Publications

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Characterizing and Propagating Model Discrepancy in PDE-Constrained Optimization

USACM Thematic Conference on Uncertainty Quantification for Machine Learning Integrated Physics Modeling

Joseph Lee Hart, Bart G van Bloemen Waanders

Conference Poster – 2022 Conference Poster 2022

Facilitating Atmospheric Source Inversion via Operator Regression

SIAM Conference on Mathematics of Planet Earth

Joseph Lee Hart, Mamikon Gulian, Indu Manickam, Laura Painton Swiler

Conference Presentation – 2022 Conference Presentation 2022

Facilitating Atmospheric Source Inversion via Deep Operator Network Surrogates

Esco 2022

Mamikon Gulian, Joseph Lee Hart, Indu Manickam, Laura Painton Swiler

Conference Presentation – 2022 Conference Presentation 2022

Hyper-differential sensitivity analysis with respect to model discrepancy

ASCR RISE Project Meeting

Joseph Lee Hart, Bart G van Bloemen Waanders

Presentation (non-conference) – 2022 Presentation (non-conference) 2022

Hyper-differential sensitivity analysis with respect to model discrepancy

ECCOMAS Congress

Joseph Lee Hart, Bart G van Bloemen Waanders

Conference Presentation – 2022 Conference Presentation 2022

Characterizing and propagating model discrepancy in PDE-constrained optimization

USACM Thematic Conference on Uncertainty Quantification for Machine Learning Integrated Physics Modeling (MLIP)

Joseph Lee Hart

Abstract – 2022 Abstract 2022

Enabling and interpreting hyper-differential sensitivity analysis for Bayesian inverse problems

SIAM Conference on Uncertainty Quantification

Joseph Lee Hart

Conference Presentation – 2022 Conference Presentation 2022

Facilitating atmospheric source inversion via operator regression

SIAM Conference on Mathematics of Planet Earth

Joseph Lee Hart

Abstract – 2022 Abstract 2022

Hyper-Differential Sensitivity Analysis of Inverse Problems Governed by PDEs

Joint Mathematics Meetings 2022

Isaac Paul Sunseri, Joseph Lee Hart, Alen Alexanderian, Bart G van Bloemen Waanders

Conference Presentation – 2021 Conference Presentation 2021

Hyper-differential sensitivity analysis with respect to model discrepancy

The 8th European Congress on Computational Methods in Applied Sciences and Engineering

Joseph Lee Hart, Bart G van Bloemen Waanders

Abstract – 2021 Abstract 2021

Hyper-differential sensitivity analysis in PDE-constrained inverse problems

UC Merced Virtual Seminar Talk

Joseph Lee Hart

Presentation (non-conference) – 2021 Presentation (non-conference) 2021

Hyper-differential sensitivity analysis for model form error

Mechanistic Machine Learning and Digital Twins for Computational Science, Engineering & Technology

Joseph Lee Hart, Bart G van Bloemen Waanders

Conference Presentation – 2021 Conference Presentation 2021

Bedrock Inversion and Hyper Differential Sensitivity Analysis for the Shallow Ice Model

Numerical Analysis in Data Science Transition Workshop

William Mcneil Reese, Joseph Lee Hart, Bart G van Bloemen Waanders, Mauro Perergo, John Davis Jakeman, Arvind Saibaba

Presentation (non-conference) – 2021 Presentation (non-conference) 2021

Enabling and interpreting hyper-differential sensitivity analysis for Bayesian inverse problems

Project meeting with university collaborators on the ASCR RISE project

Joseph Lee Hart

https://www.osti.gov/search/identifier:1865768

Presentation (non-conference) – 2021 Presentation (non-conference) 2021

Hyper-differential sensitivity analysis of model form error

Mechanistic Machine Learning and Digital Twins for Computational Science conference

Joseph Lee Hart

Abstract – 2021 Abstract 2021

Hyper-Differential Sensitivity Analysis for Robust Machine Learned Surrogate Models

SIAM Conference on Computational Science and Engineering

Joseph Lee Hart

https://www.osti.gov/search/identifier:1847611

Conference Presentation – 2021 Conference Presentation 2021

Hyper-Differential Sensitivity Analysis: Managing High Dimensional Uncertainty in Large-Scale Optimization Problems

Uncertainty Management and Machine Learning in Engineering Applications

Bart G van Bloemen Waanders, Joseph Lee Hart

https://www.osti.gov/search/identifier:1877814

Conference Presentation – 2020 Conference Presentation 2020

Train Like a (Var)Pro: Efficient Training of Neural Networks with Variable Projection

SIAM Journal on Mathematics of Data Science

Elizabeth Newman, Lars Ruthotto, Joseph Lee Hart, Bart G van Bloemen Waanders

https://www.osti.gov/search/identifier:1834344

Journal Article – 2020 Journal Article 2020

Hyper-Differential Sensitivity Analysis: Managing High Dimensional Uncertainty in Large-Scale Optimization

Numerical Analysis Seminar at North Carolina State University (Conducted online)

Joseph Lee Hart

https://www.osti.gov/search/identifier:1773277

Presentation (non-conference) – 2020 Presentation (non-conference) 2020

Hyper-Differential Sensitivity Analysis: Managing High Dimensional Uncertainty in Large-Scale Optimization

Numerical Analysis Seminar at North Carolina State University (Online due to COVID-19)

Joseph Lee Hart

Abstract – 2020 Abstract 2020

Classification of autonomic dysfunction through data analytics

Mathematical Biosciences and Engineering

Joseph Lee Hart, Steven Gilmore, Pierre Gremaud, Christian Olsen, Jesper Mehlsen, Mette Olufsen

https://www.osti.gov/search/identifier:1834334

Journal Article – 2020 Journal Article 2020

Robustness of Sobol? indices to distributional uncertainty

SIAM Conference on Uncertainty Quantification

Joseph Lee Hart, Pierre Gremaud

https://www.osti.gov/search/identifier:1768131

Conference Paper – 2020 Conference Paper 2020

Hyper-differential sensitivity analysis of PDE-constrained inverse problems

AWM Math Research Competition 2020

Isaac Paul Sunseri, Bart G van Bloemen Waanders, Joseph Lee Hart, Alen Alexandarian

https://www.osti.gov/search/identifier:1767902

Presentation (non-conference) – 2020 Presentation (non-conference) 2020

Efficient Training of Neural Network Surrogate Methods with Variable Projection

Mathematical and Scientific Machine Learning

Elizabeth - x Newman, Lar - x Ruthotto, Joseph Lee Hart, Bart G van Bloemen Waanders, Bart G van Bloemen Waanders

https://www.osti.gov/search/identifier:1767098

Conference Paper – 2020 Conference Paper 2020

Randomized Algorithms for Generalized Singular Value Decomposition with Application to Sensitivity Analysis

Numerical Linear Algebra with Applications

Joseph Lee Hart, Bart G van Bloemen Waanders, Arvind Saibaba

https://www.osti.gov/search/identifier:1769894

Journal Article – 2020 Journal Article 2020
Document Title Type Year
Results 1–25 of 39