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2018

Eldred, Michael S; Geraci, Gianluca; Gorodetsky, Alex; Jakeman, John

Multilevel-Multifidelity Approaches for Forward UQ in the DARPA SEQUOIA project Inproceedings

2018 AIAA Non-Deterministic Approaches Conference, AIAA SciTech Forum, Kissimmee, Florida, 2018.

Abstract | Links | BibTeX | Tags: Multifidelity Methods, Polynomial Approximation, Surrogate models, Tensor decompositions

Gorodetsky, Alex; Jakeman, John

Gradient-based Optimization for Regression in the Functional Tensor-Train Format Journal Article Forthcoming

Arxiv 1801.00885v2 (Accepted Journal of Computational Physics), Forthcoming.

Abstract | Links | BibTeX | Tags: Regression, Surrogate models, Tensor decompositions

2017

Gorodetsky, Alex

Continuous low-rank tensor decompositions, with applications to stochastic optimal control and data assimilation PhD Thesis

Massachusetts Institute of Technology, 2017.

Abstract | Links | BibTeX | Tags: Dynamic Programming, Kalman Filtering, Stochastic Optimal Control, Surrogate models, Tensor decompositions

2014

Gorodetsky, Alex; Marzouk, Youssef

Efficient Localization of Discontinuities in Complex Computational Simulations Journal Article

SIAM Journal on Scientific Computing, 36 (6), pp. A2584-A2610, 2014, ISSN: 1095-7197.

Abstract | Links | BibTeX | Tags: Active Learning, Support Vector Machines, Surrogate models