-63
Review on Spectral asymptotics for the semiclassical Bochner Laplacian of a line bundle
p. 65-79

Sommaire du Fascicule no. 2

The model theory of Cohen rings
p. 1-28
Approximate isomorphism of randomization pairs
p. 29-44
Exactness and faithfulness of monoidal functors
p. 45-51
A priori and a posteriori error analysis for a hybrid formulation of a prestressed shell model
p. 53-86
Koszul duality in quantum field theory
p. 87-138
On the half-trajectories of horocyclic flow on geometrically infinite hyperbolic surfaces
p. 139-147