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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.

169,291 papers · 148 categories

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2875738601,146 · Jun 202019922001200920182026
48 results for Set Covering Machines

Invariant Causal Set Covering Machines avoid spurious associations.

problem Learning algorithms for rule-based models are vulnerable to spurious associations.
method Building on invariant causal prediction, propose Invariant Causal Set Covering Machines for conjunctions/disjunctions of binary-valued rules.
result The method can identify causal parents of a variable of interest in polynomial time.

This paper explains how model invariance improves generalization using data transformations.

problem Understanding why model invariance leads to better generalization performance.
method Introducing sample cover induced by transformations and refining generalization bounds.
result The sample covering number can be used to evaluate and select suitable data transformations.

Lecture notes on advanced linear regression methods.

problem Understanding the properties of linear regression estimators in high dimensions.
method Proposition-proof exploration of least squares, ridgeless, ridge, and lasso estimators.
result Detailed analysis of the existence, uniqueness, relations, computation, and non-asymptotic properties of these estimators.

The paper debiases machine learning predictions to correct bias in regression coefficients.

problem Bias in regression coefficients from machine learning predictions.
method Proposes an adversarial machine learning algorithm to de-bias predictions.
result Adversarial predictions recover true coefficients, while naive predictions are biased.

Support vector classifier constructs confidence sets for binary classification.

problem Learning confidence sets with specific probability guarantees for binary classification.
method Support vector classifier to construct confidence sets.
result The proposed learner controls non-coverage rates and minimizes ambiguity with high probability.

We introduce a new nearest-prototype classifier, the prototype vector machine (PVM). It arises from a combinatorial optimization problem which we cast as a variant of the set cover problem. We propose two algorithms for approximating its solution. The PVM selects a relatively small number of representative points which…

2009-08-17abs ↗pdf ↗

Optimizes machine learning and system identification for real-world physical systems.

problem Estimating parameters in complex, real-world physical systems.
method Combines classical system identification and modern machine learning techniques using optimization-based approaches.
result Developed regularization strategies to incorporate prior knowledge into flexible models.

This paper reviews various sampling methods from statistics and machine learning.

problem Addressing sampling methods in statistics and machine learning.
method Explains and reviews simple random sampling, bootstrapping, stratified sampling, cluster sampling, multistage sampling, network sampling, snowball sampling, and sampling from cumulative distribution function.
result Summarizes characteristics, pros, and cons of different sampling methods.

New method uses weak labels to create valid confidence sets for predictions.

problem Lack of labeled data in machine learning models.
method Developed a conformal prediction framework to provide valid predictive confidence sets using weakly labeled data.
result New coverage definition allows for tighter and more informative (but valid) confidence sets.

Surveying machine learning methods for economic forecasting.

problem Improving accuracy of economic forecasts using machine learning.
method Nowcasting, textual data, panel and tensor data, high-dimensional Granger causality tests, time series cross-validation, classification with economic losses.
result Recent advances in machine learning methods enhance economic forecasting accuracy.

Machine learning improves cloud cover forecasting.

problem Improving accuracy of total cloud cover predictions.
method Investigated multilayer perceptron, gradient boosting machines, random forest, logistic regression models.
result RF models provide the smallest increase in predictive performance, while MLP, POLR, and GBM approaches perform best.

Tackles bridging machine learning and control theory for safety-critical systems.

problem Ensuring reliability and safety in machine learning applications for safety-critical systems.
method Review of recent advances in learning and control theory, historical context.
result Importance of control theorists joining the conversation on learning-related problems.

Proper branched coverings are homeomorphisms on 3D balls or when branch set is empty.

problem Global injectivity of proper branched coverings on Euclidean balls.
method Analyzing the global injectivity of proper branched coverings defined on the Euclidean nn-ball.
result Proper branched coverings are homeomorphisms on 3D balls or when branch set is empty.

Bayesian framework improves ML classification models' uncertainty estimates.

problem Ensuring trustworthy AI predictions with explicit uncertainty quantification.
method Proposes a Bayesian framework for generative ML classification models that accounts for input measurement uncertainty.
result The BQDA model outperforms other models in terms of interpretability, explicit uncertainty modeling, and computational efficiency.

A subset of the sphere is said short if it is contained in an open hemisphere. A short closed set which is geodesically convex is called a cap. The following theorem holds: 1. The minimal number of short closed sets covering the nn-sphere is n+2n+2. 2. If n+2n+2 short closed sets cover the nn-sphere then (i) their inte…

2015-12-20abs ↗pdf ↗

Open and discrete maps with specific branch set images are equivalent to PL branched covers.

problem Understanding the equivalence of open and discrete maps and PL branched covers.
method Demonstrated that an open and discrete map f ⁣:SnoSnf \colon \mathbb{S}^n o \mathbb{S}^n with a specific branch set image is equivalent to a PL branched cover up to homeomorphism.
result Open and discrete maps with a specific branch set image are equivalent to PL branched covers.

We present a new application and covering number bound for the framework of "Machine Learning with Operational Costs (MLOC)," which is an exploratory form of decision theory. The MLOC framework incorporates knowledge about how a predictive model will be used for a subsequent task, thus combining machine learning with t…

2011-04-27abs ↗pdf ↗

A tutorial on neural machine translation and sequence-to-sequence models.

problem Handling human language through modeling sequential data.
method Explains and delves into neural networks and natural language processing techniques.
result Powerful tools for modeling sequential data in natural language.

Study examines AI's role in robo-investing, focusing on benefits for specific investors.

problem Understanding the benefits of robo-investing for different investor types.
method Used a unique data set of brokerage accounts, analyzed various robo-investing strategies, compared human vs. machine performance.
result AI can provide benefits to low-income and high-risk-averse investors.

In this paper we consider completed coverings that are branched coverings in the sense of Fox. For completed coverings between PL manifolds we give a characterization of the existence of a monodromy representation and the existence of a locally compact monodromy representation. These results stem from a characterizatio…

2014-06-25abs ↗pdf ↗

The paper studies liftable mapping class groups of cyclic covers of spheres.

problem Understanding liftable mapping class groups of cyclic covers of spheres.
method Derived finite generating sets, provided algorithms, determined isomorphism classes, derived presentations, and calculated normalizers and centralizers.
result Presentations and isomorphism classes of liftable mapping class groups for various covers.

In this paper we study the homeomorphisms of the disk that are liftable with respect to a simple branched covering. Since any such homeomorphism maps the branch set of the covering onto itself and liftability is invariant up to isotopy fixing the branch set, we are dealing in fact with liftable braids. We prove that th…

2001-07-16abs ↗pdf ↗