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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.

168,742 papers · 148 categories

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48 results for 2D Topological Field Theory

Constructs combinatorial 2D topological field theories from cyclic A-infinity algebras.

problem Developing a combinatorial framework for 2D topological field theories.
method Using triangulations and polygonal decompositions, constructing cochains on a CW complex.
result Existence of combinatorial 2D topological field theories based on cyclic A-infinity algebras.

The paper extends topological field theory to noncompact surfaces using symmetric powers.

problem Extending topological field theory to noncompact surfaces without closed boundaries.
method Constructing sectorial covers with combinatorics of the bar resolution.
result Recovering results of Rouquier and Manion on extending Heegaard-Floer theory.

The paper develops a theory linking Hamiltonian and quasi-Hamiltonian manifolds.

problem Understanding the deformation of Hamiltonian quasi-Poisson manifolds to Hamiltonian Poisson manifolds.
method Introduces a generalized Hamiltonian deformation theory and constructs a topological quantum field theory.
result Shows that the imploded cross section of the double $D(G)_\imp$ deforms to the implosion of the cotangent bundle $T^*G_\imp$.

Constructs new topological theories in 2D not fitting standard axioms.

problem Developing new topological theories in 2D that don't conform to traditional axioms.
method Universal construction by Blanchet et al., Kronecker's characterization, field extension, Hankel matrices, Schur polynomials, and foam evaluation.
result Introduction of non-multiplicative theories and classification over finite-dimensional state spaces.

Constructs algorithms to recognize and classify 2D surfaces.

problem Recognizing and classifying 2D surfaces in dynamic systems.
method Discrete topological structures and algorithms for simplicial and CW-complexes.
result Determines the topological type of 2-manifolds.

We build a connection between topology of smooth 4-manifolds and the theory of topological modular forms by considering topologically twisted compactification of 6d (1,0) theories on 4-manifolds with flavor symmetry backgrounds. The effective 2d theory has (0,1) supersymmetry and, possibly, a residual flavor symmetry. …

2018-11-19abs ↗pdf ↗

Estimates quantum cohomology complexity for Fano varieties and homogeneous spaces.

problem Quantum cohomology complexity estimation for compact symplectic manifolds.
method Estimates the number of states with finite approximate complexity for Fano complete intersections and (co)minuscule homogeneous varieties.
result Sharp upper bound for the dimension of the space spanned by states with finite complexity for Gr(2, n).

Generic singularities of line fields have been studied for lines of principal curvature of embedded surfaces. In this paper we propose an approach to classify generic singularities of general line fields on 2D manifolds. The idea is to identify line fields as bisectors of pairs of vector fields on the manifold, with re…

2016-05-20abs ↗pdf ↗

The study classifies Kähler-Frobenius manifolds and their properties.

problem Classifying Kähler-Frobenius manifolds and understanding their structure.
method Using Topological Quantum Field Theory and Frobenius manifold theory.
result All flat compact Kähler manifolds are Frobenius manifolds and are classified.

To formulate the universal constraints of quantum statistics data of generic long-range entangled quantum systems, we introduce the geometric-topology surgery theory on spacetime manifolds where quantum systems reside, cutting and gluing the associated quantum amplitudes, specifically in 2+1 and 3+1 spacetime dimension…

2019-01-31abs ↗pdf ↗

Summing over 3-manifolds using TQFT partition functions.

problem Summing over all 3-manifolds with fixed boundary.
method Rewriting the sum over 3-manifolds as a sum over homology groups, using TQFT partition functions and topological boundary conditions.
result Existence of a distribution of 2d TQFTs whose ensemble average equals the sum over 3-manifolds.

Lectures on topological field theories and differential cohomology.

problem Exploring topological field theories and their connections to differential cohomology.
method Introduction to topological field theory and generalized Abelian gauge theories.
result Explains the relationship between topological field theories and differential cohomology.

Using probabilistic methods, we first define Liouville quantum field theory on Riemann surfaces of genus g2\mathbf{g}\geq 2 and show that it is a conformal field theory. We use the partition function of Liouville quantum field theory to give a mathematical sense to Polyakov's partition function of noncritical bosonic s…

2016-07-28abs ↗pdf ↗

The data of a "2D field theory with a closed string compactification" is an equivariant chain level action of a cell decomposition of the union of all moduli spaces of punctured Riemann surfaces with each component compactified as a pseudomanifold with boundary. The axioms on the data are contained in the following ass…

2007-10-22abs ↗pdf ↗

We consider Chern-Simons theory on 3-manifold MM that is the total space of a circle bundle over a 2d base ΣΣ. We show that this theory is equivalent to a new 2d TQFT on the base, which we call Caloron BF theory, that can be obtained by an appropriate type of push-forward. This is a gauge theory on a bundle with stru…

2015-07-06abs ↗pdf ↗

We use the conformal invariance and the holographic correspondence to fully specify the dependence of entanglement entropy on the extrinsic geometry of the 2d surface ΣΣ that separates two subsystems of quantum strongly coupled N=4{\mathcal{N}}=4 SU(N) superconformal gauge theory. We extend this result and calculate en…

2008-02-21abs ↗pdf ↗

The paper proves UV finiteness and vanishing anomalies for hybrid topological-holomorphic field theories.

problem Proving UV finiteness and vanishing anomalies for hybrid topological-holomorphic field theories.
method Rigorously proving UV finiteness and vanishing anomalies for hybrid topological-holomorphic field theories on RdimesCd\mathbb{R}^{d'} imes \mathbb{C}^d.
result Proves vanishing anomalies for hybrid topological-holomorphic field theories, allowing for the definition of a factorization algebra structure for quantum observables.

In this paper we address several aspects of flat Bogomolnyi-Prasad-Sommerfeld (BPS) domain walls together with their Lorentz invariant vacua of 4d N=1 supergravity coupled to a chiral multiplet. The scalar field spans a one-parameter family of 2d Kähler manifolds satisfying a Kähler-Ricci flow equation. We find that BP…

2009-01-05abs ↗pdf ↗

The paper quantizes hybrid topological-holomorphic field theories on RmimesCn\mathbb{R}^m imes \mathbb{C}^n.

problem Quantizing hybrid topological-holomorphic field theories rigorously.
method Constructing perturbative, one-loop quantizations on RmimesCn\mathbb{R}^m imes \mathbb{C}^n.
result The one-loop obstruction to quantization vanishes when m1m \geq 1.

Topology guidance controls generative model outputs by specifying topological features.

problem Lack of control in generative models for visual analysis.
method Coupling a coordinate-based neural network with a diffusion model to guide sampling.
result Generated fields adhere to specified topological features while staying within the generative distribution.

We extend the topological field theory (``itsy bitsy topological field theory"') of our previous work from mod-2 to twisted coefficients. This topological field theory is derived from sutured Floer homology but described purely in terms of surfaces with signed points on their boundary (occupied surfaces) and curves on …

2014-01-24abs ↗pdf ↗

The abstract discusses connecting quantum mechanics and algebraic index theories.

problem Exploring the connection between quantum mechanics and algebraic index theories.
method Explains how the classical algebraic index theorem can be proved in terms of BV quantization of topological quantum mechanics and 2d chiral CFT.
result Shows how the generating function of all genus Gromov-Witten invariants on elliptic curves is mirror equivalent to an elliptic chiral index.

In this paper we give a characterization of 2-dimensional topological field theories over a space XX as Frobenius bundles with connections over LXLX, the free loop space of XX. This is a generalization of the folk theorem stating that 2-dimensional topological field theories (over a point) are described by finite-dim…

2010-08-29abs ↗pdf ↗

This paper proposes an axiomatic for Cyclic Foam Topological Field theories. That is Topological Field theories, corresponding to String theories, where particles are arbitrary graphs. World surfaces in this case are two-manifolds with one-dimensional singularities. We proved that Cyclic Foam Topological Field theories…

2007-12-20abs ↗pdf ↗

Study of symmetries in 2D Yang-Mills theory, including orbifolds and higher forms.

problem Understanding symmetries and anomalies in 2D Yang-Mills theory.
method Combining continuum methods, topological defects, and higher gauge theory.
result Unified description of higher and lower form gauge fields, identifying spontaneous symmetry breaking.

We expand Topological Field Theory on some special CW-complexes (brane complexes). This Brane Topological Field Theory one-to-one corresponds to infinite dimensional Frobenius Algebras, graduated by CW-complexes of lesser dimension. We define general and regular Hurwitz numbers of brane complexes and prove that they ge…

2009-04-01abs ↗pdf ↗

Introduces Lax-Kirchhoff moduli spaces for quivers and Lie groups.

problem Constructing moduli spaces for quivers and Lie groups.
method Introduces Lax equations and Kirchhoff conditions, constructs slices, and uses Marsden-Weinstein reduction.
result Proves M(Γ)\mathcal{M}(Γ) is a finite-dimensional smooth symplectic manifold with a Hamiltonian action of GΓG^{\partialΓ}.

The paper explores gauge theory invariants and their duals via topological-holomorphic twist.

problem Understanding gauge theory invariants and their duals in 4d and 2d.
method Topological-holomorphic twist of N=4 supersymmetric gauge theory.
result Derived novel topological and holomorphic invariants and their Langlands duals.

Proposes a model to generate 3D-aware images from 2D images.

problem Generating 3D-aware images from 2D images.
method Likelihood-based top-down model using Neural Radiance Fields and energy-based latent variables.
result Model can infer 3D object structures from 2D images and generate novel views.