On-device research index

arXiv research

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.

169,051 papers · 148 categories

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48 results for “multiply transitive”

Homogeneous Real (2,3,5) Distributions with Isotropymath.DG

Classifies special geometric distributions.

problem Classifying homogeneous real (2,3,5) distributions.

method Multiply transitive classification up to local diffeomorphism.

result Classified multiply transitive homogeneous real (2,3,5) distributions.

homogeneous distributions multiply transitive real (2 3 5)

2018-07-08abs ↗pdf ↗

Cusp transitivity in hyperbolic 3-manifoldsmath.GT

Study of isometries on hyperbolic 3-manifold cusps.

problem Understanding transitivity in hyperbolic 3-manifold actions.

method Analyzing multiply transitive actions of isometries on cusps.

result Proved a conjecture about the maximum transitivity and upper bounds on cusps.

hyperbolic 3-manifolds isometries multiply transitive actions cusps Vogeler conjecture

2019-12-09abs ↗pdf ↗

A Cartan-theoretic classification of multiply-transitive

(2,3,5)

-distributionsmath.DG

Classifies multiply-transitive (2,3,5)-distributions using modern Cartan geometry.

problem Classifying multiply-transitive

(2,3,5)

-distributions.

method Modern Cartan-geometric approach, incorporating

G_2

structure theory.

result Complete classifications in both complex and real settings, with full curvature and infinitesimal holonomy.

Cartan geometry G2 structure multiply-transitive distributions $(2 3

2022-05-06abs ↗pdf ↗

Fredholm-Regularity of Holomorphic Discs in Plane Bundles over Compact Surfacesmath.AP

Study on holomorphic discs in bundles over compact surfaces, proving Fredholm regularity under certain conditions.

problem Analyzing holomorphic discs with boundary on surfaces in vector bundles over compact manifolds.

method Proves Fredholm regularity for sections with a single complex point under specific conditions.

result Holomorphic discs are Fredholm regular under certain conditions, including neutral Kähler and symplectic actions.

holomorphic discs Fredholm regularity vector bundles compact surfaces transitive holomorphic actions

2018-12-03abs ↗pdf ↗

On the quasi-isometric and bi-Lipschitz classification of 3D Riemannian Lie groupsmath.GR

The abstract discusses the classification of 3D Lie groups with Riemannian metrics.

problem Classifying 3D Lie groups up to quasi-isometries and bi-Lipschitz equivalence.

method Review of existing literature and study of quasi-isometry and bi-Lipschitz equivalence.

result For three-dimensional simply connected groups, quasi-isometry implies isometry with suitable metrics.

Lie groups Riemannian metrics quasi-isometry bi-Lipschitz classification

2018-11-06abs ↗pdf ↗

Deep Learning Training with Simulated Approximate Multiplierscs.LG

Approximate multipliers boost CNN training speed, power, and area at slight accuracy cost.

problem Improving CNN training performance in terms of speed, power, and area.

method Simulation of approximate multipliers' impact on CNN training, hybrid training method combining approximate and exact multipliers.

result Using approximate multipliers for most of training enhances speed, power, and area with minimal accuracy loss.

CNN training approximate multipliers hybrid method accuracy trade-off speed improvement

2019-12-26abs ↗pdf ↗

Extending free actions of finite groups on unoriented surfacesmath.GT

New unoriented versions of Schur and Bogomolov multipliers for finite groups.

problem Defining and analyzing unoriented versions of Schur and Bogomolov multipliers.

method Using cohomology groups and quotient groups to define unoriented multipliers.

result Triviality of unoriented Bogomolov multiplier for certain groups, nontriviality for others.

cohomology Schur multiplier Bogomolov multiplier finite groups unoriented surfaces

2023-07-12abs ↗pdf ↗

Multiply twisted productsmath.DG

In this paper, we compute the index form of the multiply twisted products. We study the Killing vector fields on the multiply twisted product manifolds and determine the Killing vector fields in some cases. We compute the curvature of the multiply twisted products with a semi-symmetric metric connection and show that t…

2012-07-01abs ↗pdf ↗

Scale invariant multiplier and multifractality of absolute returns in stock marketsphysics.soc-ph

The statistical properties of the multipliers of the absolute returns are investigated using one-minute high-frequency data of financial time series. The multiplier distribution is found to be independent of the box size $s$ when $s$ is larger than some crossover scale, providing direct evidence of the existence of sca…

2006-09-23abs ↗pdf ↗

Learnability for the Information Bottleneckcs.LG

The paper shows how to avoid the trivial representation in IB by choosing the right β.

problem Lack of theoretical guidance for choosing β in the IB method.

method Identifying a phase transition between learnable and unlearnable representations based on β.

result IB-Learnability is defined by the largest confident, typical, and imbalanced subset of examples.

Information Bottleneck Learnability Phase Transition Model Capacity Typical Subset

2019-07-17abs ↗pdf ↗

Present Value of the Future Consumer Goods Multiplierecon.TH

Derives formula for present value of future consumer goods multiplier.

problem Evaluating the present value of future consumer goods investments.

method Derives a formula based on geometric sequence and investigates macroeconomic implications.

result The present value of the future consumer goods multiplier is close to one.

present value consumer goods multiplier investment dynamics macroeconomic analysis

2024-02-02abs ↗pdf ↗

Robust Sparse Reduced Rank Regression in High Dimensionsstat.ML

Robust sparse reduced rank regression for high-dimensional data with heavy-tailed noise.

problem Analyzing large, complex high-dimensional data with heavy-tailed random noise.

method Convex relaxation of a rank- and sparsity-constrained non-convex optimization problem solved using the alternating direction method of multipliers.

result Established non-asymptotic estimation error bounds under Frobenius and nuclear norms, quantifying the tradeoff between heavy-tailedness and statistical bias.

reduced rank regression sparse learning high-dimensional data heavy-tailed noise convex optimization

2018-10-18abs ↗pdf ↗

Multiplier Hermitian-Einstein metrics on Fano manifolds of KSM-typemath.DG

Article establishes criteria for multiplier Hermitian-Einstein metrics on KSM-manifolds.

problem Existence of multiplier Hermitian-Einstein metrics on Fano manifolds.

method Criterion based on KSM-data and continuous paths connecting solitons.

result Explicit example of a KSM-manifold with a family of multiplier Hermitian-Einstein metrics.

multiplier Hermitian-Einstein metrics Fano manifolds Kähler-Ricci solitons Mabuchi solitons KSM-data

2022-04-04abs ↗pdf ↗

Schur Multipliers and Second Quandle Homologymath.GT

Defines a map linking quandle homology to Schur multiplier.

problem Understanding the relationship between quandle homology and Schur multiplier.

method Defined a map from second quandle homology to Schur multiplier and expressed second homology of Alexander quandles in terms of exterior algebras.

result Expressed the second homology of Alexander quandles in terms of exterior algebras.

Schur multiplier quandle homology Alexander quandles exterior algebras

2018-12-11abs ↗pdf ↗

TableNet: a multiplier-less implementation of neural networks for inferencingcs.LG

TableNet uses LUTs to create multiplier-less neural networks for faster inferencing.

problem Reducing the computational complexity and power consumption of neural networks during inference.

method Replacing matrix multiply and add operations with LUTs and additions, resulting in a completely multiplier-less implementation.

result Similar performance can be achieved with a comparable memory footprint as a full precision deep neural network, but without multipliers.

neural networks inference look-up tables multiplier-less deep learning

2019-05-25abs ↗pdf ↗

Einstein multiply warped products and generalized Kasner manifolds with multidimensional basemath.DG

The paper examines conditions for Einstein multiply warped products and estimates their parameters.

problem Existence and non-existence of non-trivial Einstein multiply warped products.

method Analyzes conditions for the existence or non-existence of Einstein multiply warped products, especially generalized Kasner type.

result Estimates the Einstein parameter that conditions the existence of such metrics.

Einstein multiply warped products generalized Kasner manifolds multidimensional base existence conditions non-existence conditions

2025-01-03abs ↗pdf ↗

Release of the Kraken: A Novel Money Multiplier Equation's Debut in 21st Century Bankingq-fin.GN

Historically, the banking multiplier has been in a range of 4 to 100, with 25% to 1% reserve ratios at most layers of the banking system encompassing the majority of its range in recent centuries. Here it is shown that multipliers over 1 000 can occur from a new mechanism in banking. This new multiplier uses a default …

2014-01-25abs ↗pdf ↗

Multiplier ideal sheaves and integral invariants on toric Fano manifoldsmath.DG

We extend Nadel's results on some conditions for the multiplier ideal sheaves to satisfy which are described in terms of an obstruction defined by the first author. Applying our extension we can determine the multiplier ideal sheaves on toric del Pezzo surfaces which do not admit Kähler-Einstein metrics. We also show t…

2007-11-05abs ↗pdf ↗

Valuation of Music Catalogsq-fin.PR

The study uses historical revenue data to forecast music catalog cashflows and multipliers.

problem Valuation of music catalogs based on historical revenue data.

method Risk-neutral approach using discounted cashflows formula.

result Ask prices are close to multipliers justified by median song cashflows, while best bids are near multipliers justified by bottom decile cashflows.

music catalogs cashflows discounted cashflows Royalty Exchange historical revenue

2022-09-20abs ↗pdf ↗

Efficient Numerical Conformal Mappings on Multiply Connected Riemann Surfacesmath.NA

Improved method for numerical conformal mappings on complex domains.

problem Accurate and efficient computation of conformal mappings on multiply connected domains.

method Generalization and refinement of the conjugate function method using high-order finite element methods.

result Achieved accurate and efficient construction of boundary values for multiply connected domains.

conformal mappings multiply connected domains numerical methods finite element methods Riemann surfaces

2025-09-02abs ↗pdf ↗

A note on the policy implications of the fiscal multiplierq-fin.GN

We present an elementary analysis of the dynamical aspects of the GDP / government surplus multiplier with relevance to the assessment of a country's debt repayment policy. We show the (at first) counter intuitive result that in order to reduce the Debt/GDP ratio, countries with high Debt to GDP should go into further …

2013-10-11abs ↗pdf ↗

Killing Vector Fields on Multiply Warped Products with a Semi-symmetric Metric Connectionmath.DG

In this paper, we define a semi-symmetric metric Killing vector field, then study semi-symmetric metric Killing vector fields on warped and multiply warped products with a semi-symmetric metric connection. We also study Killing and 2-Killing vector fields on multiply warped products.

2015-05-14abs ↗pdf ↗

Symmetries of

(2,3,5)

-distributions and associated Legendrian cone structuresmath.DG

New insights into $(2,3,5)$ -distributions via Legendrian curves.

problem Understanding symmetries of

(2,3,5)

-distributions.

method Exploiting a correspondence between distributions and lines on contact manifolds.

result One-to-one correspondence between equivalence classes of

(2,3,5)

-distributions and Legendrian curves.

$(2 3 5)$-distributions Legendrian curves holomorphic contact manifolds

2024-08-21abs ↗pdf ↗

An Efficient ADMM Algorithm for Structural Break Detection in Multivariate Time Seriesstat.ML

We present an efficient alternating direction method of multipliers (ADMM) algorithm for segmenting a multivariate non-stationary time series with structural breaks into stationary regions. We draw from recent work where the series is assumed to follow a vector autoregressive model within segments and a convex estimati…

2017-11-22abs ↗pdf ↗

Holomorphic last multipliers on complex manifoldsmath.DG

The goal of this paper is to study the theory of last multipliers in the framework of complex manifolds with a fixed holomorphic volume form. The motivation of our study is based on the equivalence between a holomorphic ODE system and an associated real ODE system and we are interested how we can relate holomorphic las…

2015-07-04abs ↗pdf ↗

Curvature of multiply warped products with an affine connectionmath.DG

In this paper, we study the Einstein multiply warped products with a semi-symmetric non-metric connection and the multiply warped products with a semi-symmetric non-metric connection with constant scalar curvature, we apply our results to generalized Robertson-Walker spacetimes with a semi-symmetric non-metric connecti…

2012-07-21abs ↗pdf ↗

Multiplier ideal sheaves and geometric problemsmath.DG

In this expository article we first give an overview on multiplier ideal sheaves and geometric problems in Kählerian and Sasakian geometries. Then we review our recent results on the relationship between the support of the subschemes cut out by multiplier ideal sheaves and the invariant whose non-vanishing obstructs th…

2009-10-20abs ↗pdf ↗

Weight

1/2

multiplier systems for the group

Γ_0^+(p)

and a geometric formulationmath.NT

Constructs weight 1/2 multiplier systems for a specific group and relates to geometric edge paths.

problem Constructing weight 1/2 multiplier systems for a specific group.

method Defines an eta function and Rademacher symbol, relates to geometric edge paths in a triangulation of the upper half plane.

result Relates weight 1/2 multiplier systems to geometric edge paths.

weight 1/2 multiplier systems group Γ0(p)eta function Rademacher symbol upper half plane

2023-05-22abs ↗pdf ↗

Multiply Warped Products with a Quarter-symmetric Connectionmath.DG

In this paper, we study the Einstein warped products and multiply warped products with a quarter-symmetric connection. We also study warped products and multiply warped products with a quarter-symmetric connection with constant scalar curvature. Then apply our results to generalized Robertson-Walker spacetimes with a q…

2014-10-01abs ↗pdf ↗

Last multipliers for multivectors with applications to Poisson geometrymath.DG

The theory of the last multipliers as solutions of the Liouville's transport equation, previously developed for vector fields, is extended here to general multivectors. Characterizations in terms of Witten and Marsden differentials are reobtained as well as the algebraic structure of the set of multivectors with a comm…

2007-07-02abs ↗pdf ↗

Laplacians on generalized smooth distributions as

C^*

-algebra multipliersmath.DG

The paper studies Laplacians on smooth distributions and proves they are multipliers in $C^*$ -algebras.

problem Understanding spectral properties of Laplacians on generalized smooth distributions.

method Survey of generalized smooth distributions, proof of Laplacian as a multiplier in foliation

C^*

-algebra.

result Laplacians on smooth distributions define unbounded multipliers in foliation

C^*

-algebras.

Laplacians smooth distributions C*-algebras spectral properties multipliers

2019-02-07abs ↗pdf ↗

Upper Confidence Primal-Dual Reinforcement Learning for CMDP with Adversarial Losscs.LG

New algorithm reduces regret and constraint violation in adversarial CMDP learning.

problem Online learning for episodic stochastically constrained Markov decision processes (CMDPs) with adversarial loss.

method Upper Confidence Primal-Dual Reinforcement Learning (UC-PDL) algorithm.

result Achieves

\widetilde{\mathcal{O}}(L|\mathcal{S}|\sqrt{|\mathcal{A}|T})

upper bounds of both regret and constraint violation.

Reinforcement Learning CMDP Adversarial Loss Upper Confidence Primal-Dual

2020-03-02abs ↗pdf ↗

Modified extremal Kähler metrics and multiplier Hermitian-Einstein metricsmath.DG

New Kähler metrics generalize Calabi's and relate to Fano manifolds.

problem Existence of extremal Kähler metrics on Fano manifolds.

method Introducing

σ

-extremal Kähler metrics and relating them to multiplier Hermitian-Einstein metrics.

result Existence of

σ

-extremal Kähler metrics implies existence of multiplier Hermitian-Einstein metrics on Fano manifolds.

Kähler metrics Fano manifolds extremal metrics coercivity multiplier Hermitian-Einstein

2024-05-09abs ↗pdf ↗

Low-Rank Tensors for Multi-Dimensional Markov Modelseess.SY

A low-rank tensor model simplifies multi-dimensional Markov chains.

problem Simplifying the dynamics of multi-dimensional Markov chains.

method Low-rank tensor decomposition for multi-dimensional state spaces.

result Our tensor model requires fewer parameters and samples than conventional methods.

Markov chains multi-dimensionality low-rank tensors tensor decomposition ADMM optimization

2024-11-04abs ↗pdf ↗

Characterizing the

2

-Killing vector fields on multiply twisted product spacetimesmath.DG

Study characterizes 2-Killing vector fields on complex spacetimes.

problem Characterize

2

-Killing vector fields on multiply twisted product spacetimes.

method Determine nonlinear differential equations, find twisted functions, provide solutions, and construct examples.

result Completely describe

2

-Killing vector fields and twisted functions on multiply twisted product spacetimes.

2-Killing vector fields multiply twisted product spacetimes differential equations generalized spacetimes

2023-10-30abs ↗pdf ↗

Geometric flow, Multiplier ideal sheaves and Optimal destabilizer for a Fano manifoldmath.DG

Donaldson's question answered for Fano manifolds using geometric flow and multiplier ideal sheaves.

problem Achieving the lower bound of the Calabi functional for Fano manifolds.

method Optimizing stability indicators via geometric flow and multiplier ideal sheaves.

result The stability indicator is optimized by multiplier ideal sheaves of weak geodesic rays.

Fano manifold Calabi functional Donaldson-Futaki invariant geometric flow multiplier ideal sheaves

2019-01-24abs ↗pdf ↗

The Schur multiplier of finite symplectic groupsmath.GT

We show that the Schur multiplier of $Sp(2g,\mathbb Z/D\mathbb Z)$ is $\mathbb Z/2\mathbb Z$ , when $D$ is divisible by 4.

2011-03-09abs ↗pdf ↗

Multiplying Matrices Without Multiplyingcs.LG

A new algorithm speeds up matrix multiplication without actual multiplication.

problem Efficiently multiplying matrices in machine learning.

method Learning-based algorithm that uses hashing, averaging, and byte shuffling.

result Often runs 100x faster than exact matrix products and 10x faster than current approximate methods.

matrix multiplication machine learning approximation learning-based algorithm hashing

2021-06-21abs ↗pdf ↗

Deep Constraint-based Propagation in Graph Neural Networkscs.LG

Proposes a new method for GNNs that avoids iterative node state convergence.

problem Iterative computation of node states in GNNs is inefficient and requires many epochs.

method Constrained optimization in the Lagrangian framework to learn transition function and node states simultaneously.

result The proposed method compares favorably with existing models on various benchmarks.

Graph Neural Networks Constrained Optimization Saddle Points Lagrangian Framework Node State Convergence

2020-05-05abs ↗pdf ↗

Local singularities of compact multiply warped Ricci flow solutionsmath.DG

Study on four-dimensional Ricci solitons and multiply warped Ricci flow solutions.

problem Characterizing singularities in Ricci flow solutions.

method Classification and rigorous examples of multiply warped Ricci flow solutions.

result Formation of generalized cylinder singularity models.

Ricci flow multiply warped singularities shrinking solitons cylindrical metrics

2025-02-12abs ↗pdf ↗

Gaussian Approximation and Multiplier Bootstrap for Polyak-Ruppert Averaged Linear Stochastic Approximation with Applications to TD Learningstat.ML

Paper improves confidence intervals for LSA with multiplier bootstrap.

problem Improving confidence intervals for parameter estimation in LSA.

method Berry-Esseen bound for multivariate normal approximation and multiplier bootstrap.

result Valid confidence intervals for parameter estimation in LSA.

Berry-Esseen bound multiplier bootstrap linear stochastic approximation parameter estimation temporal difference learning

2024-05-26abs ↗pdf ↗

Manhattan curves in complex dynamics and asymptotic correlation of multiplier spectramath.DS

The paper extends the Manhattan curve concept to complex dynamics and studies its relation to multiplier spectra.

problem Understanding the growth rate of lengths of closed geodesics in complex dynamics.

method Defining and studying the Manhattan curve for holomorphic endomorphisms of

\mathbb{C}\mathbb{P}^k

and relating it to multiplier spectra.

result The Manhattan curve for two holomorphic endomorphisms is related to the correlation number of their multiplier spectra.

Manhattan curve holomorphic endomorphisms multiplier spectra complex dynamics geodesics

2025-08-17abs ↗pdf ↗

Conformal structures with

G_2

-symmetric twistor distributionmath.DG

New classification of conformal structures with maximal $G_2$ symmetry.

problem Classifying conformal structures with maximal

G_2

symmetry.

method Complete local classification of homogeneous 4D split-conformal structures.

result Established a complete local classification of conformal structures with maximal

G_2

symmetry.

$G_2$-symmetry conformal structures twistor distribution rolling surfaces holonomy

2024-11-04abs ↗pdf ↗

Affine connections on singular multiply warped products and singular twisted productsmath.DG

The paper extends affine connection results to singular warped and twisted products.

problem Generalizing affine connections to singular warped and twisted products.

method Study of singular multiply warped products and singular twisted products with semi-symmetric metric and non-metric connections, discussing Koszul forms and curvature.

result Theoretical results on curvature and Koszul forms for singular multiply warped and twisted products.

Affine connections Singular warped products Singular twisted products Curvature Koszul forms

2022-05-19abs ↗pdf ↗

On the isoperimetric inequality and surface diffusion flow for multiply winding curvesmath.DG

Paper proves inequality for curves, applies to surface diffusion flow.

problem Proving isoperimetric inequality for non-convex curves.

method General form of isoperimetric inequality established.

result Global existence result for surface diffusion flow.

isoperimetric inequality surface diffusion flow multiply winding curves

2019-09-19abs ↗pdf ↗

The coefficients of the Jones polynomialmath.GT

The article calculates a multiplying factor to convert rational Vassiliev invariants to integer-valued ones.

problem Converting rational valued Vassiliev invariants to integer-valued ones.

method Calculates the minimal multiplying factor λ needed for rational Vassiliev invariants to become integer-valued.

result Obtains a set of integer-valued Vassiliev invariants.

Jones polynomial Vassiliev invariants rational numbers integer numbers multiplying factor

2022-02-10abs ↗pdf ↗

Gaussian Process Regression for Maximum Entropy Distributionstat.ML

Researchers use Gaussian processes to approximate Lagrange multipliers for Maximum-Entropy distributions.

problem Finding Lagrange multipliers for Maximum-Entropy distributions is computationally challenging.

method Employed Gaussian processes to approximate the Lagrange multipliers as a map of moments. Optimized hyperparameters by maximizing log-likelihood.

result Data-driven Maximum-Entropy closure performs well in approximating non-equilibrium distributions.

Maximum-Entropy Gaussian Processes Lagrange Multipliers Moment Closure Non-Equilibrium Distributions

2023-08-11abs ↗pdf ↗

Linear systems with neural network nonlinearities: Improved stability analysis via acausal Zames-Falb multiplierseess.SY

Improved stability analysis of neural network systems using Zames-Falb multipliers.

problem Analyzing stability of linear systems with neural network nonlinearities.

method Using integral quadratic constraints, sector-bounded and slope-restricted structure, and acausal Zames-Falb multipliers.

result Flexible and versatile framework for stability analysis with improved computational efficiency.

neural networks stability analysis Zames-Falb multipliers integral quadratic constraints discrete time systems

2021-03-31abs ↗pdf ↗