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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,181 papers · 148 categories

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48 results for Affine Anosov representations

New definitions and properties for hyperbolic group representations.

problem Understanding representations of hyperbolic groups into affine groups.
method Defining affine Anosov representations and proving their equivalence to Anosov linear parts with proper action.
result Affine Anosov representations of hyperbolic groups have specific properties related to their linear parts and proper actions.

The paper defines cocycles for positive Anosov representations and constructs affine actions with bounded fundamental domains.

problem Positive Anosov representations into SO(2n,2n1)\mathrm{SO}(2n,2n-1).
method Definition of cocycles and construction of affine actions with fundamental domains.
result Quotient manifolds are homeomorphic to handlebodies.

Study on Hausdorff dimension of Anosov subgroup limit sets under specific affine complexity.

problem Investigating the Hausdorff dimension of Anosov subgroup limit sets with self-affine complexity.
method Analyzing the Hausdorff dimension of projective limit sets Λ1(Γ)Λ^1(Γ) of Anosov subgroups ΓΓ under specific assumptions about their affine complexity.
result The Hausdorff dimension of Λ1(Γ)Λ^1(Γ) is determined by the critical exponent of the first simple root under partial quasi-self-similarity.

Affine actions fail for Hitchin linear parts, except flat pseudo-Riemannian cases.

problem Properly discontinuous affine actions of surface groups with Hitchin linear part.
method Analysis of representations and pseudo-Riemannian metrics.
result Hitchin linear parts in SO(n,n1)\mathsf{SO}(n,n-1) lead to non-properly discontinuous affine actions.

The paper studies the dimension of limit sets using variational principles and stationary measures.

problem Calculating the Hausdorff dimension of limit sets of Anosov representations and the Rauzy gasket.
method Established variational principles for affinity exponents and Rauzy gaskets, combined with dimension formulas of stationary measures.
result Yields the equality between the Hausdorff dimensions and affinity exponents in both settings.

Study partially hyperbolic flows on flat bundles, proving equivalence for complete affine manifolds.

problem Characterize partially hyperbolic representations of fundamental groups of manifolds.
method Representation theory techniques, focusing on holonomy representations and their properties.
result Show equivalence between partially hyperbolic representations and PP-Anosov representations for complete affine manifolds.

Proves nonemptyness of domains for specific group actions.

problem Nonemptyness of domains of proper discontinuity for Anosov groups of affine Lorentzian transformations.
method Proof of nonemptyness of domains of proper discontinuity.
result Proves nonemptyness of domains for Anosov groups of affine Lorentzian transformations.

The study limits the cohomological dimension of certain affine manifolds with partially hyperbolic holonomy groups.

problem Understanding cohomological dimensions of affine manifolds with specific holonomy groups.
method Analyzing the tangent bundle structure and using coarse geometry techniques.
result The cohomological dimension is bounded by the dimension minus the index of the holonomy group.

Study Anosov representations of reducible suspensions of hyperbolic groups.

problem Characterize dynamical properties of reducible suspensions of Anosov representations.
method Analyzing linear representations of non-elementary hyperbolic groups, focusing on weak unipotent actions on subspaces.
result Characterize when reducible suspensions are discrete and faithful, quasi-isometrically embedded, and Anosov.

Develops theory of Anosov representations for Fuchsian groups, showing stability and analytical properties.

problem Understanding geometrically finite Fuchsian groups and their representations.
method Theory of Anosov representations, type-preserving deformations, limit maps, relative Anosov and dominated representations.
result Cusped Hitchin representations are Borel Anosov, stable under deformations, and limit maps vary analytically.

Survey on geometry of co-Minkowski space and its affine deformations.

problem Understanding the geometry of co-Minkowski space and its affine deformations.
method Affine deformations of hyperbolic lattices acting on co-Minkowski space, convex core, mean hypersurface, asymmetric norm.
result Existence of a unique mean hypersurface and an asymmetric norm on the space of affine deformations.

New findings on cusped Borel Anosov representations and their properties.

problem Characterizing and understanding cusped Borel Anosov representations.
method Analyzing representations of lattices in PGL2(R)PGL_2(\mathbb{R}) to PGLd(R)PGL_d(\mathbb{R}).
result Cusped Borel Anosov representations with specific properties are Hitchin representations.

Characterizes Anosov reducible representations in terms of eigenvalues.

problem Understanding Anosov representations in reducible settings.
method Characterizes Anosov representations using eigenvalue magnitudes of irreducible block factors.
result Connected components of character varieties do not contain reducible representations for many non-elementary hyperbolic groups.

Study of flows on complex manifolds with holomorphic properties.

problem Global rigidity of transversely holomorphic Anosov flows on smooth compact manifolds.
method Analyzing the integrability of unstable and stable distributions, proving uniqueness in low dimensions.
result For topologically transitive flows, they are either orbit equivalent to a hyperbolic automorphism or geodesic flow.

New domains of discontinuity found for Anosov representations.

problem Understanding Anosov representations acting on homogeneous spaces.
method Constructing open domains of discontinuity for Anosov representations acting on specific homogeneous spaces.
result Describes the largest possible open domains of discontinuity for Zariski dense Anosov representations.

Paper defines conditions for limit sets of Anosov representations to be smooth submanifolds.

problem Understanding the smoothness of limit sets of Anosov representations.
method Established conditions for limit sets to be differentiable submanifolds and calculated optimal Holder constants.
result Limit sets of projective Anosov representations are differentiable submanifolds with Holder continuous derivatives.

Maximal and Borel Anosov representations in Sp(4,R)Sp(4,\mathbb{R}) are proven to be Hitchin.

problem Characterizing representations of surface groups into Sp(4,R)Sp(4,\mathbb{R}) that are Borel Anosov and maximal.
method Proving representations are Hitchin if they have maximal Toledo invariant and are Borel Anosov.
result Maximal and Borel Anosov representations in Sp(4,R)Sp(4,\mathbb{R}) are Hitchin.

Identifies Anosov representations of hyperbolic triangle groups in SL(3,R).

problem Classifying Anosov representations of hyperbolic triangle groups into SL(3,R).
method Proving representations are Anosov if they lie in the Hitchin component or the Barbot component, with specific conditions for eigenvalues.
result Anosov representations in SL(3,R) have non-convex boundary maps.

New representations defined for groups and graphs, with applications to stable representations.

problem Defining and constructing new types of representations for groups and graphs.
method Introducing (R,Λ)(R,Λ)-directed Anosov representations and using Fock-Goncharov positivity to construct them.
result Constructs large families of primitive stable representations from F2F_2 to PGL(V)\mathrm{PGL}(V), including non-discrete and non-faithful examples.

The paper introduces cataclysm deformations for Anosov representations.

problem Deforming Anosov representations in Lie groups.
method Constructing cataclysm deformations for θθ-Anosov representations into semisimple Lie groups.
result Cataclysm deformations are injective for Hitchin representations but not for all θθ-Anosov representations.

Cataclysm deformations study Anosov representations and their convergence.

problem Understanding convergence of Anosov representations under deformation.
method Cataclysm deformation of Anosov representations using twisted transverse cocycles.
result Uniform convergence of cataclysm deformations on compact sets.

Cataclysm deformations study Anosov representations, leading to new formulas and non-open sets.

problem Understanding Anosov representations and their deformations.
method Cataclysm deformations based on twisted transverse cocycles.
result Uniform convergence of cataclysm deformations on compact sets.

New examples of embeddings defy Anosov representation limits.

problem Examples of robust quasi-isometric embeddings not approximated by Anosov representations.
method Exhibited non-locally rigid, Zariski dense embeddings in SLm(K)\mathsf{SL}_m(\mathbb{K}).
result Higher rank Anosov representation theorems fail for m30m\geq 30.

The paper proves identities for hyperconvex Anosov representations and their applications to Cantor sets.

problem Establishing identities for hyperconvex Anosov representations.
method Analyzing holomorphic families of Cantor non-conformal repellers and studying series identities.
result The series is absolutely summable if and only if the Hausdorff dimension of the Cantor set is less than 1.

We study the limit set of discrete subgroups arising from Anosov representations. Specially we study the limit set of discrete groups arising from strictly convex real projective structures and Anosov representations from a finitely generated word hyperbolic group into a semisimple Lie group.

2012-12-04abs ↗pdf ↗

New insights into Anosov representations of hyperbolic groups.

problem Understanding Anosov representations of relatively hyperbolic groups.
method Proving representations can be interpreted as restricted Anosov representations over flow spaces and showing stability under deformations.
result Representations of certain types are divergent, extended geometrically finite and stable under small deformations.