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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.

169,341 papers · 148 categories

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5491,0981,6462,195 · Jun 202019922001200920182026
48 results for probability one

New concept of attitude towards probability introduced in risk sharing problems.

problem Risk sharing problems and attitudes towards probability.
method Generalized definition of probability premium, local approximation, rank-dependent utility model, dual theory.
result Attitude towards probability can be first-order or second-order, depending on the model.

This paper uses RBM to calculate conditional probabilities for nonlinear system identification.

problem Challenges in obtaining probability distributions for nonlinear system identification.
method Modified RBM to calculate joint, input, and conditional probabilities.
result The method outperforms other black-box models in noisy, complex systems.

Identifies conditions for multiple invariant probabilities in Markov kernels.

problem Global irreducibility and recurrence do not guarantee uniqueness of invariant probabilities.
method Uses Jordan decomposition of the difference of two invariant probabilities.
result A Markov kernel has more than one invariant probability if and only if it admits a visible absorbing decomposition.

Estimates class posterior probabilities without using scores from classifiers.

problem Estimating class posterior probabilities for new points in classification tasks.
method Varying prior probabilities to derive the ratio of pdf's at point x, directly determining class posterior probabilities.
result A method to estimate posterior probabilities without relying on classification scores.

Probability calibration trees improve accuracy of probability estimates.

problem Improving accuracy and calibration of probability estimates from classifiers.
method Probability calibration trees modify logistic model trees to learn different models in regions of the input space.
result Probability calibration trees outperform isotonic regression and Platt scaling in terms of root mean squared error.

Interpretable classifier improves accuracy through probability series expansion.

problem Improving classifier accuracy while maintaining interpretability.
method Directly measures class probabilities from training data, refines predictions through series expansion.
result Achieves comparable accuracy to Random Forests on four datasets.

This work improves deep neural network probability estimation methods.

problem Estimating probabilities from high-dimensional data with inherent uncertainty.
method Investigates and compares methods for probability estimation using deep neural networks, proposing a new method that promotes consistent probabilities.
result The new method outperforms existing approaches on most metrics on simulated and real-world data.

Proposes unimodal probability distributions for better ordinal classification.

problem Undesired properties of cross-entropy loss distributions for ordinal classification.
method Uses Poisson and binomial distributions to constrain discrete ordinal probability distributions to be unimodal.
result Obtains promising results on deep learning ordinal image datasets.

Explicit formula derived for Slepian process boundary non-crossing probabilities.

problem Calculating boundary non-crossing probabilities for Slepian processes.
method Derived explicit formula and approximation formula for general continuous boundaries.
result Easy to implement formulas for boundary non-crossing probabilities.

Estimating IPM is as hard as estimating under IPM, both requiring similar optimal rates.

problem Estimating Integral Probability Metrics (IPMs) between probability measures.
method Study of minimax optimal rates for IPM estimation and under IPM estimation based on samples.
result Minimax optimal rates for estimating IPM and estimating under IPM are multiplicatively equivalent.

Study on identifying probability distributions from random data, showing computable partial learners exist.

problem Identifying probability distributions from random data samples.
method Algorithmic learning theory approach, focusing on computable probability measures and high oracles.
result Characterization of oracles that compute explanatory learners for computable probability measures.

We link probability density functions to Fisher information metrics.

problem Constructing probability density functions from Fisher information metrics.
method Utilizing the spatially disjoint product of probability density functions and their Fisher information metric tensors.
result A method for constructing arbitrary Riemannian Fisher information metric tensors.

A new framework for probabilistic learning using Maximum Probability Theorem.

problem Challenges in defining and quantifying model probabilities in probabilistic learning.
method Introduces a new probabilistic framework based on Maximum Probability Theorem, defining models as events with quantified probability measures.
result The probability of a model is invariant to reparameterization and depends solely on the likelihood function.

Investigates statistical properties of perturb-softmax and perturb-argmax distributions.

problem Underexplored statistical properties of Gumbel-Softmax and Gumbel-Argmax distributions.
method Investigates convexity and differentiability to determine completeness and minimality of these distributions.
result Identifies parameters that admit complete and minimal representation of probability distributions.

Maps sets to probability distributions to minimize information loss.

problem Learning to map sets to probability distributions to preserve information.
method Relates set operations to probability distribution interpolations and demonstrates a preliminary solution.
result Experimental results show the effectiveness of the set embedding approach.

This paper analyzes the probability flow in the stock market using the Black-Scholes model.

problem The non-conservation of probability in the stock market.
method Expressed the Black-Scholes equation in Hamiltonian form and analyzed the flow of probability.
result Conditions under which probability might be conserved in the market, challenging the non-Hermitian nature of the Black-Scholes Hamiltonian.

Paper constructs unfaithful probability distributions in binary causal graphs.

problem Unfaithful probability distributions in binary causal graphs.
method Constructs unfaithful probability distributions in binary causal graphs.
result Examples of unfaithful probability distributions in binary causal graphs.

The study evaluates Bregman divergences for learning crowd probabilities.

problem Learning crowd probabilities from global perspectives.
method Adapting machine learning models to target probability distributions using Bregman divergences.
result Special attention is needed when constructing objective functions for neural network optimization.

Quantum probability metrics improve distribution comparison in high dimensions.

problem Challenges in comparing probability distributions, especially in high-dimensional and non-compact domains.
method Quantum probability metrics (QPMs) derived from quantum state spaces, overcoming limitations of MMD.
result QPMs offer enhanced sensitivity to subtle distributional differences in high dimensions and improve performance in generative modeling.

The study examines Fisher-Riemann geodesics for nonparametric probability densities.

problem Understanding nonparametric probability densities using Fisher-Riemann geometry.
method Obtaining Fisher-Riemann geodesics as a limit of parametric cases with increasing parameters.
result The weak limit approach for nonparametric probability densities.

Bayesian approach approximates probability functions of Gaussian mixtures.

problem Approximating probability functions of non-spherical Gaussian mixtures.
method Bayesian decomposition, spherical radial decomposition, random sampling.
result Established differentiability and integral representation of gradient for probability functions.

Geometric calculus on probability simplex using Wasserstein metric.

problem Calculus on the probability simplex with Wasserstein metric.
method Embedding probability simplex in positive measure space with nonlinear metric tensor, deriving Christoffel symbols, connections, curvature tensors, and operators.
result Established geometric computations on probability manifold and density space, connecting Fisher-Rao and optimal transport metrics.

We describe a Groebner basis of relations among conditional probabilities in a discrete probability space, with any set of conditioned-upon events. They may be specialized to the partially-observed random variable case, the purely conditional case, and other special cases. We also investigate the connection to generali…

2008-08-08abs ↗pdf ↗

Paper simplifies calculating causation probabilities and ranks root causes.

problem Computational challenges in assessing causal relationships.
method Algorithmic simplifications and novel methodological framework for Root Cause Analysis.
result Significantly reduces computational complexity for calculating causation probabilities.

The paper explores geometry of probability measures and barycenter maps.

problem Understanding the space of probability measures and their barycenter.
method Information geometry, Fisher metric, dualistic structures, divergences, geodesics.
result Recent developments in the geometry of probability measures and barycenter.

The law of total probability may be deployed in binary classification exercises to estimate the unconditional class probabilities if the class proportions in the training set are not representative of the population class proportions. We argue that this is not a conceptually sound approach and suggest an alternative ba…

2013-12-02abs ↗pdf ↗

This study redefines probability for finite outcomes using axioms and examples.

problem Defining probability for finite outcomes and preserving information.
method Developed three axioms for relative probability functions and provided examples and a system for their composition.
result Proved the topological closure of the relative probability space, preserving information under limits.