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- Boujemâa Achchab, Owe Axelsson, L. Laayouni, Ali Souissi
- Numerical Lin. Alg. with Applic.
- 2001

- R. Aboulaich, Driss Meskine, Ali Souissi
- Computers & Mathematics with Applications
- 2008

- Boujemâa Achchab, A. Majdoubi, Driss Meskine, Ali Souissi
- Appl. Math. Lett.
- 2009

- Boujemâa Achchab, S. Achchab, Owe Axelsson, Ali Souissi
- Numerical Algorithms
- 2003

The constant γ in the strengthened Cauchy–Bunyakowski–Schwarz (C.B.S.) inequality plays a crucial role in the convergence rate of multilevel iterative methods as well as in the efficiency of a posteriori error estimators, that is the framework of finite element approximations of systems of partial differential equations. We consider an approximation of… (More)

- Omar Bencharef, Brahim Jarmouni, Ali Souissi
- 2013

Abstract— The development of search engine for similar images stays yet a scientific challenge. Since every image is represented by one or more vectors, the research stage becomes very hard. To raise these difficulties, we suggest inserting a search engine based on multiple representations of images where every image will be represented by three vectors… (More)

- K. Azelmat, Mohammed Kbiri Alaoui, Driss Meskine, Ali Souissi
- Int. J. Math. Mathematical Sciences
- 2006

The paper deals with the existence of solutions of some parabolic bilateral problems approximated by the renormalized solutions of some parabolic equations.

- Boujemâa Achchab, M. El Fatini, Alexandre Ern, Ali Souissi
- Appl. Math. Lett.
- 2009

The paper deals with the existence and uniqueness of solutions of some non linear parabolic inequalities in the Orlicz-Sobolev spaces framework.

- A. Achchab, Abdellatif Agouzal, Khalid Bouihat, Ali Souissi
- J. Num. Math.
- 2011

A new technique for the implementation of cell-centered finite volume schemes is proposed. It is based on an equivalence between these schemes and the non-conforming Crouzeix-Raviart finite element approximation. Though the implementation somewhat increases the number of unknowns, it brings two significant advantages that make it attractive. On the one hand… (More)

- Boujemâa Achchab, Abdellatif Agouzal, +4 authors Ali Souissi
- 2017

The paper deals with the existence and uniqueness of solutions of some non linear parabolic inequalities in the Orlicz-Sobolev spaces framework.