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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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59118177236 · Jun 202019922001200920182026
48 results for Interpretable decomposition

Improves PARAFAC tensor decomposition rank estimation for better interpretability and accuracy.

problem Estimating the optimal number of latent factors in PARAFAC tensor decomposition.
method Automatically determines the rank using Core Consistency Diagnostic (CORCONDIA) and explores the trade-off between interpretability and predictive accuracy.
result Striking a good balance between interpretability and accuracy benefits rank estimation.

SCTD extracts interpretable spatio-temporal modes from high-dimensional data.

problem Analyzing complex, multivariate data with temporal dependencies.
method Shape Constrained Tensor Decomposition using sparse representations.
result More interpretable spatio-temporal modes extracted.

SurvFD and SurvSHAP-IQ provide interpretable survival models by analyzing feature interactions.

problem Non-additivity of hazard and survival functions limits standard additive explanation methods.
method SurvFD decomposes higher-order effects into time-dependent and time-independent components, extending Shapley interactions to time-indexed functions.
result SurvFD and SurvSHAP-IQ offer a new perspective on survival explanations, explicitly characterizing feature interactions.

APD method decomposes neural network parameters into simple, faithful components.

problem Understanding the internal mechanisms learned by neural networks.
method Attribution-based Parameter Decomposition (APD) method.
result Demonstrated effectiveness in recovering features, separating computations, and identifying representations.

The paper proposes a new method for online image decomposition using auto-encoders.

problem Building a part-based representation of image datasets for interpretation and online computation.
method Sparse, non-negative auto-encoder with deep encoder and shallow decoder for online computation.
result The method outperforms state-of-the-art online methods on MNIST and Fashion MNIST datasets.

Paper proposes a method to interpret neural networks by decomposing them into simpler tasks.

problem Understanding the complex nonlinear relationships in trained neural networks.
method Non-negative matrix factorization applied to a trained layered neural network.
result Reveals the roles of hidden units in terms of their contribution to each principal task.

Generalizes Hoeffding's decomposition for dependent inputs under mild conditions.

problem Performing global sensitivity analysis on black-box models with dependent inputs.
method Proposes a novel framework based on probability theory, functional analysis, and combinatorics to handle dependencies.
result Any square-integrable, real-valued function of random elements with mild dependence assumptions can be uniquely additively decomposed.

SWoTTeD discovers hidden temporal patterns in EHR data.

problem Complex temporal patterns in EHR data.
method Sliding Window for Temporal Tensor Decomposition (SWoTTeD) with constraints and regularizations.
result SWoTTeD achieves at least as accurate reconstruction as state-of-the-art models and extracts meaningful temporal phenotypes.

This paper reviews methods for discovering patient subgroups from EHR data.

problem Discovering subgroups of patients and co-occurring medical conditions from EHR data.
method Low-rank data approximation methods like matrix and tensor decompositions.
result These methods provide transparent and interpretable insights into patient phenotypes.

We solve the ANOVA decomposition for categorical inputs.

problem Lack of a closed-form expression for ANOVA decomposition with categorical dependent variables.
method Bridge functional analysis with discrete Fourier analysis to derive a closed-form decomposition.
result Closed-form decomposition for categorical inputs without assumptions.

The paper proves Hodge decompositions and partial bar partial lemmas for G2 and Calabi-Yau manifolds.

problem Proving Hodge decompositions and partial bar partial lemmas for G2 and Calabi-Yau manifolds.
method Defining cohomology spaces analogous to Bott-Chern cohomology and relating them to harmonic forms on the manifolds.
result Geometric interpretation of cohomology classes in terms of submanifolds and gerbes for G2 manifolds.

A new tensor decomposition method for fMRI data captures both spatial and temporal variability.

problem Challenges in modeling shared and subject-specific structure in multisubject spatiotemporal data, especially in neuroimaging.
method Introduces a spatiotemporal variational tensor decomposition (ST-VTD) framework combining tensor factorization with structured priors for flexible representation of spatial and temporal dynamics.
result Significantly improves latent factor recovery in fMRI data compared to classical and probabilistic decomposition benchmarks.

A new model decomposes market variability into interpretable components.

problem Understanding the factors driving market variability and predicting future movements.
method H-SGDLM framework with HAR-RV model for GPU-scalable multivariate volatility estimation.
result Superior performance in predicting large moves and longer-term market variability.

The paper explores geometric decompositions for Ricci tensors and their applications.

problem Understanding Ricci tensors on compact Riemannian manifolds.
method Utilizes Berger-Ebin and York L2L^2-orthogonal decompositions.
result New insights into Ricci almost solitons and harmonic maps.

Optimized DMD for fast atmospheric chemistry forecasting.

problem Forecasting global atmospheric chemistry dynamics efficiently.
method Optimized Dynamic Mode Decomposition (DMD) for reduced order modeling.
result Significant improvement in computational speed and interpretability.

TRIM improves interpretability of deep neural networks in cosmology.

problem Understanding which features a deep neural network uses in a transformed space.
method TRIM (Transformation IMportance) attributes importances to features in a transformed space.
result Combining TRIM with contextual decomposition helps identify physical features learned by DNNs.

Study shows how noise and distractions affect neural network explanations.

problem Lack of consideration for noise and distractions in neural network explanations.
method Examined the impact of noise and distracting elements on neural network interpretation models.
result Noise and distracting elements influence the results of neural network explanations.

Classifies collective motions in biological networks using graph dynamic mode decomposition.

problem Classifying complex collective motions in biological networks based on transient and complexly changing network properties.
method Data-driven spectral analysis (graph dynamic mode decomposition) to extract dynamical properties.
result Contextual node information and physical properties are crucial for classifying collective motions.

A new method purifies interaction effects in models to improve interpretability.

problem Interaction effects can be misinterpreted as separate main effects, complicating model interpretation.
method Proposes pure interaction effects and a Functional ANOVA decomposition algorithm to identify and isolate interaction effects.
result Identifies and separates interaction effects from main effects, showing large disparities in model interpretation.

Proposes using Dynamic Mode Decomposition with delays for short-term human motion anticipation.

problem Lack of interpretability and explainability in neural network-based motion anticipation methods.
method Dynamic Mode Decomposition with delays for motion representation and prediction.
result Anticipation errors comparable or better than recurrent neural networks for very short times.

Improved SVM classification with interpretable features from scattered data.

problem Classification of scattered data points in high-dimensional spaces.
method Truncated ANOVA decomposition for sparse feature selection; use of trigonometric or wavelet feature maps.
result Better classification accuracy and interpretability with 1\ell_1-norm regularization.

VDA improves disentanglement of latent representations in complex signals.

problem Learning disentangled and interpretable representations in nonstationary, high-dimensional time-evolving signals.
method Variational decomposition autoencoding (VDA) framework, incorporating signal decomposition, contrastive self-supervised task, and variational prior approximation.
result DecVAEs surpass state-of-the-art VAE-based methods in disentanglement quality and generalization.

ED-VAE improves VAEs by explicitly including entropy components in ELBO.

problem Limitations of traditional VAEs with ELBO in generating high-quality samples and interpreting latent spaces.
method Introduces ED-VAE, a re-formulation of ELBO that includes entropy and cross-entropy components.
result Significantly enhances model flexibility and improves interpretability and generative performance.

We break down transformer embeddings into interpretable components revealing hidden geometric structures.

problem Understanding the hidden geometry and interpretability of transformer models.
method Decomposed transformer embeddings into position, context, and residual components.
result Pervasive mathematical structure in transformer embeddings, including position and context vectors.

t-PINE learns interpretable node embeddings from graph data.

problem Lack of interpretability and predictability in graph representation learning.
method t-PINE uses a multi-view graph, combining adjacency matrix and nearest neighbor adjacency, for CP decomposition.
result t-PINE significantly outperforms baseline methods in multi-label classification problems.

New method for interpreting complex ML models.

problem Interpreting complex black-box ML models.
method Functional decomposition of black-box predictions into simpler subfunctions.
result Main effects provide insights into feature contributions and interactions.

Develops exact and invariant study-based decompositions for network meta-analysis.

problem Lack of exact contribution decompositions in network meta-analysis.
method Contrast-space projection formulation of NMA, study-based definition of direct and indirect evidence.
result Exact covariance-aware decompositions of NMA estimator into direct and indirect contributions.

New symplectic caps and embeddings found in complex projective plane.

problem Embeddings of homology balls in complex projective plane.
method Handlebody construction of symplectic caps and embeddings.
result First examples of symplectic handlebody decompositions of a closed symplectic 4-manifold.

Geometrically describes hyperbolic structures on link complements using quantum groups.

problem Describing hyperbolic structures on link complements algebraically.
method Uses octahedral decomposition and Kashaev-Reshetikhin's braiding on quantum group Uξ(sl2)\mathcal{U}_ξ(\mathfrak{sl}_2).
result Shows how to interpret geometrically the algebraic gluing equations for hyperbolic structures.

A new method adds pseudo-data to tensor decomposition to improve accuracy and enforce various regularizations.

problem No general method to regularize tensor decomposition methods.
method Supplement training data with pseudo-data to balance true data and desired regularization.
result Improves inference accuracy and enforces various regularizations on synthetic and real data.

We provide a unified view of additive explanations for dependent inputs.

problem Challenges in obtaining a tractable representation and estimating the decomposition for dependent inputs.
method Combining Hilbert space methods with generalized functional ANOVA, we build an explicit decomposition Riesz Basis.
result Proposed a simple yet powerful algorithm to estimate the decomposition from data.