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Viorel Petrehus
Viorel Petrehus
Associate Professor, UTCB Bucharest
Verified email at utcb.ro
Title
Cited by
Cited by
Year
Spectral band decomposition combined with nonlinear models: Application to indoor formaldehyde concentration forecasting
R Ouaret, A Ionescu, V Petrehus, Y Candau, O Ramalho
Stochastic environmental research and risk assessment 32, 985-997, 2018
102018
Iniţiere în R: pentru persoane cu pregătire matematică
M Miroiu, V Petrehuş, G Zbăganu
StudIS, 2013
102013
Metode numerice pentru ecuaţii diferenţiale
I Dragotă, V Petrehuş
Orizonturi Universitare, 2002
42002
Variational integrators for higher order lagrangians
V Petrehuş
Bulletin mathematique de la Societe des sciences mathematiques de Roumanie …, 2007
32007
Using Radon transform in image reconstruction
C Gavrila, V Petrehus, I Gruia
Math. Model. Civ. Eng, 2010
22010
Probabilitati si statistica
V PETREHUS, SA POPESCU
Universitatea Technica de Constructi, Bucuresti, 43, 2005
22005
Particulate matter variability sources in an open-plan office: comparison of two monitoring campaigns
R Ouaret, A Ionescu, V Petrehus, Y Candau, O Ramalho
22nd European Aerosol Conference, 2016
12016
Analysis of the temporal variability of indoor particulate matter concentrations using Blind Source Separation methods: a comparative study
R Ouaret, A Ionescu, O Ramalho, Y Candau, E Gehin, V Petrehus
International Aerosol Conference, 1, 2014
12014
Image reconstruction in optical tomography using Radon transform and its inverse
V Petrehus, C Gavrila, I Gruia
Ninth International Conference on Correlation Optics 7388, 366-371, 2009
12009
Annual energetic behavior of buildings and the typical meteorological year
I COLDA, F ARDELEAN, V PETREHUS, L NICULITA
Malta Conference, 2008
12008
Modelling the time fluctuation of indoor air formaldehyde concentrations: variability structure identification and forecasting using non linear models
R Ouaret, A Ionescu, O Ramalho, Y Candau, V Petrehus, L Labat
Indoor Air 2014, 321-328, 2014
2014
Forecasting indoor pollutants concentrations using Fast Fourier Transform (FFT) and Regime Switching Models
R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau
International work-conference on Time-Series analysis 1, 52-63, 2014
2014
Identification des sources de variabilité des niveaux de polluants par analyse en composantes indépendantes et par estimation de mélange des données de l'air intérieur
R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau
Journées Interdisciplinaires de la Qualité de l'Air, 18 pages, 2014
2014
Caractérisation et identification de la variabilité temporelle des sources de particules dans un environnement intérieur: approche statistique
R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau
29ème Congrès Français sur les Aérosols 1, 6 pages, 2014
2014
Journées Interdisciplinaires Qualité Air 2014
R OUARET, A IONESCU, O RAMALHO, V PETREHUS, Y CANDAU
2013
SYMBOLIC SYSTEM SOLVING OF LINEAR ORDINARY DIFFERENTIAL EQUATIONS WITH CONSTANT COEFFICIENTS USING MATHCAD.
V Petrehuş, G Picolo
Mathematical Modeling in Civil Engineering, 2012
2012
SERII TEMPORALE ALE POLUĂRII AERULUI ÎN CENTRUL BUCUREȘTIULUI
V Petrehuş, I Armeanu
11-th Workshop of Department of Mathematics and Computer Science, Technical …, 2011
2011
REZOLVAREA FORMALĂ A SISTEMELOR DE ECUATII DIFERENTIALE CU COEFICIENTI CONSTANTI IN MATHCAD
V Petrehuş, P Gheorghe
11-th Workshop of Department of Mathematics and Computer Science, Technical …, 2011
2011
ITERATED INTEGRATED TAIL WITH PERIODIC HAZARD RATE
M Buiculescu, V Petrehus, GA ZBAGANU
MATHEMATICAL REPORTS 13 (2), 127-139, 2011
2011
REFINED CONTROL OF THE LIMIT CONDITIONS IN THE FINITE DIFFERENCES METHOD FOR DOMAINS WITH SMOOTH BOUNDARY.
G Paltineanu, V Petrehus
Mathematical Modeling in Civil Engineering, 2010
2010
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