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20 results for “surrogate model”

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cs.LGcs.AIRecentJun 1, 2026

TN-SHAP-G: Graph-Structured Tensor Network Surrogates for Shapley Values and Interactions

Farzaneh Heidari, Guillaume Rabusseau

The paper introduces TN-SHAP-G, a novel framework that uses graph-structured tensor networks to efficiently approximate and compute Shapley values and interaction indices for black-box models, overcom…

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cs.CERecentMay 31, 2026

MsFEM-Inspired CNNs with Transfer Learning for Multiscale Model Reduction

Xuehan Zhang, Lijian Jiang, Eric T. Chung

The paper proposes MITL, an MsFEM-inspired transfer learning strategy for CNN-based reduced-order models, enabling efficient and adaptable approximation of multiscale systems with minimal retraining.

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cs.LGcs.CEphysics.comp-phRecentMay 30, 2026

An Exploratory Study into using Machine-Learning for Fast Step-by-step Emulation of Numerical Mechanical Thrombectomy Simulations for Ischemic Stroke

Thijs Stessen

This study explores using machine learning surrogates to accelerate complex numerical simulations of mechanical thrombectomy, achieving significant speedups but noting stability issues with complex ge…

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cs.LGcs.AImath.NARecentMay 27, 2026

Hybrid Neural World Models

Pranav Lakshmanan, Paras Chopra

The paper introduces hybrid neural world models that provide fast, multi-horizon predictions for complex physical dynamics, implicitly handling sharp events like shocks and contacts without explicit t…

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cs.CEcs.LGRecentMay 31, 2026

Machine Learning Surrogate Modeling for Homogenization of Hyperelastic Materials with Boolean Microstructures

Matthias Brändel, Oliver Rheinbach

This paper develops a supervised machine learning surrogate model, using a neural network, to predict the effective Lamé parameters of hyperelastic composites based on low-dimensional microstructural…

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cs.LGcs.CEmath.NARecentMay 31, 2026

Cellular Sheaf Neural Operators for Structure-Preserving Surrogate Modeling of Constrained PDEs

Lennon J. Shikhman, Shane Gilbertie

The paper introduces Cellular Sheaf Neural Operators, a discretization-aware framework that models constrained PDEs by representing physical states on oriented cell complexes to enforce structure-pres…

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cs.LGcs.AIcs.NERecentJun 3, 2026

ParetoPilot: Zero-Surrogate Offline Multi-Objective Optimization via Infer-Perturb-Guide Diffusion

Ruiqing Sun, Sen Yang, Dawei Feng, Bo Ding +2 more

ParetoPilot introduces a novel zero-surrogate diffusion framework for offline multi-objective optimization, achieving state-of-the-art performance by directly guiding the generation process without re…

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cs.LGcs.AIRecentMay 29, 2026

GPU Forecasters: Language Models as Selective Surrogates for Kernel Runtime Optimization

Zaid Khan, Justin Chih-Yao Chen, Jaemin Cho, Elias Stengel-Eskin +1 more

This paper demonstrates that Large Language Models (LLMs) can serve as accurate and selective surrogates for costly GPU kernel performance measurements, significantly expanding the search space for op…

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cs.CEcs.LGphysics.comp-phRecentMay 27, 2026

Adapting Automotive Aerodynamics Surrogates to New Vehicle Families via Transfer Learning

Seunghwan Keum, Alok Warey

The paper demonstrates that Low-Rank Adaptation (LoRA) is an effective and superior method for adapting large, pretrained Transformer surrogates for automotive aerodynamics to new vehicle families usi…

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math.NAcs.CEmath-phRecentMay 28, 2026

Multifidelity Proper Orthogonal Decomposition

Nicole Aretz, Karen Willcox

The paper introduces Multifidelity Proper Orthogonal Decomposition (MFPOD), a method that significantly reduces the computational cost of dimension reduction by intelligently combining data from cheap…

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cs.LGcs.AIRecentMay 30, 2026

Extending Causal Metamodeling to a non-Markovian Queue

Pracheta Amaranath, Anant Bhide, David Jensen, Peter Haas

The paper extends modular dynamic Bayesian networks (MDBNs) to model non-Markovian queues, providing the first causal metamodeling technique for such systems with significant speedup.

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cs.NEcs.LGRecentJun 3, 2026

U-Net-Accelerated Quality-Diversity Optimization for Climate-Adaptive Urban Layouts

Alexander Hagg, Tania Guerrero, Dirk Reith

The paper introduces a U-Net deep learning surrogate model to accelerate Quality-Diversity optimization for urban layout design, demonstrating that this spatial approach enables highly accurate climat…

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stat.MLcs.LGEmpiricalRecentJun 12, 2026

Gradient boosting for extremes: sampling theory and application to insurance

Stéphane Lhaut, Olivier Lopez

This paper develops statistical learning theory for gradient boosting in Peaks-over-Threshold modeling using Generalized Pareto distributions, deriving error bounds and reducing gradient correlation.

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cs.RORecentJun 3, 2026

X4Val: Learning Neural Surrogates for Variance-Reduced Policy Evaluation

Rachel Luo, Michael Watson, Apoorva Sharma, Heng Yang +5 more

This paper introduces X4Val, a framework for variance-reduced real-world metric estimation using non-paired, multi-domain data.

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math.STstat.MEstat.MLRecentJun 4, 2026

Estimation of the sub-Gaussian parameter

Jason Liu, Min Xu, Jinchuan Xing

This paper introduces and analyzes a consistent estimator for the sub-Gaussian parameter ($\xi_*^2$), providing convergence rates and demonstrating its applicability in large-scale biological enrichme…

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cs.LGcs.AIcs.CERecentJun 1, 2026

On the Generalization in Topology Optimization via Sensitivity-Conditioned Bernoulli Flow Matching

Mohammad Rashed, Duarte F. Valoroso Madeira, Babak Gholami, Caglar Guerbuez +2 more

The paper proposes using pseudo-sensitivities, derived from adjoint sensitivity fields, as an optimal conditioning signal in a Bernoulli flow-matching framework to significantly improve the out-of-dis…

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cs.LGRecentJun 3, 2026

BBOmix: A Tabular Benchmark for Hyperparameter Optimization of Unsupervised Biological Representation Learning

Luca Thale-Bombien, Jan Ewald, Ralf König, Aaron Klein

This paper introduces BBOmix, an open-source benchmark for unsupervised representation learning on real-world biological data.

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math.OCcs.AIcs.NERecentMay 27, 2026

Preference-Shaped Expected Hypervolume and R2 Improvement: Exact Computation and Monotonicity

Michael T. M. Emmerich

The paper analyzes preference-shaped expected improvement criteria for Bayesian multiobjective optimization, precisely characterizing when transformations preserve key properties like exact computatio…

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cs.LGcs.AIcs.CVRecentMay 30, 2026

SORA: Free Second-Order Attacks in Fast Adversarial Training

Mazdak Teymourian, Ramtin Moslemi, Farzan Rahmani, Mohammad Hossein Rohban

The paper introduces SORA, an adaptive adversarial training method that dynamically adjusts perturbation sizes to prevent Catastrophic Overfitting, achieving state-of-the-art robustness and clean accu…

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stat.MLcs.AIcs.LGRecentMay 31, 2026

Computation-Aware Kalman Filtering with Model Selection for Neural Dynamics

JR Huml, Jonathan Wenger, John P. Cunningham

The paper introduces the Computation-Aware State-Space Model (CASSM), a novel framework that extends Bayesian methods to handle model selection and large state-spaces, achieving competitive performanc…

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