Cosmin Safta

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 33

Top Topics

Graph Representations

Partial Differential Equations

Gaussian Process Regression

Top Venues

J. Comput. Phys.

Comput. Phys. Commun.

SIAM J. Sci. Comput.

Publications

Connor Robertson, Cosmin Safta, Nicholson T. Collier, Jonathan Ozik, Jaideep Ray
Bayesian calibration of stochastic agent based model via random forest. CoRR (2024)
Ravi G. Patel, Cosmin Safta, Reese E. Jones
Equivariant graph convolutional neural networks for the representation of homogenized anisotropic microstructural mechanical response. CoRR (2024)
Oscar H. Díaz-Ibarra, Kyungjoo Kim, Cosmin Safta, Habib N. Najm
CSPlib: A performance portable parallel software toolkit for analyzing complex kinetic mechanisms. Comput. Phys. Commun. 297 (2024)
Jeremiah Hauth, Cosmin Safta, Xun Huan, Ravi G. Patel, Reese E. Jones
Uncertainty Quantification of Graph Convolution Neural Network Models of Evolving Processes. CoRR (2024)
Govinda Anantha Padmanabha, Jan Niklas Fuhg, Cosmin Safta, Reese E. Jones, Nikolaos Bouklas
Improving the performance of Stein variational inference through extreme sparsification of physically-constrained neural network models. CoRR (2024)
Christophe Bonneville, Nathan Bieberdorf, Arun Hegde, Mark Asta, Habib N. Najm, Laurent Capolungo, Cosmin Safta
Accelerating Phase Field Simulations Through a Hybrid Adaptive Fourier Neural Operator with U-Net Backbone. CoRR (2024)
Raelynn Wonnacott, David S. Ching, John Chilleri, Cosmin Safta, Lee Rashkin, Thomas A. Reichardt
Industrial PLC Network Modeling and Parameter Identification Using Sensitivity Analysis and Mean Field Variational Inference. Sensors 23 (5) (2023)
Kyungjoo Kim, Oscar H. Díaz-Ibarra, Habib N. Najm, Judit Zádor, Cosmin Safta
TChem: A performance portable parallel software toolkit for complex kinetic mechanisms. Comput. Phys. Commun. 285 (2023)
Wyatt Bridgman, Uma Balakrishnan, Reese E. Jones, Jiefu Chen, Xuqing Wu, Cosmin Safta, Yueqin Huang, Mohammad Khalil
Enhancing Polynomial Chaos Expansion Based Surrogate Modeling using a Novel Probabilistic Transfer Learning Strategy. CoRR (2023)
Alex A. Gorodetsky, Cosmin Safta, John D. Jakeman
Reverse-mode differentiation in arbitrary tensor network format: with application to supervised learning. J. Mach. Learn. Res. 23 (2022)
Reese Jones, Cosmin Safta, Ari Frankel
Deep learning and multi-level featurization of graph representations of microstructural data. CoRR (2022)
Ari Frankel, Cosmin Safta, Coleman Alleman, Reese Jones
Mesh-based graph convolutional neural network models of processes with complex initial states. CoRR (2021)
Laura P. Swiler, Mamikon Gulian, Ari Frankel, Cosmin Safta, John D. Jakeman
A Survey of Constrained Gaussian Process Regression: Approaches and Implementation Challenges. CoRR (2020)
Panagiotis Tsilifis, Xun Huan, Cosmin Safta, Khachik Sargsyan, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm, Roger G. Ghanem
Compressive sensing adaptation for polynomial chaos expansions. J. Comput. Phys. 380 (2019)
Christian Soize, Roger G. Ghanem, Cosmin Safta, Xun Huan, Zachary P. Vane, Joseph C. Oefelein, Guilhem Lacaze, Habib N. Najm, Q. Tang, X. Chen
Entropy-based closure for probabilistic learning on manifolds. J. Comput. Phys. 388 (2019)
Manav Vohra, Alen Alexanderian, Cosmin Safta, Sankaran Mahadevan
Sensitivity-Driven Adaptive Construction of Reduced-space Surrogates. J. Sci. Comput. 79 (2) (2019)
Roger G. Ghanem, Christian Soize, Cosmin Safta, Xun Huan, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm
Design optimization of a scramjet under uncertainty using probabilistic learning on manifolds. J. Comput. Phys. 399 (2019)
Xun Huan, Cosmin Safta, Khachik Sargsyan, Zachary P. Vane, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm
Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions. SIAM/ASA J. Uncertain. Quantification 6 (2) (2018)
Kenny Chowdhary, Cosmin Safta, Habib N. Najm
Enhancing statistical moment calculations for stochastic Galerkin solutions with Monte Carlo techniques. J. Comput. Phys. 374 (2018)
Jianqiang Cheng, Richard Li-Yang Chen, Habib N. Najm, Ali Pinar, Cosmin Safta, Jean-Paul Watson
Distributionally Robust Optimization with Principal Component Analysis. SIAM J. Optim. 28 (2) (2018)
Jianqiang Cheng, Richard Li-Yang Chen, Habib N. Najm, Ali Pinar, Cosmin Safta, Jean-Paul Watson
Chance-constrained economic dispatch with renewable energy and storage. Comput. Optim. Appl. 70 (2) (2018)
Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
Partial differential equations preconditioner resilient to soft and hard faults. Int. J. High Perform. Comput. Appl. 32 (5) (2018)
Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
Exploring the interplay of resilience and energy consumption for a task-based partial differential equations preconditioner. Parallel Comput. 73 (2018)
Xun Huan, Cosmin Safta, Khachik Sargsyan, Zachary P. Vane, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm
Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions. CoRR (2017)
Paul Mycek, Francesco Rizzi, Olivier P. Le Maître, Khachik Sargsyan, Karla Morris, Cosmin Safta, Bert J. Debusschere, Omar M. Knio
Discrete A Priori Bounds for the Detection of Corrupted PDE Solutions in Exascale Computations. SIAM J. Sci. Comput. 39 (1) (2017)
Paul Mycek, Andres Contreras, Olivier P. Le Maître, Khachik Sargsyan, Francesco Rizzi, Karla Morris, Cosmin Safta, Bert J. Debusschere, Omar M. Knio
A resilient domain decomposition polynomial chaos solver for uncertain elliptic PDEs. Comput. Phys. Commun. 216 (2017)
Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Bert J. Debusschere, Olivier P. Le Maître, Omar M. Knio
ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner. FTXS@HPDC (2016)
Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. ISC (2016)
Cosmin Safta, Richard Li-Yang Chen, Habib N. Najm, Ali Pinar, Jean-Paul Watson
Efficient Representation of Uncertainty for Stochastic Economic Dispatch. CoRR (2015)
Cosmin Safta, Khachik Sargsyan, Habib N. Najm, Kenny Chowdhary, Bert J. Debusschere, Laura Painton Swiler, Michael S. Eldred
Probabilistic Methods for Sensitivity Analysis and Calibration in the NASA Challenge Problem. J. Aerosp. Inf. Syst. 12 (1) (2015)
Cosmin Safta, Khachik Sargsyan, Bert J. Debusschere, Habib N. Najm
Hybrid discrete/continuum algorithms for stochastic reaction networks. J. Comput. Phys. 281 (2015)
Khachik Sargsyan, Francesco Rizzi, Paul Mycek, Cosmin Safta, Karla Morris, Habib N. Najm, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
Fault Resilient Domain Decomposition Preconditioner for PDEs. SIAM J. Sci. Comput. 37 (5) (2015)
Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. CLUSTER (2015)
Kushal S. Kedia, Cosmin Safta, Jaideep Ray, Habib N. Najm, Ahmed F. Ghoniem
A second-order coupled immersed boundary-SAMR construction for chemically reacting flow over a heat-conducting Cartesian grid-conforming solid. J. Comput. Phys. 272 (2014)
Cosmin Safta, Richard L. Chen, Habib N. Najm, Ali Pinar, Jean-Paul Watson
Toward Using Surrogates to Accelerate Solution of Stochastic Electricity Grid Operations Problems. CoRR (2014)
Karen Elizabeth Cheng, David J. Crary, Jaideep Ray, Cosmin Safta
Structural models used in real-time biosurveillance outbreak detection and outbreak curve isolation from noisy background morbidity levels. J. Am. Medical Informatics Assoc. 20 (3) (2013)
Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
Multiparameter Spectral Representation of Noise-Induced Competence in Bacillus Subtilis. IEEE ACM Trans. Comput. Biol. Bioinform. 9 (6) (2012)
Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
Uncertainty Quantification given Discontinuous Model Response and a Limited Number of Model Runs. SIAM J. Sci. Comput. 34 (1) (2012)
Cosmin Safta, Jaideep Ray, Habib N. Najm
A high-order low-Mach number AMR construction for chemically reacting flows. J. Comput. Phys. 229 (24) (2010)
Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
Uncertainty Quantification in the Presence of Limited Climate Model Data with Discontinuities. ICDM Workshops (2009)