American Journal of Mathematics and Statistics

American Journal of Mathematics and Statistics is to publish well-written original research articles and studies describing the latest research and developments in the field of mathematics and statistics. This is a broad-based journal covering all branches of mathematics, statistics and interdisciplinary research.

Said El Hajji

Editorial Board Member of American Journal of Mathematics and Statistics

Professor, Faculty of Sciences, University of Mohamed V Agdal, Rabat, Morocco

Research Areas

Linear Algebra (Aspects Analytical and Digital-Formal), Algorithms, Numerical Analysis, Elliptic Curves and Cryptography, Study of Partial Differential Equations (Aspects Analytical and Digital-Formal), Software Engineering, Modeling and Simulation, Wavel

Academic Achievement

Optical properties of single-crystalline chalcopyrite semiconductor AgInSe2 Koitabashi, K., Ozaki, S., Adachi, S. Journal of Applied Physics 107 (5), 053516 (2010) JAPANESE GROUP
Electronic properties of calcium ultrathin layers on cu(111): A high-resolution electron energy loss spectroscopy study antonio politano Surface Review and Letters (SRL) 17, (2010) 411 SPANISH GROUP
Sol–gel assisted preparation and characterization of silver indium diselenide powders Szu-Chia Chien, Fu-Shan Chen and Chung-Hsin Lu. Journal of Alloys and Compounds, doi:10.1016/j.jallcom.2011.06.069 (2011) TAIWANI GROUP
Effects of oxygen partial pressure and substrate temperature on the structure and optical properties of MgxZn1-xO thin films prepared by magnetron sputtering Zhang, X., Lu, Z., Meng, F., Wang, Y., Li, Y., Yu, X., Tang, C. Applied Surface Science 257 (15),
Composition dependence of bulk modulus and bond length of Mg xZn1-xO(x = 0.0-1.0) alloy semiconductors Li, K., Ding, Z., Xue, D. Functional Materials Letters3 (4), 241-244 (2010) CHINESE GROUP
Structural, optical and electrical properties of Zn1-xCd xO thin films prepared by PLD Zheng, B.J., Lian, J.S., Zhao, L., Jiang, Q., Applied Surface Science 257 (13)5657-5662 (2011) CHINESE GROUP

Membership

Graduate School of FSR (CED) since 2007
Moroccan Society of Applied Mathematics (since its inception in 2007), member of Cnseil administartion since 2007 and member of the National Bureau from 2007 to 2010
Faculty Master MIA, MIA and PhD and DESA ANO since 1997
maroccana Internet Society (MISOC, Public Utility Association) since 1997 and member of the National Bureau from 2003 to 2008
Moroccan Society of Mathematics (since 1995)
Moroccan Association for Cryptography (AMC) (since its inception in 2004)

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  Hafid Belhaj, Youssef Balouki, Mohamed Bouhdadi, Said El Hajji: Using Event B to Specify QoS in ODP Enterprise Language. PRO-VE 2010: LNCS p 478-485
[2]  Jalal.Laassiri, S.El Hajji, M.Bouhdadi: "Specifying Behavioral Concepts by engineering language of RM-ODP" Journal of Theoretical and Applied Information Technology (JATIT), Volume (15). No.1 pp 1 to 10 Mai 2010
[3]  Jalal.Laassiri, S.El Hajji, M.Bouhdadi:"Verifying ODP Computational Behavioral Specification by using B-Method", International Journal of Computer Science and Security (IJCSS), Volume (4): Issue (1), pp 31-39, March 2010
[4]  Jalal laassiri, Said elhajji, Mohamed bouhdadi, Ghizlane Orhanou and Youssef balouki: "Specifying Data Bases Management Systems by Using RM-ODP Engineering Language"International Journal of Computer Science Issues, (IJCSI), Published in Volume 7, Issue 3, No 6, pp 10-17, Mai 2010.
[5]  Jalal laassiri, Said elhajji, Youssef balouki, Ghizlane Orhanou, Mohamed bouhdadi: "Model Object of RM-ODP Standard in Dynamic Distributed Databases"Journal of Theoretical and Applied Information Technology (JATIT), Volume 16 No.2, pp [129–134] Juin 2010
[6]  G. Orhanou, S. El Hajji, J. Laassiri, Y. Bentaleb 'EPS Confidentiality and Integrity mechanisms-Algorithmic Approach' International Journal of Computer Science Issues, (IJCSI), Volume 7, Issue 4, No 4, pp 15-23, July 2010.
[7]  G. Orhanou, S. El Hajji, J. Laassiri, Y. Bentaleb "UTRAN Cryptographic Algorithms VeriFication and Implementation" Journal of Theoretical and Applied Information Technology (JATIT), Volume18. No. 2--20, pp [67-76]Aout 2010
[8]  Y. BENTALEB, S. EL HAJJI, J. LAASSIRI, G. ORHANOU "An Algorithm of Wavelets For the pretreatment of EMG biomedical signals" Contemporary Engineering Sciences, Volume 3, no. 6, pp [285-294] Aout 2010
[9]  Jalal. Laassiri, S.El Hajji, Y. Balouki, M. Bouhdadi "A Formal Semantics of Concepts in Information Language in ODP Systems"DLINE journals, 2010
[10]  Hafid Belhaj, Mohamed Bouhadadi, Said El Hajji "Using event B to specify trader function in ODP"Journal of Computer Science and Control Systems, Volume 3, Number 2, 2010.
[11]  Belhaj Hafid, Balouki Youssef, Bouhdadi Mohamed, Said El hajji: "Using Event B to specify QoS in ODP Enterprise language", PRO-VE'10 11th IFIP Working Conference on VIRTUAL ENTERPRISES, Saint-Etienne, France, 11-13 October 2010.
[12]  Belhaj Hafid, Bouhdadi Mohamed, Said El hajji: "Using event B to specify trader function in ODP", accepted to be to be published in the Journal of Computer Science and Control Systems (JCSCS) Volume 3, Number 2, 2010.
[13]  Belhaj Hafid, Bouhdadi Mohamed, Said El hajji: "Verifying ODP trader function by using Event B", IJCSI International Journal of Computer Science Issues, Vol. 7, Issue 4, No 9, July 2010.
[14]  Salahddine Krit, Jalal Laassiri and Said El Hajji: "Modeling and Simulation Methodology Techniques for Advanced Low Power Communication Circuits and Systems of Wireless Sensor Networks", SIMUTools2011 4th International ICST Conference on Simulation Tools and Techniques Barcelona, Spain-March 21-25 2011.
[15]  Salahddine Krit, Jalal Laassiri and Said El Hajji: "Design and implementation of wireless technology to create wireless sensor network using OMNET++", 1er Congrès international: Informatique et Sciences de l'IngenieurISI, 1-5 March 2011 Erachidiya Morocco.
[16]  Salahddine Krit, Jalal Laassiri and Said El Hajji: "Design and Analysis of a Class D Amplifier with high-efficiency and low-distortion"The 2010 International Conference of Wireless Networks, London, U.K., 30 June-2 July, 2010 .
[17]  Salahddine Krit, Jalal Laassiri and Said El Hajji: "Comparison and Realization of Audio Amplifiers Using CMOS Technology (Class-A, Class-B, Class-AB and Class-D)", The 2nd International Conference on Multimedia Computing and Systems (ICMCS'11) April 7-9 2011, Ouarzazate, Morocco.
[18]   Salahddine Krit, Jalal Laassiri and Said El Hajji:"Comparison and Realization of Audio Amplifiers Using CMOS Technology (Class-A, Class-B, Class-AB and Class-D)": The 2nd International Conference on Multimedia Computing and Systems (ICMCS'11) April 7-9 2011, Ouarzazate, Morocco.
[19]  Jalal Laassiri, Salahddine Krit and Said El Hajji: "Specifying QoS structural constraints in RM-ODP", WCE 2011, London, U.K., July, 2011(accepted).
[20]  Youssef BENTALEB, Said EL HAJJI, Ghizlane ORHANOU: "A Wavelets Algorithm for the Seismic Waves Alignment", Int. J Contemporary Engineering Sciences, Vol. 3, 2010, no. 4, 157-166, 2010
[21]  Said El Hajji and Ghizlane Orhanou: "Confidentiality in the UMTS Radio Access Network Simulation approach under OPNET", BCS, EWIC, 2009, http://www.bcs.org/server.php?show=ConWebDoc.27252,
[22]  Jalal Laassiri-Youssef Balouki-Hafid Belhaj-Said El Hajji-Mohamed Bouhdadi A Denotational Semantics of Concepts in ODP Information Language Journal: Lecture Notes in Engineering and Computer Science Vol: 2176 Issue: 1 Pages/record No.: 486-492, Year: 2009
[23]  Belhaj Hafid-Youssef Balouki-Jalal Laassiri-Redouane Benaini-Mohamed Bouhadadi-Said El Hajji Using BPEL for Behavioral Concepts in ODP Computational Language Journal: Lecture Notes in Engineering and Computer Science Vol: 2176 Issue: 1 Pages/record No.: 162-168, Year: 2009
[24]  Y. Balouki-Jalal. Laassiri-H. Belhaj-R. Benaini-S. El hajji-M. Bouhdadi "Event B for ODP Enterprise Behavioral Concepts Specification"Journal: Lecture Notes in Engineering and Computer Science Vol: 2176 Issue: 1 Pages/record No.: 784-788, Year: 2009
[25]  El Ghazi, S. El Hajji: Newton's method for the common eigenvector problem, CAM 6586, Journal of Computational and Applied Mathematics, JCAM, 2008.
[26]  Bentaleb Youssef and Said El Hajji: Estimation of the Seismic Dispersion Parameters by Wavelets, Inter-national Journal of Tomography & Statistics, Vol 9, No. S08, pp 59-72, 2008.
[27]  Bentaleb Y. and S. El Hajji, An Algorithm of Wavelets For the pretreatment of EMG biomedical signals, accepted for publication in the Int. J. Contemp. Engineering Science, 2008.
[28]  Bentaleb Y. and S. El Hajji, The Wavelets Analysis of Dispersive Seismic Profile, Int. J. Applied Mathematical Sciences, Vol. 2, no. 25, pp 1219-1228, 2008.
[29]  Bentaleb Y. and S. El Hajji, Estimation of the Polarization by Wavelet Transform, Int. J. Contemp. Math. Sciences, no. 14, Vol. 3, pp 675-682, 2008.
[30]  Bentaleb Y. and S. El Hajji, Polarization analysis of the multicomponents seismic waves by wavelets, International Journal of Computational and Numerical Analysis and Applications, 2007.
[31]  BenSleten, S. El Hajji, E.M. Souidi: << Etude des fonctions booleennes et leur utilisation dans la cryptographie >>, 2007.
[32]  BenSleten et S. El Hajji: << La Cryptanalyse differentielle des algorithmes de chiffrement par blocs >>, Acte du Colloque International sur l'Informatique et ses Applications IA2006 pages: 32-39, 2006
[33]  EL Ghazi, S. EL Hajji, L. Giraud, and S. Gratton. A short note on backward errors for the common eigen-vector problem. Technical Report TR/PA/06/13, 2006
[34]  El Hajji et L. Touijrat: Laguerre Peron's equations and Quadrature formula. J. Appl. Math. Comput. 18 (2005), no. 1-2, 205—228, 2005
[35]  El Hajji et K. Ilias: A multilevel method of nonlinear Galerkin type for the Navier Stokes equations. Mathematical Problems in Engineering 2005:3 (2005) 341–363., 2005