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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.

169,291 papers · 148 categories

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48 results for Coulomb matrix

LC-GAP uses localized Coulomb descriptors for accurate molecular potential predictions.

problem Creating accurate molecular potentials for large molecules.
method Combining localized Coulomb matrix representations with Gaussian approximation potential.
result LC-GAP generates accurate potentials for molecules larger than training data with chemical accuracy.

Quantized Coulomb branches linked to skein algebras.

problem Understanding the relationship between quantized Coulomb branches and skein algebras.
method Association of quantized Coulomb branches to surfaces, description of relationship for specific surfaces, formulation of a conjecture.
result A conjecture linking quantized Coulomb branches and skein algebras.

Study quantized Coulomb branches of Jordan quiver gauge theories and their connections to Cherednik algebras.

problem Understanding the structure of quantized Coulomb branches in Jordan quiver gauge theories.
method Proved isomorphisms between quantized Coulomb branches and spherical graded Cherednik and cyclotomic rational Cherednik algebras.
result Quantized Coulomb branches are deformations of subquotients of Yangians of affine gl(1)\mathfrak{gl}(1).

Study of Hilbert schemes and Coulomb branches of hypertoric varieties.

problem Understanding the geometry and topology of Coulomb branches of hypertoric varieties.
method Investigation of transverse equivariant Hilbert schemes and Hamiltonian reductions, proposing new metrics.
result Coulomb branches of hypertoric varieties can be constructed as Hilbert schemes or Hamiltonian reductions.

We calculate the free energy of Coulomb gas systems on Riemann surfaces.

problem Analyzing the free energy of Coulomb gas systems on Riemann surfaces.
method Using bosonization formula and analytic torsion, we derive the asymptotic expansion of the partition function.
result We prove the geometric version of the Zabrodin-Wiegmann conjecture in the determinantal case.

Study quantized SL2-character variety of a once-punctured torus, finding three Coulomb branch isomorphisms.

problem Understanding the structure of quantized SL2-character variety of a once-punctured torus.
method Analyzing the quantized algebra and its subalgebras isomorphic to Coulomb branches.
result Three Z2\mathbb{Z}_2-invariant subalgebras of the quantized algebra are isomorphic to Coulomb branches.

Coulomb GANs optimize GANs to generate diverse samples without mode collapse.

problem GANs often generate only a subset of target distribution modes.
method Model GAN learning as a potential field of charged particles, where generated samples attract training set samples and repel each other.
result Coulomb GANs converge to a single Nash equilibrium that matches the target distribution.

Study connects spectral geometry with Coulomb interactions in perforated manifolds.

problem Understanding spectral properties of perforated manifolds and their interactions.
method Optimal convergence rates for Steklov eigenvalues and expansions, derived from Green function and Coulomb-type energy.
result Identified two correction scales for Steklov eigenvalues in dimensions two and three.

Sharp estimate found for global Coulomb gauge connection on compact 4-manifolds.

problem Existence of a global Coulomb gauge connection with finite singularities.
method Introduced a new function space L4,\mathcal{L}^{4,\infty} to prove the existence.
result Existence of a global section with finite singularities satisfying the Coulomb equation and a sharp estimate.

This paper studies ring objects in equivariant derived Satake category from Coulomb branches.

problem Understanding ring objects in equivariant derived Satake category from Coulomb branches.
method Analyzes morphisms from varieties to affine Grassmannian and studies ring objects in equivariant derived category.
result Various constructions in arXiv:1601.03586 work for arbitrary commutative ring objects.

Proposes a Coulomb-like model for international trade flows, fitting real-world data.

problem Describing and predicting international trade flows between countries.
method Formulated a coulomb force model where GDP represents charge and distance is influenced by various factors.
result Developed a trade strength distribution equation that fits real-world data well.

The paper connects G2G_2-manifolds to Coulomb and Higgs phases of gauge theories.

problem Exploring the physical interpretation of special singularities in G2G_2-holonomy manifolds.
method Analyzing desingularizations of orbifold singularities and relating them to gauge theories.
result Shows an isomorphism between moduli spaces of Ricci flat metrics and flat ADE-connections.

This is a companion paper of arXiv:1601.03586. We study Coulomb branches of unframed and framed quiver gauge theories of type ADEADE. In the unframed case they are isomorphic to the moduli space of based rational maps from CP1{\mathbb C}P^1 to the flag variety. In the framed case they are slices in the affine Grassmannia…

2016-04-13abs ↗pdf ↗

Study analyzes low-energy behavior of Schrödinger operators with Coulomb potentials.

problem Analyzing the limiting resolvent of Schrödinger operators at low energies.
method Using Vasy's second microlocal approach (Lagrangian approach), uniformly analyzing the resolvent from E=0E=0.
result Obtained oscillatory asymptotics for the resolvent output at low energy, differing from short-range cases.

Maxwell equations decay to Coulomb solutions on black hole spacetimes.

problem Decay of Maxwell solutions in Schwarzschild-de Sitter spacetimes.
method Differential transformation of Maxwell tensor components, Fackerell-Ipser equation, vector field method.
result Super-polynomial decay rate of Maxwell solutions to Coulomb solutions.

Extends Coulomb gauge existence to non-associative gauge theory.

problem Existence of configurations with divergence-free torsion in non-associative gauge theory.
method Analyzes non-associative gauge theory based on smooth loops and their tangent algebras, proving existence of configurations with divergence-free torsion.
result Proves existence of configurations with divergence-free torsion given a sufficiently small torsion in a Sobolev norm.

Study on Wasserstein gradient flow for MMD between Coulomb measures.

problem Analyzing the long-time behavior of MMD between probability and target measures using Coulomb kernels.
method Existence of global weak solutions, ultracontractive estimate, regularity analysis, exponential decay proof, defective Polyak-Lojasiewicz inequality.
result Exponential decay of squared MMD toward a uniformly positive target measure on flat torus.

The study shows how to regularize weakly harmonic maps using Sobolev norms and Coulomb frames.

problem Regularity of weakly harmonic maps between Riemannian manifolds.
method New structure equations and Coulomb-frame methods combined with Hardy-BMO duality.
result Sufficient conditions on Sobolev norms ensure full regularity of weakly harmonic maps.

The paper recasts Penrose-Sparling's non-Hausdorff twistor space using noncommutative geometry.

problem Reinterpreting Penrose-Sparling's non-Hausdorff twistor space.
method Introduces noncommutative geometry techniques to reinterpret the space, using explicit etale gluing groupoid and convolution algebra.
result The source-adapted cyclic pairing recovers the Coulomb charge, demonstrating the effectiveness of the new algebraic model.

Study improves material similarity measures considering distinctiveness.

problem Improving similarity measures for materials science applications.
method Used machine learning techniques with specific descriptors and kernels.
result Minimizing loss of distinctiveness improves prediction accuracy.

Study regularity of Schrödinger eigenfunctions with Coulomb-type potentials.

problem Regularity of eigenfunctions for Schrödinger operators with singular potentials.
method Blow-ups of manifolds with corners and Lie manifolds.
result Proves regularity estimates in weighted Sobolev spaces for eigenfunctions.

CoulGAT interprets GAT models by analyzing node interactions.

problem Understanding and interpreting the complex interactions within graph attention networks.
method Developed a CoulGAT framework to analyze and interpret GAT model layers and datasets.
result Extracted node-node and node-feature interactions to define a standard model for graph structure.

Study topological twists of massive SQCD with gauge group SU(2) and 3 or fewer fundamental hypermultiplets.

problem Evaluate topological partition functions of massive SQCD with arbitrary gauge bundles and hypermultiplet masses.
method Develop techniques for evaluating low-energy path integrals on the Coulomb branch.
result Formulate theories for arbitrary gauge bundles on compact four-manifolds.

The paper proves a large deviation principle for Gibbs measures on Polish spaces and applies it to specific cases.

problem Large deviation principles for Gibbs measures on Polish spaces.
method General Laplace principle for non-normalized Gibbs measures, applied to conditional Gibbs measures, Coulomb gases, and Fekete points.
result The Laplace principle is proven and applied to specific cases, providing a deterministic version of ΓΓ-convergence.

We study solutions of the Bogomolny equation on R^2\times S^1$ with prescribed singularities. We show that Nahm transform establishes a one-to-one correspondence between such solutions and solutions of the Hitchin equations on a punctured cylinder with the eigenvalues of the Higgs field growing at infinity in a particu…

2000-11-10abs ↗pdf ↗

Survey on recent developments in isometric immersions using PDE techniques.

problem Analyzing isometric immersions with low Sobolev regularity.
method Compensated compactness and Coulomb-Uhlenbeck gauges.
result Weak continuity and stability of Gauss-Codazzi-Ricci equations.