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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.

168,657 papers · 148 categories

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481216 · Sep 202319922001200920172026
48 results for SL(3)

Study of Lagrangian submanifolds in pseudo-nearly Kähler SL(2,R)×SL(2,R).

problem Characterize Lagrangian submanifolds in pseudo-nearly Kähler space.
method Analyze isometry group and classify extrinsically homogeneous Lagrangian submanifolds.
result Complete classification of extrinsically homogeneous Lagrangian submanifolds.

Explicitly found generators of cohomology for SL_n(Z) using sharbly cycles and cosharbly cocycles.

problem Finding explicit generators for the cohomology of SL_n(Z).
method Using sharbly cycles and cosharbly cocycles, and applying Borel-Serre duality.
result Explicitly found generators of H_t(SL_n(Z),St) in terms of sharbly cycles and cosharbly cocycles.

We construct an equivariant colored sl(N)-homology for links, which generalizes both the colored sl(N)-homology defined by the author and the equivariant sl(N)-homology defined by Krasner. The construction is a straightforward generalization of that of the colored sl(N)-homology. The proof of invariance is based on a s…

2010-02-15abs ↗pdf ↗

The paper classifies topological properties of specific geometric forms on manifolds.

problem Classifying topological properties of closed G~2\widetilde{\mathrm{G}}_2, SL(3;C)\mathrm{SL}(3;\mathbb{C}) and SL(3;R)2\mathrm{SL}(3;\mathbb{R})^2 forms.
method Algebraic and topological techniques, including characteristic classes and obstruction theory, with recent hh-principles.
result Complete classification of closed SL(3;C)\mathrm{SL}(3;\mathbb{C}) forms up to homotopy.

We study the Chabauty compactification of two families of closed subgroups of SL(n,Qp)SL(n,\mathbb{Q}_p). The first family is the set of all parahoric subgroups of SL(n,Qp)SL(n,\mathbb{Q}_p). Although the Chabauty compactification of parahoric subgroups is well studied, we give a different and more geometric proof using various Le…

2017-11-13abs ↗pdf ↗

The study proves non-existence of hypercomplex structures on SL(3,R) and finds one on SL(2n+1,C).

problem Proving the non-existence of hypercomplex structures on specific Lie groups.
method Revising the classification of complex structures and using a complex product structure to find hypercomplex structures.
result No left-invariant hypercomplex structures on SL(3,R), and a new hypercomplex structure on SL(2n+1,C).

We classify SL(2;C)-representations of a Brieskorn homology 3-sphere. We show any irreducible representation into SL(2;C) is conjugate to that into either SU(2) or SL(2;R). We also give a construction of SL(2;R)-representations for a Brieskorn homology 3-sphere from PSL(2;R)-representations of the base orbifold fundame…

2016-02-24abs ↗pdf ↗

Two specific Einstein metrics found on a product of SL(2,R) groups.

problem Classifying left-invariant Einstein metrics on a specific group product.
method Analyzing bi-invariant metrics under a one-parameter subgroup.
result Found two specific Einstein metrics: the Killing form and a nearly pseudo-Kähler metric.

The paper calculates colored Jones polynomials for specific link configurations.

problem Computing colored Jones polynomials in general is difficult, but the paper provides explicit formulas.
method Uses Kuperberg's A2A_2 skein relation and one-row Young diagrams.
result Derives the sl3\mathfrak{sl}_3 tail of (2,2m)(2,2m)-torus links and false theta series.

We introduce two invariants called sl(3) Khovanov module and pointed sl(3) Khovanov homology for spatial webs (bipartite trivalent graphs). Those invariants are related to Kronheimer-Mrowka's instanton invariants JJ^\sharp and II^\sharp for spatial webs by two spectral sequences. As an application of the spectral seq…

2018-09-13abs ↗pdf ↗

The paper constructs bases for cluster varieties using mSL3{ m SL}_3-webs and laminations.

problem Cluster varieties associated to mSL3{ m SL}_3-local systems on surfaces.
method Introducing mSL3{ m SL}_3-laminations, developing quantum and classical trace maps, and constructing bases.
result Bases of regular functions on mPGL3{ m PGL}_3 cluster varieties constructed from mSL3{ m SL}_3-laminations.

Study on cohomology of SL_n(Z) for n>=3, proving vanishing of certain cohomology groups.

problem Determine the cohomology of SL_n(Z) for n>=3.
method Construct a partial resolution of the Steinberg module to show vanishing of specific cohomology groups.
result Vanishing of codimension-2 rational cohomology group H^{{n \choose 2} -2} for n >= 3.

The paper classifies totally geodesic Lagrangian submanifolds in a specific pseudo-nearly Kähler space.

problem Understanding Lagrangian submanifolds in pseudo-nearly Kähler spaces.
method Examining four classes of submanifolds based on their behavior with respect to an almost product structure, then classifying totally geodesic ones.
result A complete classification of totally geodesic Lagrangian submanifolds in the pseudo-nearly Kähler SL(2,R)imesSL(2,R)\mathrm{SL}(2,\mathbb{R}) imes\mathrm{SL}(2,\mathbb{R}).

In this paper I define certain interesting 2-functors from the Khovanov-Lauda 2-category which categorifies quantum sl(k), for any k>1, to a 2-category of universal sl(3) foams with corners. For want of a better name I use the term "foamation" to indicate those 2-functors. I conjecture the existence of similar 2-functo…

2009-05-13abs ↗pdf ↗

Quantum cluster algebra constructed from web skein relations on surfaces.

problem Quantization of cluster structures on moduli spaces of SL3 local systems.
method Constructing a quantum cluster algebra inside the skew-field of a skein algebra of unpunctured surfaces.
result Laurent expressions of webs in clusters have positive coefficients.

Combining known spectral sequences with a new spectral sequence relating reduced and unreduced sl(N)-homology yields a relationship between the Homflypt-homology of a knot and its sl(N)-concordance invariants. As an application, some of the sl(N)-concordance invariants are shown to be linearly independent.

2013-10-11abs ↗pdf ↗

We find two different families of Sp(2,R)Sp(2,R) symmetric G2G_2 structures in seven dimensions. These are G2G_2 structures with G2G_2 being the split real form of the simple exceptional complex Lie group G2G_2. The first family has τ20τ_2\equiv 0, while the second family has τ1τ20τ_1\equivτ_2\equiv 0. The families are differen…

2019-08-13abs ↗pdf ↗

Researchers calculate colored Jones polynomials for pretzel links using Kuperberg's theory.

problem Calculating colored Jones polynomials for general oriented links is difficult.
method Using Kuperberg's linear skein theory, they focus on one-row polynomials for pretzel links.
result Existence of tails for specific pretzel knots' Jones polynomials is shown.

Quantum Frobenius map for SL3SL_3 skein modules constructed and described.

problem Constructing a quantum Frobenius map for SL3SL_3 skein modules.
method Using threading polynomials and the Frobenius map of Parshall-Wang for quantum group Oq(SL3).\mathcal{O}_q(SL_3).
result Described the quantum Frobenius map for SL3SL_3 skein modules.

A new invariant for links generalizes Alexander polynomial for sl_3.

problem Defining a non-abelian generalization of the Alexander polynomial.
method Using quantum sl3\mathfrak{sl}_3 representations and Laurent polynomials.
result Established a direct relation between Δsl3Δ_{\mathfrak{sl}_3} and the Alexander polynomial.

We compute the fundamental class (in the extended Bloch group) for representations of fundamental groups of 3-manifolds to SL(4,R) that factor over SL(2,C), in particular for those factoring over the isomorphism PSL(2,C) = S0(3,1). We also discuss consequences for the number of connected components of SL(4,R)-character…

2015-03-26abs ↗pdf ↗

We characterize groups admitting Anosov representations into SL(3,R)\mathsf{SL}(3,\mathbb R), projective Anosov representations into SL(4,R)\mathsf{SL}(4,\mathbb R), and Borel Anosov representations into SL(4,R)\mathsf{SL}(4,\mathbb R). More generally, we obtain bounds on the cohomological dimension of groups admitting PkP_k-Anosov r…

2019-04-03abs ↗pdf ↗

This is the fourth in a series of papers math.DG/0008021, math.DG/0008155, math.DG/0010036 constructing explicit examples of special Lagrangian submanifolds (SL m-folds) in C^m. A submanifold of C^m is ruled if it is fibred by a family of real straight lines in C^m. This paper studies ruled special Lagrangian 3-folds i…

2000-12-08abs ↗pdf ↗

The universal sl_2 invariant of bottom tangles has a universality property for the colored Jones polynomial of links. Habiro conjectured that the universal sl_2 invariant of boundary bottom tangles takes values in certain subalgebras of the completed tensor powers of the quantized enveloping algebra U_h(sl_2) of the Li…

2011-03-11abs ↗pdf ↗