Khachik Sargsyan

34 papers C 3Journal 27Unranked 4

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Model Error Embedding with Orthogonal Gaussian Processes. CoRR Mridula Kuppa, Khachik Sargsyan, Marco Panesi, Habib N. Najm
2025	J	`jnl`	Polynomial Chaos Surrogate Construction for Random Fields with Parametric Uncertainty. SIAM/ASA J. Uncertain. Quantification Joy N. Mueller, Khachik Sargsyan, Craig J. Daniels, Habib N. Najm
2025	J	`jnl`	Weight-Parameterization in Continuous Time Deep Neural Networks for Surrogate Modeling. CoRR Haley Rosso, Lars Ruthotto, Khachik Sargsyan
2023	J	`jnl`	FitSNAP: Atomistic machine learning with LAMMPS. J. Open Source Softw. Andrew Rohskopf, C. Sievers, Nicholas Lubbers, Mary Alice Cusentnio, James Goff, Jan Janssen, Megan J. McCarthy, David Montes Oca de Zapiain, Svetoslav Nikolov, Khachik Sargsyan, Dionysios Sema, Ember Sikorski, Logan Williams, Aidan P. Thompson, Mitchell A. Wood
2023	J	`jnl`	Pynta─An Automated Workflow for Calculation of Surface and Gas-Surface Kinetics. J. Chem. Inf. Model. Matthew S. Johnson, Maciej Gierada, Eric D. Hermes, David H. Bross, Khachik Sargsyan, Habib N. Najm, Judit Zádor
2019	J	`jnl`	Compressive sensing adaptation for polynomial chaos expansions. J. Comput. Phys. Panagiotis Tsilifis, Xun Huan, Cosmin Safta, Khachik Sargsyan, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm, Roger G. Ghanem
2019	J	`jnl`	The network uncertainty quantification method for propagating uncertainties in component-based systems. CoRR Kevin Carlberg, Sofia Guzzetti, Mohammad Khalil, Khachik Sargsyan
2018	J	`jnl`	Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions. SIAM/ASA J. Uncertain. Quantification Xun Huan, Cosmin Safta, Khachik Sargsyan, Zachary P. Vane, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm
2018	J	`jnl`	Exploring the interplay of resilience and energy consumption for a task-based partial differential equations preconditioner. Parallel Comput. Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
2018	J	`jnl`	Partial differential equations preconditioner resilient to soft and hard faults. Int. J. High Perform. Comput. Appl. Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
2018	C	`conf`	The Pitfalls of Provisioning Exascale Networks: A Trace Replay Analysis for Understanding Communication Performance. ISC Joseph P. Kenny, Khachik Sargsyan, Samuel Knight, George Michelogiannakis, Jeremiah J. Wilke
2017	J	`jnl`	A resilient domain decomposition polynomial chaos solver for uncertain elliptic PDEs. Comput. Phys. Commun. Paul Mycek, Andres Contreras, Olivier P. Le Maître, Khachik Sargsyan, Francesco Rizzi, Karla Morris, Cosmin Safta, Bert J. Debusschere, Omar M. Knio
2017	J	`jnl`	Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions. CoRR Xun Huan, Cosmin Safta, Khachik Sargsyan, Zachary P. Vane, Guilhem Lacaze, Joseph C. Oefelein, Habib N. Najm
2017	J	`jnl`	Discrete A Priori Bounds for the Detection of Corrupted PDE Solutions in Exascale Computations. SIAM J. Sci. Comput. Paul Mycek, Francesco Rizzi, Olivier P. Le Maître, Khachik Sargsyan, Karla Morris, Cosmin Safta, Bert J. Debusschere, Omar M. Knio
2016	—	`conf`	Performance Scaling Variability and Energy Analysis for a Resilient ULFM-based PDE Solver. ScalA@SC Karla Morris, Francesco Rizzi, Brendan Cook, Paul Mycek, Olivier P. Le Maître, Omar M. Knio, Khachik Sargsyan, Kathryn Dahlgren, Bert J. Debusschere
2016	C	`conf`	Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. ISC Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
2016	—	`conf`	ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner. FTXS@HPDC Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Bert J. Debusschere, Olivier P. Le Maître, Omar M. Knio
2015	J	`jnl`	Bayesian Calibration of the Community Land Model Using Surrogates. SIAM/ASA J. Uncertain. Quantification Jaideep Ray, Zhangshuan Hou, Maoyi Huang, Khachik Sargsyan, Laura P. Swiler
2015	J	`jnl`	Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection. J. Comput. Phys. John D. Jakeman, Michael S. Eldred, Khachik Sargsyan
2015	J	`jnl`	Fault Resilient Domain Decomposition Preconditioner for PDEs. SIAM J. Sci. Comput. Khachik Sargsyan, Francesco Rizzi, Paul Mycek, Cosmin Safta, Karla Morris, Habib N. Najm, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
2015	J	`jnl`	Hybrid discrete/continuum algorithms for stochastic reaction networks. J. Comput. Phys. Cosmin Safta, Khachik Sargsyan, Bert J. Debusschere, Habib N. Najm
2015	C	`conf`	Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. CLUSTER Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier P. Le Maître, Omar M. Knio, Bert J. Debusschere
2015	J	`jnl`	Probabilistic Methods for Sensitivity Analysis and Calibration in the NASA Challenge Problem. J. Aerosp. Inf. Syst. Cosmin Safta, Khachik Sargsyan, Habib N. Najm, Kenny Chowdhary, Bert J. Debusschere, Laura Painton Swiler, Michael S. Eldred
2015	J	`jnl`	Quantifying Sampling Noise and Parametric Uncertainty in Atomistic-to-Continuum Simulations Using Surrogate Models. Multiscale Model. Simul. Maher Salloum, Khachik Sargsyan, Reese E. Jones, Habib N. Najm, Bert J. Debusschere
2014	J	`jnl`	Enhancing ℓ CoRR John D. Jakeman, Michael S. Eldred, Khachik Sargsyan
2013	—	`conf`	Validation and Uncertainty Assessment of Extreme-Scale HPC Simulation through Bayesian Inference. Euro-Par Jeremiah J. Wilke, Khachik Sargsyan, Joseph P. Kenny, Bert J. Debusschere, Habib N. Najm, Gilbert Hendry
2012	J	`jnl`	A Stochastic Multiscale Coupling Scheme to Account for Sampling Noise in Atomistic-to-Continuum Simulations. Multiscale Model. Simul. Maher Salloum, Khachik Sargsyan, Reese E. Jones, Bert J. Debusschere, Habib N. Najm, Helgi Adalsteinsson
2012	J	`jnl`	Multiparameter Spectral Representation of Noise-Induced Competence in Bacillus Subtilis. IEEE ACM Trans. Comput. Biol. Bioinform. Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
2012	J	`jnl`	Uncertainty Quantification given Discontinuous Model Response and a Limited Number of Model Runs. SIAM J. Sci. Comput. Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
2012	J	`jnl`	Uncertainty Quantification in MD Simulations. Part I: Forward Propagation. Multiscale Model. Simul. Francesco Rizzi, Habib N. Najm, Bert J. Debusschere, Khachik Sargsyan, Maher Salloum, Helgi Adalsteinsson, Omar M. Knio
2012	J	`jnl`	Uncertainty Quantification in MD Simulations. Part II: Bayesian Inference of Force-Field Parameters. Multiscale Model. Simul. Francesco Rizzi, Habib N. Najm, Bert J. Debusschere, Khachik Sargsyan, Maher Salloum, Helgi Adalsteinsson, Omar M. Knio
2010	J	`jnl`	Spectral Representation and Reduced Order Modeling of the Dynamics of Stochastic Reaction Networks via Adaptive Data Partitioning. SIAM J. Sci. Comput. Khachik Sargsyan, Bert J. Debusschere, Habib N. Najm, Olivier P. Le Maître
2009	—	`conf`	Uncertainty Quantification in the Presence of Limited Climate Model Data with Discontinuities. ICDM Workshops Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm
2005	J	`jnl`	Extinction Times for Birth-Death Processes: Exact Results, Continuum Asymptotics, and the Failure of the Fokker-Planck Approximation. Multiscale Model. Simul. Charles R. Doering, Khachik Sargsyan, Leonard M. Sander