Publications (30)
Cantor systems and quasi-isometry of groups
Kostya Medynets, Roman Sauer, Andreas Thom
Topological models of finite type for tree almost automorphism groups
Roman Sauer, Werner Thumann
Efficient subdivision in hyperbolic groups and applications
Uri Bader, Alex Furman, Roman Sauer
Integrable measure equivalence and rigidity of hyperbolic lattices
Uri Bader, Alex Furman, Roman Sauer
S-arithmetic spinor groups with the same finite quotients and distinct $\ell^2$-cohomology
Holger Kammeyer, Roman Sauer
Volume and homology growth of aspherical manifolds
Roman Sauer
Lattice envelopes
Uri Bader, Alex Furman, Roman Sauer
Homology and homotopy complexity in negative curvature
Uri Bader, Tsachik Gelander, Roman Sauer
Amenable covers, volume and L2-Betti numbers of aspherical manifolds
Roman Sauer
L^2-Betti Numbers of Discrete Measured Groupoids
Roman Sauer
Euler Characteristics of Categories and Homotopy Colimits
Thomas M. Fiore, Wolfgang Lück, Roman Sauer
The limit of F_p-Betti numbers of a tower of finite covers with amenable fundamental groups
Peter Linnell, Wolfgang Lueck, Roman Sauer
$L^2$-Betti numbers of totally disconnected groups and their approximation by Betti numbers of lattices
Henrik Densing Petersen, Roman Sauer, Andreas Thom
Profinite invariants of arithmetic groups
Holger Kammeyer, Steffen Kionke, Jean Raimbault +1
On the cohomology of weakly almost periodic group representations
Uri Bader, Christian Rosendal, Roman Sauer
L2-torsion, the measure-theoretic determinant conjecture, and uniform measure equivalence
Wolfgang Lueck, Roman Sauer, Christian Wegner
On the growth of Betti numbers in $p$-adic analytic towers
Nicolas Bergeron, Peter Linnell, Wolfgang Lück +1
Integral Foliated Simplicial Volume of Aspherical Manifolds
Roberto Frigerio, Clara Loeh, Cristina Pagliantini +1
Finiteness obstructions and Euler characteristics of categories
Thomas M. Fiore, Wolfgang Lück, Roman Sauer
Spectral distribution and $L^2$-isoperimetric profile of Laplace operators on groups
Alexander Bendikov, Christophe Pittet, Roman Sauer
Simplicial volume of Hilbert modular varieties
Clara Loeh, Roman Sauer
l2-Betti numbers of discrete and non-discrete groups
Roman Sauer
Counting maximally broken Morse trajectories on aspherical manifolds
Caterina Campagnolo, Roman Sauer
L2-invisibility and a class of local similarity groups
Roman Sauer, Werner Thumann
Vanishing of $\ell^2$-Betti numbers of locally compact groups as an invariant of coarse equivalence
Roman Sauer, Michael Schrödl
Weak notions of normality and vanishing up to rank in L2-cohomology
Uri Bader, Alex Furman, Roman Sauer
A spectral sequence to compute L2-Betti numbers of groups and groupoids
Roman Sauer, Andreas Thom
An adelic arithmeticity theorem for lattices in products
Uri Bader, Alex Furman, Roman Sauer
Degree theorems and Lipschitz simplicial volume for non-positively curved manifolds of finite volume
Clara Loeh, Roman Sauer
Homological Invariants and Quasi-Isometry
Roman Sauer