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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.

168,932 papers · 148 categories

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22446688 · Jun 202619922001200920172026
48 results for conformance checking

This paper evaluates conformance measures in process mining using conformance propositions.

problem Lack of formal definition and evaluation of conformance measures in process mining.
method Formulated 21 conformance propositions to evaluate existing measures.
result Identified challenges and requirements for conformance measures in process mining.

Study how past radiation determines present matter in Penrose's cyclic cosmology.

problem Determining matter content in the present eon from past radiation in Penrose's cyclic cosmology.
method Solve Einstein's equations for a spherical wave in the past eon, then apply reciprocity to find the present eon's matter content.
result The present eon is filled with three types of radiation: a damped wave, an in-going wave, and randomly scattered waves.

As a generalization of semi-invariant submersions, we introduce conformal semi-invariant submersions from almost Hermitian manifolds onto Riemannian manifolds. We give examples, investigate the geometry of foliations which are arisen from the definition of a conformal submersion and show that there are certain product …

2015-05-27abs ↗pdf ↗

We introduce conformal anti-invariant submersions from almost Hermitian manifolds onto Riemannian manifolds. We give examples, investigate the geometry of foliations which are arisen from the definition of a conformal submersion and find necessary and sufficient conditions for a conformal anti-invariant submersion to b…

2015-04-22abs ↗pdf ↗

ToolChain-CRC addresses the risk-control problem for retrieval-augmented and tool-using agents under drift.

problem Risk-control problem for retrieval-augmented and tool-using agents under drift.
method ToolChain-CRC uses conformal risk-control under exchangeable calibration runs.
result Trajectory-level risk control keeps accepted-trajectory risk below the target.

PCS-UQ framework improves uncertainty quantification for machine learning models.

problem Ensuring trustworthy uncertainty quantification for machine learning models in high-stakes domains.
method PCS-UQ framework based on Predictability, Computability, and Stability principles, integrating prediction-checking, bootstrap samples, and multiplicative calibration.
result PCS-UQ maintains target coverage while outperforming or matching conformal methods in interval width and subgroup coverage.

We study the Yamabe invariants of cylindrical manifolds and compact orbifolds with a finite number of singularities, by means of conformal geometry and the Atiyah-Patodi-Singer L2L^2-index theory. For an nn-orbifold MM with singularities ΣΓ={(pˇ1,Γ1),...,(pˇs,Γs)}Σ_Γ = \{(\check{p}_1, Γ_1), ..., (\check{p}_s, Γ_s)\} (where each group $Γ_j<O…

2002-04-05abs ↗pdf ↗

Paper constructs new non-Anosov Partially Hyperbolic Geodesic flows using conformal deformations.

problem Creating new non-Anosov Partially Hyperbolic Geodesic flows.
method Using conformal deformations to produce examples of partially hyperbolic geodesic flows.
result Proves ergodicity for the Liouville measure and uniqueness of the measure of maximal entropy.

We find necessary and sufficient conditions ensuring that the vacuum development of an initial data set of the Einstein's field equations admits a conformal Killing vector. We refer to these conditions as conformal Killing initial data (CKID) and they extend the well-known Killing initial data (KID) that have been know…

2019-05-03abs ↗pdf ↗

New functions derived from arrow diagrams for spherical curves, invariant under certain deformations.

problem Defining and analyzing integer-valued functions on spherical curves.
method Introducing new functions and relators to study spherical curves and their isotopy classes.
result Functions derived from arrow diagrams are invariant under specific deformations.

The paper studies curvature surfaces in conformally flat hypersurfaces and their extensions and approximations.

problem Analyzing curvature surfaces in conformally flat hypersurfaces and their properties.
method Using the Poincaré metric to determine curvature surfaces and extending them analytically.
result Curvature surfaces extend to certain sets in \(\mathbb{R}^2\) and have specific properties like parallel small circles at limits.

This paper deforms complex tori and their mirrors using gerbes.

problem Deforming complex tori and their mirror partners.
method Using flat gerbes to deform complex tori and their mirrors, constructing holomorphic line bundles over deformed objects.
result Deformed complex tori and their mirrors can be studied using flat gerbes.

We present a number of conditions which are necessary for an n-dimensional projective structure (M,[nabla]) to include the Levi-Civita connection nabla of some metric on M. We provide an algorithm, which effectively checks if a Levi-Civita connection is in the projective class and, in the positive, which finds this con…

2010-03-07abs ↗pdf ↗

Statistical model checking for PCTL on MDPs using reinforcement learning.

problem Model checking PCTL specifications on MDPs with statistical methods.
method Reinforcement learning for policy search, statistical model checking with UCB-based Q-learning.
result Provably guaranteed statistical model checking method for PCTL specifications on MDPs.

Derives formulas for extrinsic Paneitz operator and QQ-curvature in general dimensions.

problem Calculating extrinsic conformal invariants for hypersurfaces in Riemannian manifolds.
method Explicit formulas derived using local conformal invariants and non-trivial local conformal invariant C\mathcal{C}.
result Explicit formulas for extrinsic Paneitz operator and QQ-curvature in general dimensions.

New neural network solves Nirenberg problem for curvature on sphere.

problem Prescribing Gaussian curvature on S2S^2 for metrics conformal to the round metric.
method Mesh-free physics-informed neural network (PINN) that directly parametrises the conformal factor.
result Neural network achieves very low losses for realisable curvatures, distinguishing them from non-realisable ones.

Time-aware fact-checking improves veracity predictions for time-sensitive claims.

problem Fact-checking decisions should consider temporal information of claims and evidence.
method Investigated four temporal ranking methods to optimize evidence ranking for fact-checking models.
result Time-aware evidence ranking surpasses relevance assumptions and improves veracity predictions for time-sensitive claims.

Proves SYZ mirror symmetry for del Pezzo and rational elliptic surfaces.

problem Proving mirror symmetry for specific Calabi-Yau surfaces.
method Adapting Hein's work, constructing asymptotically semi-flat Calabi-Yau metrics, and defining a mirror map.
result Existence and uniqueness of Calabi-Yau metrics on YDY\setminus D.

We describe the infinitesimal moduli space of pairs (Y,V)(Y, V) where YY is a manifold with G2G_2 holonomy, and VV is a vector bundle on YY with an instanton connection. These structures arise in connection to the moduli space of heterotic string compactifications on compact and non-compact seven dimensional spaces, e.…

2016-07-12abs ↗pdf ↗

By the SYZ construction, a mirror pair (X,Xˇ)(X,\check{X}) of a complex torus XX and a mirror partner Xˇ\check{X} of the complex torus XX is described as the special Lagrangian torus fibrations XBX \rightarrow B and XˇB\check{X} \rightarrow B on the same base space BB. Then, by the SYZ transform, we can construct a simpl…

2019-05-02abs ↗pdf ↗

We prove the following result announced in Todorov and Valov: Any homogeneous, metric ANRANR-continuum is a VGnV^n_G-continuum provided dimGX=n1\dim_GX=n\geq 1 and Hˇn(X;G)0\check{H}^n(X;G)\neq 0, where GG is a principal ideal domain. This implies that any homogeneous nn-dimensional metric ANRANR-continuum with $\check{H}^n(X;G)\neq…

2012-08-31abs ↗pdf ↗

We specify a result of Yokoi \cite{yo} by proving that if GG is an abelian group and XX is a homogeneous metric ANRANR compactum with dimGX=n\dim_GX=n and Hˇn(X;G)0\check{H}^n(X;G)\neq 0, then XX is an (n,G)(n,G)-bubble. This implies that any such space XX has the following properties: Hˇn1(A;G)0\check{H}^{n-1}(A;G)\neq 0 for every closed…

2014-03-18abs ↗pdf ↗

We create a large dataset for fact checking claims and improve prediction accuracy.

problem Fact checking claims from multiple sources is challenging.
method We created a comprehensive dataset and developed a novel method for automatic veracity prediction.
result Our model achieves a Macro F1 of 49.2%, showing significant performance improvements.

The paper proposes a tool to detect invalid inputs in DL models.

problem Vulnerability of DL models to invalid inputs during runtime.
method Design and implementation of a tool that extracts data flow footprints and conducts assertion-based validation.
result The assertion-based data sanity check mechanism effectively identifies invalid input cases.

New method evaluates language model forecasters by checking consistency of predictions.

problem Evaluating the performance of language model forecasters is difficult due to lack of ground truth.
method Developed a consistency check framework based on arbitrage to evaluate forecasters.
result Consistency metrics correlate with ground truth performance of LLM forecasters.

SANST uses self-attentive networks with spatial and temporal embeddings for better POI recommendations.

problem Next point-of-interest (POI) recommendation for users based on their history.
method SANST incorporates spatio-temporal patterns into self-attentive networks.
result SANST outperforms state-of-the-art models by up to 13.65% in nDCG@10.

This paper enhances privacy in statistical model checking of cyber-physical systems.

problem Privacy concerns in consumer-level applications due to statistical model checking.
method Proposes expected differential privacy and a new exponential mechanism for sequential algorithms.
result Demonstrates a novel mechanism to preserve privacy in statistical model checking.

Constructing brane quantization for AnA_n-resolutions using SYZ mirror symmetry.

problem Quantizing branes on singular fibers using SYZ mirror symmetry.
method Constructing coisotropic A-branes and their mirrors via fiberwise geometric quantization.
result Establishing a mirror isomorphism between endomorphism algebras.

A novel fact-checking method using debate dynamics on knowledge graphs.

problem Fact-checking on knowledge graphs with user comprehension and interactive reasoning.
method Reinforcement learning agents debate on paths in the graph to classify facts as true or false.
result Interactive reasoning and user understanding of AI decisions on knowledge graphs.

The paper proposes a method to evaluate superhuman models by checking for logical inconsistencies.

problem Evaluating superhuman models when ground truth is hard to obtain.
method A framework using consistency checks to identify logical inconsistencies in model decisions.
result Logical inconsistencies can be discovered in superhuman model decisions across various tasks.

The chapter improves deep learning models by interpreting and improving their performance.

problem Deep learning models often lack interpretability, leading to poor understanding of their predictions.
method The approach involves attributing importance to features and feature groups, including interactions, to improve model performance.
result The proposed attributions provide insights across various domains and can be used to improve model generalization.

Scalable model checking for stochastic systems using Gaussian Processes and Bayesian Neural Networks.

problem Efficiently verifying properties of stochastic systems with high-dimensional parameter spaces.
method Stochastic Variational Smoothed Model Checking (SV-smMC) using Gaussian Processes and Bayesian Neural Networks.
result SV-smMC scales to larger datasets and enables application to high-dimensional parameter spaces.