Extinction Times for Birth-Death Processes: Exact Results, Continuum Asymptotics, and the Failure of the Fokker-Planck Approximation. - Charles R. Doering; Khachik Sargsyan; Leonard M. Sander (Multiscale Model. Simul., 2005)

Uncertainty Quantification in the Presence of Limited Climate Model Data with Discontinuities. - Khachik Sargsyan; Cosmin Safta; Bert J. Debusschere; Habib N. Najm (ICDM Workshops, 2009)

Spectral Representation and Reduced Order Modeling of the Dynamics of Stochastic Reaction Networks via Adaptive Data Partitioning. - Khachik Sargsyan; Bert J. Debusschere; Habib N. Najm; Olivier P. Le Maître (SIAM J. Sci. Comput., 2010)

Uncertainty Quantification in MD Simulations. Part I: Forward Propagation. - Francesco Rizzi; Habib N. Najm; Bert J. Debusschere; Khachik Sargsyan; Maher Salloum; Helgi Adalsteinsson; Omar M. Knio (Multiscale Model. Simul., 2012)

Uncertainty Quantification in MD Simulations. Part II: Bayesian Inference of Force-Field Parameters. - Francesco Rizzi; Habib N. Najm; Bert J. Debusschere; Khachik Sargsyan; Maher Salloum; Helgi Adalsteinsson; Omar M. Knio (Multiscale Model. Simul., 2012)

A Stochastic Multiscale Coupling Scheme to Account for Sampling Noise in Atomistic-to-Continuum Simulations. - Maher Salloum; Khachik Sargsyan; Reese E. Jones; Bert J. Debusschere; Habib N. Najm; Helgi Adalsteinsson (Multiscale Model. Simul., 2012)

Uncertainty Quantification given Discontinuous Model Response and a Limited Number of Model Runs. - Khachik Sargsyan; Cosmin Safta; Bert J. Debusschere; Habib N. Najm (SIAM J. Sci. Comput., 2012)

Multiparameter Spectral Representation of Noise-Induced Competence in Bacillus Subtilis. - Khachik Sargsyan; Cosmin Safta; Bert J. Debusschere; Habib N. Najm (IEEE ACM Trans. Comput. Biol. Bioinform., 2012)

Validation and Uncertainty Assessment of Extreme-Scale HPC Simulation through Bayesian Inference. - Jeremiah J. Wilke; Khachik Sargsyan; Joseph P. Kenny; Bert J. Debusschere; Habib N. Najm; Gilbert Hendry (Euro-Par, 2013)

Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection. - John D. Jakeman; Michael S. Eldred; Khachik Sargsyan (CoRR, 2014)

Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. - Francesco Rizzi; Karla Morris; Khachik Sargsyan; Paul Mycek; Cosmin Safta; Olivier P. Le Maître; Omar M. Knio; Bert J. Debusschere (CLUSTER, 2015)

Probabilistic Methods for Sensitivity Analysis and Calibration in the NASA Challenge Problem. - Cosmin Safta; Khachik Sargsyan; Habib N. Najm; Kenny Chowdhary; Bert J. Debusschere; Laura Painton Swiler; Michael S. Eldred (J. Aerosp. Inf. Syst., 2015)

Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection. - John D. Jakeman; Michael S. Eldred; Khachik Sargsyan (J. Comput. Phys., 2015)

Hybrid discrete/continuum algorithms for stochastic reaction networks. - Cosmin Safta; Khachik Sargsyan; Bert J. Debusschere; Habib N. Najm (J. Comput. Phys., 2015)

Bayesian Calibration of the Community Land Model Using Surrogates. - Jaideep Ray; Zhangshuan Hou; Maoyi Huang; Khachik Sargsyan; Laura P. Swiler (SIAM/ASA J. Uncertain. Quantification, 2015)

Quantifying Sampling Noise and Parametric Uncertainty in Atomistic-to-Continuum Simulations Using Surrogate Models. - Maher Salloum; Khachik Sargsyan; Reese E. Jones; Habib N. Najm; Bert J. Debusschere (Multiscale Model. Simul., 2015)

Fault Resilient Domain Decomposition Preconditioner for PDEs. - Khachik Sargsyan; Francesco Rizzi; Paul Mycek; Cosmin Safta; Karla Morris; Habib N. Najm; Olivier P. Le Maître; Omar M. Knio; Bert J. Debusschere (SIAM J. Sci. Comput., 2015)

ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner. - Francesco Rizzi; Karla Morris; Khachik Sargsyan; Paul Mycek; Cosmin Safta; Bert J. Debusschere; Olivier P. Le Maître; Omar M. Knio (FTXS@HPDC, 2016)

Performance Scaling Variability and Energy Analysis for a Resilient ULFM-based PDE Solver. - Karla Morris; Francesco Rizzi; Brendan Cook; Paul Mycek; Olivier P. Le Maître; Omar M. Knio; Khachik Sargsyan; Kathryn Dahlgren; Bert J. Debusschere (ScalA@SC, 2016)

Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults. - Karla Morris; Francesco Rizzi; Khachik Sargsyan; Kathryn Dahlgren; Paul Mycek; Cosmin Safta; Olivier P. Le Maître; Omar M. Knio; Bert J. Debusschere (ISC, 2016)

A resilient domain decomposition polynomial chaos solver for uncertain elliptic PDEs. - Paul Mycek; Andres Contreras; Olivier P. Le Maître; Khachik Sargsyan; Francesco Rizzi; Karla Morris; Cosmin Safta; Bert J. Debusschere; Omar M. Knio (Comput. Phys. Commun., 2017)

Discrete A Priori Bounds for the Detection of Corrupted PDE Solutions in Exascale Computations. - Paul Mycek; Francesco Rizzi; Olivier P. Le Maître; Khachik Sargsyan; Karla Morris; Cosmin Safta; Bert J. Debusschere; Omar M. Knio (SIAM J. Sci. Comput., 2017)

The Pitfalls of Provisioning Exascale Networks: A Trace Replay Analysis for Understanding Communication Performance. - Joseph P. Kenny; Khachik Sargsyan; Samuel Knight; George Michelogiannakis; Jeremiah J. Wilke (ISC, 2018)

Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions. - Xun Huan; Cosmin Safta; Khachik Sargsyan; Zachary P. Vane; Guilhem Lacaze; Joseph C. Oefelein; Habib N. Najm (SIAM/ASA J. Uncertain. Quantification, 2018)

Exploring the interplay of resilience and energy consumption for a task-based partial differential equations preconditioner. - Francesco Rizzi; Karla Morris; Khachik Sargsyan; Paul Mycek; Cosmin Safta; Olivier P. Le Maître; Omar M. Knio; Bert J. Debusschere (Parallel Comput., 2018)

The network uncertainty quantification method for propagating uncertainties in component-based systems. - Kevin Carlberg; Sofia Guzzetti; Mohammad Khalil; Khachik Sargsyan (CoRR, 2019)

Compressive sensing adaptation for polynomial chaos expansions. - Panagiotis Tsilifis; Xun Huan; Cosmin Safta; Khachik Sargsyan; Guilhem Lacaze; Joseph C. Oefelein; Habib N. Najm; Roger G. Ghanem (J. Comput. Phys., 2019)

FitSNAP: Atomistic machine learning with LAMMPS. - Andrew Rohskopf; C. Sievers; Nicholas Lubbers; Mary Alice Cusentnio; James Goff; Jan Janssen; Megan McCarthy; David Montes Oca de Zapiain; Svetoslav Nikolov; Khachik Sargsyan; Dionysios Sema; Ember Sikorski; et al. (J. Open Source Softw., 2023)

Pynta─An Automated Workflow for Calculation of Surface and Gas-Surface Kinetics. - Matthew S. Johnson; Maciej Gierada; Eric D. Hermes; David H. Bross; Khachik Sargsyan; Habib N. Najm; Judit Zádor (J. Chem. Inf. Model., 2023)

Polynomial Chaos Surrogate Construction for Random Fields with Parametric Uncertainty. - Joy N. Mueller; Khachik Sargsyan; Craig J. Daniels; Habib N. Najm (SIAM/ASA J. Uncertain. Quantification, 2025)

Weight-Parameterization in Continuous Time Deep Neural Networks for Surrogate Modeling. - Haley Rosso; Lars Ruthotto; Khachik Sargsyan (CoRR, 2025)