Khachik Sargsyan

According to our database, Khachik Sargsyan authored at least 29 papers between 2005 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

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., August, 2023

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, Logan Williams, Aidan P. Thompson, Mitchell A. Wood

J. Open Source Softw., March, 2023

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

The network uncertainty quantification method for propagating uncertainties in component-based systems.

Kevin Carlberg, Sofia Guzzetti, Mohammad Khalil, Khachik Sargsyan

CoRR, 2019

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

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

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

Int. J. High Perform. Comput. Appl., 2018

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

Proceedings of the High Performance Computing - 33rd International Conference, 2018

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

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

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

Proceedings of the High Performance Computing - 31st International Conference, 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

Proceedings of the 7th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems, 2016

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

Proceedings of the ACM Workshop on Fault-Tolerance for HPC at Extreme Scale, 2016

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

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

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

Hybrid discrete/continuum algorithms for stochastic reaction networks.

Cosmin Safta, Khachik Sargsyan, Bert J. Debusschere, Habib N. Najm

J. Comput. Phys., 2015

Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection.

John D. Jakeman, Michael S. Eldred, Khachik Sargsyan

J. Comput. Phys., 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

2014

Enhancing ℓ₁-minimization estimates of polynomial chaos expansions using basis selection.

John D. Jakeman, Michael S. Eldred, Khachik Sargsyan

CoRR, 2014

2013

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

Proceedings of the Euro-Par 2013 Parallel Processing, 2013

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

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

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 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

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

2010

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

2009

Uncertainty Quantification in the Presence of Limited Climate Model Data with Discontinuities.

Khachik Sargsyan, Cosmin Safta, Bert J. Debusschere, Habib N. Najm

Proceedings of the ICDM Workshops 2009, 2009

2005

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