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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.

168,657 papers · 148 categories

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48 results for Causal Reduction

Method estimates causal effects from combined interventional and observational data.

problem Estimating causal effects from unobserved confounders.
method Causal reduction method replacing latent confounders with a single latent confounder.
result Improves estimation accuracy from combined data without observing all confounders.

Algorithm learns causal structures from time-series data, reducing tests for temporal vs. contemporaneous relations.

problem Learning causal structures from time-series data with latent confounders.
method Constraint-based algorithm that refines a causal graph by learning temporal relations first, then contemporaneous ones.
result Reduces the number of statistical tests and improves accuracy for synthetic and real-world data.

This work explains RL policies using causal models, revealing important patterns and failures.

problem Understanding why RL policies succeed or fail in complex, high-dimensional systems.
method Developed a nonlinear Causal Model Reduction framework to learn simplified causal models from RL policy actions and rewards.
result The approach can uncover important behavioral patterns and failure modes in trained RL policies.

Enhances MOT with causality constraints for better option pricing.

problem Limited applicability of traditional martingale optimal transport (MOT) for option pricing.
method Integrates causality constraints into MOT and proposes McCormick relaxations for computational tractability.
result Empirically, McCormick MOT yields significant price reductions for basket and digital options compared to classic MOT.

Optimal experiments tighten causal effect bounds efficiently.

problem Selecting experiments to tighten causal effect bounds from observational data.
method Formalized as max-potency problem, NP-hard. Polynomial-programming framework with graphical pruning criteria.
result Pruning criteria reduce search space significantly, enabling efficient experiment selection.

New method reduces bias in estimating causal effects from discretized variables.

problem Bias in estimating causal effects from discretized continuous variables.
method Proposes a bias-reduced functional that evaluates outcome regression at within-bin conditional means.
result Demonstrates substantial bias reduction and near-nominal confidence interval coverage.

Flow models recover causal transformations from observational data and a valid ordering.

problem Causal inference with only observational data and a valid causal ordering.
method Flow models that can recover component-wise, invertible transformations of exogenous variables.
result Flow models outperform previous methods and deliver consistent performance across various structural causal models.

ActiveCQ improves causal quantity estimation with active learning and Gaussian Processes.

problem Estimating causal quantities requires large datasets, which are costly.
method Unified framework using Gaussian Processes and conditional mean embeddings for distribution estimation. Derived principled acquisition strategies based on information gain and total variance reduction.
result Framework significantly outperforms baselines in sample efficiency across various causal quantities.

LILI clustering reduces bias in causal inference by grouping similar counterfactual outcomes.

problem Bias in causal inference from causal forest methods.
method LILI clustering algorithm integrates causal trees through leaf similarity.
result LILI clustering reduces bias and improves prediction accuracy for ATE.

Critiques causal reductionism in financial studies, suggesting alternative approaches.

problem Limitations of unidirectional causation in self-referencing systems like finance.
method Critical assessment of causal inference in empirical finance, using ecological models.
result Current financial tools may be limited to ex post inference, especially in reflexive contexts.

Study shows reducing anthropogenic emissions significantly lowers PM2.5PM_{2.5} levels but has little effect on O3O_3 in Delhi.

problem Understanding and mitigating the effects of anthropogenic emissions on air pollution in Delhi.
method Predictive modeling, causal inference, Gaussian Process modeling, Granger causality analysis.
result Reductions in anthropogenic emissions lead to significant decreases in PM2.5PM_{2.5} levels but have little effect on O3O_3.

Does adding a theorem to a paper affect its chance of acceptance? Does labeling a post with the author's gender affect the post popularity? This paper develops a method to estimate such causal effects from observational text data, adjusting for confounding features of the text such as the subject or writing quality. We…

2019-05-29abs ↗pdf ↗

Bayesian networks with hidden variables help identify causal relationships obscured by confounding.

problem Identifying causal relationships obscured by unobserved confounders.
method Use finite kk-mixtures of Bayesian networks with hidden variables to recover the joint probability distribution and identify causal relationships.
result First algorithm to learn mixtures of non-empty DAGs, recovering identifiable causal relationships.

Study open orbits in causal flag manifolds with applications in AQFT.

problem Understanding open orbits in causal flag manifolds for applications in AQFT.
method Analyzing open orbits of symmetric subgroups on causal flag manifolds, focusing on invariant causal structures and modular flows.
result Determine the positivity regions of modular flows and their global hyperbolicity for different types of open orbits.

The article explores causal structures in symmetric spaces and their relation to AQFT.

problem Understanding causal structures in symmetric spaces and their applications in AQFT.
method Classification of reductive causal symmetric spaces using Euler elements and 3-grading.
result Extraction of real Matsuki crowns and description of stabilizer groups of Euler elements.

A new method selects robust features for ML models using causal discovery.

problem Challenges in feature selection for ML models with limited domain knowledge.
method Multidata causal feature selection using PC1 or PCMCI algorithms.
result The method improves model performance and provides interpretable drivers.

BICauseTree improves causal effect estimation by identifying clusters and balancing treatment allocation.

problem Improving interpretability and transparency in causal effect models from observational data.
method Hierarchical bias-driven stratification using decision trees with a customized objective function.
result BICauseTree provides interpretable causal effect estimation and is comparable to existing methods.

ACI identifies cause-effect relationships and causal influence ranges in dynamical systems.

problem Detecting and quantifying causal influence ranges in complex systems.
method Bayesian data assimilation and assimilative causal inference (ACI) to trace causes back from observed effects.
result Mathematically rigorous formulations of forward and backward causal influence ranges (CIRs) for nonlinear dynamical systems.

We provide theoretical and empirical evidence for a type of asymmetry between causes and effects that is present when these are related via linear models contaminated with additive non-Gaussian noise. Assuming that the causes and the effects have the same distribution, we show that the distribution of the residuals of …

2014-09-16abs ↗pdf ↗

AnomalyCD discovers anomaly causes in large systems with binary flags, reducing computational burden.

problem Learning graphical causal models from large-scale binary anomaly data is computationally expensive.
method AnomalyCD uses anomaly data-aware causality testing, sparse data compression, and edge pruning.
result AnomalyCD reduces computation overhead and improves accuracy on binary anomaly datasets.

New method uses sufficient statistics to infer causal relationships from observational data.

problem Inferring causal relationships from observational data with hidden variables.
method Information Bottleneck method applied to find functional sufficient statistics.
result New causal rules not obtainable from standard methods, validated on simulated and real data.

Enhances optimization in multi-source settings with causal principles.

problem Optimizing functions with multiple sources of data and causal dependencies.
method Integrates Multi-Source Bayesian Optimization with Causal Bayesian Optimization principles.
result Improves optimization efficiency and reduces computational complexity.

Securely evaluates the benefits of merging datasets for causal estimation.

problem Challenges in assessing the value of merging datasets for causal treatment effect estimation.
method Cryptographically secure multi-party computation to evaluate Expected Information Gain (EIG) while ensuring privacy.
result Demonstrates the first privacy-preserving method for dataset acquisition tailored to causal estimation.

This work analyzes fairness-accuracy trade-offs using causal methods.

problem Discriminatory behavior in machine learning systems based on sensitive characteristics.
method Introduces path-specific excess loss (PSEL) and causal fairness/utility ratio to quantify trade-offs.
result Shows how enforcing fairness constraints can reduce discrimination while increasing loss.

Modified relative universality for unbiasedness and consistency in dimension reduction.

problem Gap in proof of unbiasedness and Fisher consistency in relative universality.
method Modified definition of relative universality using ǫ-measurability.
result Established unbiasedness and Fisher consistency rigorously.

Deconfounding scores improve causal effect estimation with weak overlap.

problem Poor overlap in treatment and control groups makes causal effect estimators brittle.
method Introduces feature representations that improve overlap without introducing bias.
result Deconfounding scores satisfy a zero-covariance condition that is identifiable in observed data.

A new sorting method using R2R^2 values improves causal discovery from noisy data.

problem Improving causal discovery from noisy observational data.
method Introducing R2R^2-sortability and an algorithm, R2R^2-SortnRegress, to find causal order.
result Sorting variables by increasing R2R^2 yields a close-to-causal order.

Corrects an earlier theorem, establishing new facts about information structures and non-anticipative aggregation.

problem The nature of information structures and their impact on non-anticipative aggregation.
method Local reduction of pricing to the natural price filtration, stability properties, and the establishment of new facts.
result Non-anticipative signals can reveal future information, requiring dependence among signals (masking relation) and not independence.

MediEncoder learns nonlinear representations for causal mediation analysis.

problem High-dimensional noisy covariates and mediators in biomedical studies.
method Coupled encoder-decoder architecture with cross-factor network.
result Improves estimation accuracy in high-dimensional causal mediation analysis.

Algorithm reduces variance in causal effect estimation from multiple datasets.

problem Unidentifiable average treatment effect in observational data due to selection bias.
method Constructs control variates using datasets where ATE is not identifiable to reduce variance.
result Significant reduction in variance of ATE estimate using control variates.

The paper reduces estimation error in predicting borrower repayment by accounting for lender's credit decisions.

problem Estimation error in predicting borrower repayment due to confounding effects.
method Proposes new estimators to reduce estimation error, combining theoretical analysis and numerical testing.
result The proposed estimators are unbiased, consistent, and robust, showing substantial reduction in estimation error.

MEC-IP uses IP to efficiently find MECs in BNs from observational data.

problem Discovering Markov Equivalent Classes (MECs) in Bayesian Networks (BNs) efficiently.
method Clique-focusing strategy and EMSG for MEC discovery via Integer Programming.
result Significant reduction in computational time and improved accuracy.