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Khachik Sargsyan
Khachik Sargsyan
Adresă de e-mail confirmată pe sandia.gov - Pagina de pornire
Titlu
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Extinction times for birth-death processes: Exact results, continuum asymptotics, and the failure of the Fokker--Planck approximation
CR Doering, KV Sargsyan, LM Sander
Multiscale Modeling & Simulation 3 (2), 283-299, 2005
2542005
Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection
JD Jakeman, MS Eldred, K Sargsyan
Journal of Computational Physics 289, 18-34, 2015
1992015
Dimensionality reduction for complex models via Bayesian compressive sensing
K Sargsyan, C Safta, HN Najm, BJ Debusschere, D Ricciuto, P Thornton
International Journal for Uncertainty Quantification 4 (1), 2014
1712014
On the statistical calibration of physical models
K Sargsyan, HN Najm, R Ghanem
International Journal of Chemical Kinetics 47 (4), 246-276, 2015
1452015
Uncertainty quantification in MD simulations. Part II: Bayesian inference of force-field parameters
F Rizzi, HN Najm, BJ Debusschere, K Sargsyan, M Salloum, ...
Multiscale Modeling & Simulation 10 (4), 1460-1492, 2012
1052012
The impact of parametric uncertainties on biogeochemistry in the E3SM land model
D Ricciuto, K Sargsyan, P Thornton
Journal of Advances in Modeling Earth Systems 10 (2), 297-319, 2018
992018
Uncertainty quantification of reaction mechanisms accounting for correlations introduced by rate rules and fitted Arrhenius parameters
J Prager, HN Najm, K Sargsyan, C Safta, WJ Pitz
Combustion and flame 160 (9), 1583-1593, 2013
902013
Uncertainty quantification in MD simulations. Part I: Forward propagation
F Rizzi, HN Najm, BJ Debusschere, K Sargsyan, M Salloum, ...
Multiscale Modeling & Simulation 10 (4), 1428-1459, 2012
892012
Compressive sensing adaptation for polynomial chaos expansions
P Tsilifis, X Huan, C Safta, K Sargsyan, G Lacaze, JC Oefelein, HN Najm, ...
Journal of Computational Physics 380, 29-47, 2019
692019
The Uncertainty Quantification Toolkit (UQTk).
B Debusschere, K Sargsyan, C Safta, KS Chowdhary
Sandia National Lab.(SNL-CA), Livermore, CA (United States), 2015
652015
Embedded model error representation for Bayesian model calibration
K Sargsyan, X Huan, HN Najm
International Journal for Uncertainty Quantification 9 (4), 2019
612019
Sources of cell-to-cell variability in canonical nuclear factor-κB (NF-κB) signaling pathway inferred from single cell dynamic images
MK Kalita, K Sargsyan, B Tian, A Paulucci-Holthauzen, HN Najm, ...
Journal of Biological Chemistry 286 (43), 37741-37757, 2011
522011
Surrogate models for uncertainty propagation and sensitivity analysis
K Sargsyan
Handbook of uncertainty quantification, 673-698, 2017
472017
Uncertainty quantification given discontinuous model response and a limited number of model runs
K Sargsyan, C Safta, B Debusschere, H Najm
SIAM Journal on Scientific Computing 34 (1), B44-B64, 2012
452012
Temporal and spatial variation in peatland carbon cycling and implications for interpreting responses of an ecosystem‐scale warming experiment
NA Griffiths, PJ Hanson, DM Ricciuto, CM Iversen, AM Jensen, A Malhotra, ...
Soil Science Society of America Journal 81 (6), 1668-1688, 2017
412017
Global sensitivity analysis and estimation of model error, toward uncertainty quantification in scramjet computations
X Huan, C Safta, K Sargsyan, G Geraci, MS Eldred, ZP Vane, G Lacaze, ...
AIAA Journal 56 (3), 1170-1184, 2018
402018
Compressive sensing with cross-validation and stop-sampling for sparse polynomial chaos expansions
X Huan, C Safta, K Sargsyan, ZP Vane, G Lacaze, JC Oefelein, HN Najm
SIAM/ASA Journal on Uncertainty Quantification 6 (2), 907-936, 2018
402018
Asymptotics of rare events in birth–death processes bypassing the exact solutions
CR Doering, KV Sargsyan, LM Sander, E Vanden-Eijnden
Journal of Physics: Condensed Matter 19 (6), 065145, 2007
382007
Bayesian calibration of the Community Land Model using surrogates
J Ray, Z Hou, M Huang, K Sargsyan, L Swiler
SIAM/ASA Journal on Uncertainty Quantification 3 (1), 199-233, 2015
372015
A numerical method for some stochastic differential equations with multiplicative noise
CR Doering, KV Sargsyan, P Smereka
Physics Letters A 344 (2-4), 149-155, 2005
362005
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