Estimate of the Constant in Two Strengthened C.B.S. Inequalities for F.E.M. Systems of 2D Elasticity: Application to Multilevel Methods and a Posteriori Error Estimators. - Boujemâa Achchab; J. F. Maître (Numer. Linear Algebra Appl., 1996)

Estimateur d'erreur a posteriori hiérarchique. Application aux éléments finis mixtes. - Boujemâa Achchab; Abdellatif Agouzal; Jacques Baranger; J. F. Maître (Numerische Mathematik, 1998)

Strengthened Cauchy-Bunyakowski-Schwarz inequality for a three-dimensional elasticity system. - Boujemâa Achchab; Owe Axelsson; L. Laayouni; Ali Souissi (Numer. Linear Algebra Appl., 2001)

On a posteriori error estimator for primal, equilibrium and mixed approximation of diffusion equations. - Boujemâa Achchab; Said Achchab 001; Abdellatif Agouzal; Rachid Ellaia (Appl. Math. Comput., 2003)

Upper Bound of the Constant in Strengthened C.B.S. Inequality for Systems of Linear Partial Differential Equations. - Boujemâa Achchab; Said Achchab 001; Owe Axelsson; Ali Souissi (Numer. Algorithms, 2003)

A posteriori error estimates for subgrid viscosity stabilized approximations of convection-diffusion equations. - Boujemâa Achchab; Mohamed El Fatini; Alexandre Ern; Ali Souissi (Appl. Math. Lett., 2009)

A posteriori error analysis using the constitutive law for the Crouzeix-Raviart element. - Boujemâa Achchab; Adil Majdoubi; Driss Meskine; Ali Souissi (Appl. Math. Lett., 2009)

Robust a posteriori error estimates for subgrid stabilization of non-stationary convection dominated diffusive transport. - Boujemâa Achchab; Abdelghani Benjouad; Mohamed El Fatini; Ali Souissi; Gerald Warnecke (Appl. Math. Comput., 2012)

A posteriori error estimates for non conforming approximation of quasi Stokes problem. - Boujemâa Achchab; Abdellatif Agouzal; Khalid Bouihat (ARIMA J., 2012)

On approximation of linear functionals over convex functions: Construction techniques and new directions. - Boujemâa Achchab; Allal Guessab (Appl. Math. Comput., 2014)

Star-Based a Posteriori Error Estimates for Elliptic Problems. - Boujemâa Achchab; Abdellatif Agouzal; N. Debit; Khalid Bouihat (J. Sci. Comput., 2014)

A general approach to the construction of nonconforming finite elements on convex polytopes. - Boujemâa Achchab; Khalid Bouihat; Allal Guessab; Gerhard Schmeisser (Appl. Math. Comput., 2015)

A new class of nonconforming finite elements for the enrichment of Q1 element on convex polytope. - Boujemâa Achchab; Allal Guessab; Yassine Zaim (Appl. Math. Comput., 2015)

Feature selection for multiclass support vector machines. - Fatima Zahra Aazi; Rafik Abdesselam; Boujemâa Achchab; Abdeljalil Elouardighi (AI Commun., 2016)

A Distributed Intelligent System for Emergency Convoy. - Mohammed Benalla; Boujemâa Achchab; Hamid Hrimech (Int. J. Interact. Multim. Artif. Intell., 2016)

Variable selection for clustering with Gaussian mixture models: state of the art. - Abdelghafour Talibi; Boujemâa Achchab; Rafik Lasri (CoRR, 2017)

A first study exploring the performance of the state-of-the art CNN model in the problem of breast cancer. - Yassir Benhammou; Siham Tabik; Boujemâa Achchab; Francisco Herrera (LOPAL, 2018)

A hybrid genetic algorithm for solving 0/1 Knapsack Problem. - Soukaina Laabadi; Mohamed Naimi; Hassan El Amri; Boujemâa Achchab (LOPAL, 2018)

A Crow Search-Based Genetic Algorithm for Solving Two-Dimensional Bin Packing Problem. - Soukaina Laabadi; Mohamed Naimi; Hassan El Amri; Boujemâa Achchab (KI, 2019)

Clustering of the population benefiting from health insurance using K-means. - Sara Zahi; Boujemâa Achchab (SCA, 2019)

An extended family of nonconforming quasi-Wilson elements for solving elasticity problem. - Boujemâa Achchab; Abdellatif Agouzal; Allal Guessab; Yassine Zaim (Appl. Math. Comput., 2019)

Numerical simulations for non conservative hyperbolic System. Application to transient two-phase Flow with Cavitation phenomenon. - Abdelmjid Qadi El Idrissi; Boujemâa Achchab; Abdellatif Agouzal (Math. Model. Anal., 2019)

Modeling car loan prepayment using supervised machine learning. - Sara Zahi; Boujemâa Achchab (ANT/EDI40, 2020)

Numerical simulation of the Black-Scholes equation using the SPH method. - Abdelmjid Qadi El Idrissi; Boujemâa Achchab; Abdellahi Cheikh Maloum (Int. J. Comput. Sci. Math., 2020)

Numerical analysis of the European and American options with the SPH method. - Abdelmjid Qadi El Idrissi; Boujemâa Achchab; Abdellahi Cheikh Maloum (Int. J. Math. Model. Numer. Optimisation, 2020)

BreakHis based breast cancer automatic diagnosis using deep learning: Taxonomy, survey and insights. - Yassir Benhammou; Boujemâa Achchab; Francisco Herrera; Siham Tabik (Neurocomputing, 2020)

Explicit error estimates in a method of moments for recovering boundary data. - Boujemâa Achchab; Abdeljalil Sakat; Ali Souissi (Int. J. Math. Model. Numer. Optimisation, 2021)

On the computational complexity of Dempster's Rule of combination, a parallel computing approach. - Mohammed Benalla; Boujemâa Achchab; Hamid Hrimech (J. Comput. Sci., 2021)

Adaptive finite element method for wick stochastic partial differential equations. - Boujemâa Achchab; Khalid Bouihat; Abderrezzak El-Bouayadi (Int. J. Math. Model. Numer. Optimisation, 2023)