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Razvan Stefanescu
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Year
POD/DEIM nonlinear model order reduction of an ADI implicit shallow water equations model
R Ştefănescu, IM Navon
Journal of Computational Physics 237, 95-114, 2013
1652013
Comparison of POD reduced order strategies for the nonlinear 2D shallow water equations
R Ştefănescu, A Sandu, IM Navon
International Journal for Numerical Methods in Fluids 76 (8), 497-521, 2014
1232014
POD/DEIM Reduced-Order Strategies for Efficient Four Dimensional Variational Data Assimilation
R Ştefănescu, A Sandu, IM Navon, VD Assimilation
1102014
Comparative numerical analysis using reduced-order modeling strategies for nonlinear large-scale systems
G Dimitriu, R Ştefănescu, IM Navon
Journal of Computational and Applied Mathematics 310, 32-43, 2017
512017
Multivariate predictions of local reduced‐order‐model errors and dimensions
A Moosavi, R Ştefănescu, A Sandu
International Journal for Numerical Methods in Engineering 113 (3), 512-533, 2018
332018
The reduced‐order hybrid Monte Carlo sampling smoother
A Attia, R Ştefănescu, A Sandu
International Journal for Numerical Methods in Fluids 83 (1), 28-51, 2017
332017
Efficient approximation of Sparse Jacobians for time‐implicit reduced order models
R Ştefănescu, A Sandu
International Journal for Numerical Methods in Fluids 83 (2), 175-204, 2017
282017
Application of pod-deim approach for dimension reduction of a diffusive predator-prey system with allee effect
G Dimitriu, IM Navon, R Ştefănescu
International conference on large-scale scientific computing, 373-381, 2013
282013
POD-DEIM approach on dimension reduction of a multi-species host-parasitoid system
G Dimitriu, R Stefanescu, IM Navon
Ann. Acad. Rom. Sci. Ser. Math. Appl 7 (1), 173-188, 2015
272015
Enkf data-driven reduced order assimilation system
C Liu, R Fu, D Xiao, R Stefanescu, P Sharma, C Zhu, S Sun, C Wang
Engineering Analysis with Boundary Elements 139, 46-55, 2022
222022
Numerical simulations with data assimilation using an adaptive POD procedure
G Dimitriu, N Apreutesei, R Ştefănescu
International Conference on Large-Scale Scientific Computing, 165-172, 2009
222009
Hybrid optimization and Bayesian inference techniques for a non‐smooth radiation detection problem
R Ştefănescu, K Schmidt, J Hite, RC Smith, J Mattingly
International Journal for Numerical Methods in Engineering 111 (10), 955-982, 2017
212017
Numerical approximation of a free boundary problem for a predator-prey model
R Ştefănescu, G Dimitriu
International Conference on Numerical Analysis and Its Applications, 548-555, 2008
142008
Bayesian metropolis methods applied to sensor networks for radiation source localization
JM Hite, JK Mattingly, KL Schmidt, R Ştefănescu, R Smith
2016 IEEE International Conference on Multisensor Fusion and Integration for …, 2016
122016
Numerical optimal harvesting for a periodic age-structured population dynamics with logistic term
S Aniţa, V Arnăutu, R Ştefănescu
Numerical Functional Analysis and Optimization 30 (3-4), 183-198, 2009
102009
Variational data assimilation: Optimization and optimal control
FX Le Dimet, IM Navon, R Ştefănescu
Data Assimilation for Atmospheric, Oceanic and Hydrologic Applications (Vol …, 2017
92017
Evolutionary dynamics of cancer cell populations under immune selection pressure and optimal control of chemotherapy
G Dimitriu, T Lorenzi, R Ştefănescu
Mathematical Modelling of Natural Phenomena 9 (4), 88-104, 2014
92014
1D+ 4D-VAR data assimilation of lightning with WRFDA system using nonlinear observation operators
R Stefanescu, IM Navon, H Fuelberg, M Marchand
arXiv preprint arXiv:1306.1884, 2013
82013
Variational Assimilation of Radio Occultation Observations into Numerical Weather Prediction Models: Equations, Strategies, and Algorithms
M Gorbunov, R Stefanescu, V Irisov, D Zupanski
Remote Sensing 11 (24), 2886, 2019
72019
Introducere în finanţele comportamentale–Partea întâi
R Dumitriu, R Stefanescu
SSRN: https://papers. ssrn. com/sol3/papers. cfm, 2018
72018
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Articles 1–20