Tessera

Results: 196



#Item
11Algebra / Mathematics / Group theory / Geometric group theory / Topological groups / Functional analysis / Amenable group / Matrix / Kazhdan's property / Cayley graph / Convolution / Group cohomology

The Schur algebra is not spectral in B(`2). Romain Tessera∗ July 31, 2009 Abstract We give an example of an infinite matrix whose rows and columns

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Language: English - Date: 2009-07-31 17:47:00
12Mathematics / Algebra / Mathematical analysis / Functional analysis / Operator theory / Functions and mappings / Metric space / Topology / Hilbert space / Sheaf / Banach space / Embedding

Coarse embeddings into a Hilbert space, Haagerup Property and Poincar´e inequalities Romain Tessera∗ December 5, 2008 Abstract

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Language: English - Date: 2008-12-05 17:37:35
13Abstract algebra / Algebra / Mathematics / Algebraic topology / Algebraic geometry / Category theory / Sheaf / Nerve / Fundamental group / Universal property / Homological algebra / Algebraic geometry and analytic geometry

FINITE DECOMPOSITION COMPLEXITY AND THE INTEGRAL NOVIKOV CONJECTURE FOR HIGHER ALGEBRAIC K–THEORY (DRAFT) DANIEL A. RAMRAS, ROMAIN TESSERA, AND GUOLIANG YU Abstract. Decomposition complexity for metric spaces was recen

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Language: English - Date: 2011-10-25 03:50:08
14Geometry / Mathematics / Group theory / Geometric group theory / Combinatorics on words / Dehn function / Hyperbolic group / Finitely generated abelian group / Lattice / Presentation of a group / Linear group / HNN extension

METABELIAN GROUPS WITH QUADRATIC DEHN FUNCTION AND BAUMSLAG-SOLITAR GROUPS YVES DE CORNULIER AND ROMAIN TESSERA Abstract. We prove that a certain class of metabelian locally compact groups have quadratic Dehn function. A

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Language: English - Date: 2011-01-04 10:29:20
15Group theory / Geometry / Algebra / Geometric group theory / Topological groups / Amenable group / Kazhdan's property / Index of a subgroup / Commutator subgroup / Solvable group / Coset / Virtually

On the space of left-orderings of virtually solvable groups Cristobal Rivas & Romain Tessera∗ Abstract We show that the space of left-orderings of a countable virtually solvable group is either finite or homeomorphic t

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Language: English - Date: 2013-03-14 07:03:47
16Geometry / Mathematics / Algebra / Geometric group theory / Topological groups / Operator theory / Kazhdan's property / Amenable group / Metric geometry / Banach space / Hilbert space / Ample line bundle

Asymptotic isoperimetry on groups and uniform embeddings into Banach spaces. Romain Tessera December 21, 2007 Abstract We characterize the possible asymptotic behaviors of the compression

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Language: English - Date: 2007-12-21 18:24:15
17Geometry / Group theory / Mathematics / Geometric group theory / Lie groups / Topological groups / Metric geometry / Amenable group / Kazhdan's property / Solvable group / Lattice / Representation theory

ON THE VANISHING OF REDUCED 1-COHOMOLOGY FOR BANACHIC REPRESENTATIONS YVES CORNULIER AND ROMAIN TESSERA Abstract. A theorem of Delorme states that every unitary representation of a connected Lie group with nontrivial red

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Language: English - Date: 2017-10-19 06:33:46
18Geometry / Algebra / Abstract algebra / Geometric group theory / Cohomology theories / Metric geometry / Topological groups / -hyperbolic space / Cohomology / Sheaf / Quasi-isometry / Hyperbolic metric space

Vanishing of the first reduced cohomology with values in an Lp-representation. Romain Tessera March 7, 2008 Abstract We prove that the first reduced cohomology with values in a mixing

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Language: English - Date: 2008-03-07 14:18:38
19Mathematics / Geometry / Algebra / Geometric group theory / Topological groups / Topology / Field theory / Metric geometry / Amenable group / Kazhdan's property / Valuation / Von Neumann algebra

A NOTION OF GEOMETRIC COMPLEXITY AND ITS APPLICATION TO TOPOLOGICAL RIGIDITY ERIK GUENTNER, ROMAIN TESSERA, AND GUOLIANG YU Abstract. We introduce a geometric invariant, called finite decomposition complexity (FDC), to s

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Language: English - Date: 2011-10-21 02:00:00
20Group theory / Geometry / Abstract algebra / Geometric group theory / Topological groups / Amenable group / Kazhdan's property / Quasi-isometry / Unitary representation / Haagerup property / Compactly generated group / Gelfand pair

Isometric group actions on Hilbert spaces: growth of cocycles Yves de Cornulier, Romain Tessera, Alain Valette November 12, 2006 Abstract We study growth of 1-cocycles of locally compact groups, with values in

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Language: English - Date: 2006-11-13 16:01:01
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