Research
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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.

168,695 papers · 148 categories

Trend · papers per month

count% of corpus
0111 · Jun 202119922001200920172026
9 results for “Locally-balanced”
Local and Global Balance in Financial Correlation Networks: an Application to Investment Decisionsq-fin.PM

The study identifies assets with local balance deviating from global balance to mitigate financial risk.

problem Selecting outperforming assets during financial crises.
method Investigates deviations of local balance from global balance as a criterion for asset selection.
result Assets with local balance deviating from global balance can mitigate financial risk.
financial correlation networkslocal balanceglobal balanceinvestment decisionsfinancial crises
2025-12-11abs ↗pdf ↗
Optimal design of the Barker proposal and other locally-balanced Metropolis-Hastings algorithmsstat.CO

Optimizes Metropolis-Hastings algorithms for efficient sampling in high dimensions.

problem Efficiently sampling from complex target distributions in high-dimensional spaces.
method Analyzes and optimizes the Barker proposal and other locally-balanced algorithms.
result Derives optimal noise distribution and balancing function for the Barker proposal.
Metropolis-HastingsOptimizationLocally-balancedBarker proposalHigh dimensions
2022-01-04abs ↗pdf ↗
A Combinatorial Presentation for Branched Coverings of the 2-Spheremath.GT

Extends Thurston's combinatorial characterization to all branched coverings of the 2-sphere.

problem Characterizing branched coverings of the 2-sphere.
method Generalizing Thurston's local balancing to all branched coverings.
result Provides a new proof for a theorem concerning real rational functions.
Thurston's combinatorial characterizationbranched coveringslocal balancingreal rational functionsenumerative geometry
2023-04-14abs ↗pdf ↗
Efficient Informed Proposals for Discrete Distributions via Newton's Series Approximationcs.LG

Paper develops a gradient-like proposal for discrete distributions without requiring natural differentiability.

problem Lack of natural differentiability in proposal distributions for discrete distributions.
method Locally-balanced proposal combined with Newton's series expansion for efficient exploration.
result Method guarantees convergence rate and outperforms alternatives in various experiments.
Markov chain Monte Carlodiscrete distributionsgradient approximationNewton's seriesproposal distributions
2023-02-27abs ↗pdf ↗
A Stationary-Distribution Theory for Triplet-Based Plateau Search in Random Forest Ensemble-Size Selectioncs.LG

The paper develops a stationary-distribution theory for Random Forest ensemble size selection.

problem Determining the optimal number of trees in Random Forests.
method Modeling the ensemble size as a birth-death Markov chain and deriving its stationary distribution.
result The stationary ensemble size B∗B_* scales as O(ε−2)O(\varepsilon^{-2}) as ε↓0\varepsilon\downarrow 0.
Random Forestsensemble sizestationary distributionbirth-death processMarkov chain
2026-06-29abs ↗pdf ↗
Discrete Bakry-Émery curvature tensors and matrices of connection graphsmath.CO

New curvature tensor and matrices for connection graphs derived from Bakry-Émery curvature.

problem Deriving Buser-type bounds on eigenvalues of connection Laplacians.
method Reformulation of Bakry-Émery curvature through curvature matrices and tensor representations.
result Extension of curvature matrices to connection graphs, addressing eigenfunction challenges.
Bakry-Émery curvatureconnection graphseigenvalueseigenfunctionsCartesian products
2022-09-22abs ↗pdf ↗