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l'étude d'une classe de problèmes mal posés.

Djezzar Salah; Teniou Nihed (Université Frères Mentouri - Constantine 1, 2012)

Sur la minimisation de la normed’un opérateur élémentaire et applications

Mecheri Hacene; Mecheri Salah (Université Frères Mentouri - Constantine 1, 2013-01-01)

In this thesis the general problem is minimizing the C_{∞} norm of suitable affine mappings from B(H) to C_{∞} and B(H) → B(H).Using convex and differential analyses (Gateaux derivative) as well as input from operator ...

Etude de système d'equations paraboliques et hyperboliques semi linéaires avec des conditions non locales

Temsi Mohamed Salah; Bouziani Abdelfatah (Université Frères Mentouri - Constantine 1, 2017-01-01)

This thesis is devoted to the study: system of equations of pseudo-parabolic, pseudohyperbolic, and pseudo-Para-hyperbolic semilinear( or quasi-linear) with integral condition. With inequality energetically we etablish ...

Etude de la fiabilité des systèmes disposés en blocs

Bouhadjar Slimane; Ksir Brahim (Université Frères Mentouri - Constantine 1, 2017-01-01)

The object of our work is a study the consecutive k-out-of-n system and the consecutive k-out-ln parallel. Firstly, in the expressions and bounds of the reliability (R) consecutive k-out-of-n system appair the trem qk , ...

Inférence statistique dans le cas d'observations censurées

Laroussi lhem; Messaci Fatiha (Université Frères Mentouri - Constantine 1, 2014)

In this work, we are interested in two non-parametric methods of the regression function. Namely the method of least squares and the penalized least squares. Our contribution is in the fact that we extended these methods ...

Statistique asymptotique dans les modèles bilinéaires À changement de régime Markovien

Bibi A.; Ghezal Ahmed (Université Frères Mentouri - Constantine 1, 2017-01-01)

This thesis investigates some probabilistic properties and statistical applications of general Markovswitching bilinear processes (MS-BL) that offers remarkably rich dynamics and complex behavior to model non Gaussian ...

Analyse bayésienne dans les essais cliniques

Merabet H.; Labdaoui Ahlam (Université Frères Mentouri - Constantine 1, 2015)

The first talk on the theory of decision and choice of law a priori and a posteriori motivated by computation al applications of Bayesian power and sample size with binary data, it was envisaged in the second chapter methods ...

Utilisation des méthodes algébriques et combinatoires pour la contruction des plans d'expérience

Rezgui Imane; Gheribi Z. (Université Frères Mentouri - Constantine 1, 2015)

Étude variationnelle de quelques problèmes en mécanique du contact

Benferdi Sabrina; Teniou Boudjemaa (Université Frères Mentouri - Constantine 1, 2017-01-01)

The purpose of this thesis is the study of two boundary contact problems. The first is the frictionless contact with adhesion between a nonlinear elastic material and a rigid foundation. The second is the frictionless ...

Processus empiriques dans un modèle de censure et estimation fonctionnelle

Messaci Fatiha; Kitouni Abderrahim (Université Frères Mentouri - Constantine 1, 2015)

In this thesis we establish the almost complete uniform convergence, with rate, of estimators of the survival function and the hazard function under twice censorship. In this model, the variable of interest � is ...

Inférence statistique dans les modèles de régression non paramétriques

Mezhoud Kenza Assia; Mohdeb Zaher (Université Frères Mentouri - Constantine 1, 2017-01-01)

We have choosen to investigate the statistic inference in nonpara- metric regression models by studying kernel densities and regres- sion estimators under different assumptions . This work is organised in two parts : The ...

Bifurcation et symetrie dans les systemes dynamiques discrets couples.

Achari -Soula Yamina; Hamri N. (Université Frères Mentouri - Constantine 1, 2017-01-01)

This thesis presents the results of the theoretical study of a system that produce chaos. The system is modeled by a coupled transformation (denoted T) in two dimensions based on a sine function. In this study, we analyze ...

Asymptotic analysis of a signorini problem with Coulomb friction for shallow shells

Chacha Djamel Ahmed; Ghezal Abderrezak (Université Frères Mentouri - Constantine 1, 2017-01-01)

The objective of this thesis is to study the asymptotic modeling of threedimensional problems of nonlinearly elastic shallow shells, in dynamical case, with and without unilateral contact. Also, to study the numerical ...

Analyse du chaos dans un système d’équations différentielles fractionnaires

Hamri N.; Houmor Tarek (Université Frères Mentouri - Constantine 1, 2017-01-01)

In this thesis, we focus on the differential equations of fractional order systems exhibiting chaotic dynamics. Particular attention has been paid to a nonlinear system of fractional differential equations modeling the ...

Amélioration de certaines méthodes d’optimisation globale

Hamzaizia Taieb; Ziadi Abdelkader (Université Frères Mentouri - Constantine 1, 2014)

"There are severalresearchmethods but stillsolvingproblems of global optimization problemremains open. They are extremelydifficult to solveuntreatable and without a minimum assumptionsthatshouldberequireddepending on the ...

Estimation non-paramétrique de la fonction de régression

Messaci Fatiha; Kebabi Khedidja (Université Frères Mentouri - Constantine 1, 2017-01-01)

"The purpose of this dissertation is to establish asymptotic results of a kernel type estimator of the regression function. This estimator is analogous to the Nadaraya-Watson estimator but the response variable is subject ...

Observabilité régionale du gradient des systèmes hyperboliques.

Benhadid Samir; Rekkab ép Bouhouhou Soraya (Université Frères Mentouri - Constantine 1, 2017-01-01)

The work realized in this thesis is a part of mathematics applied to the theoretical automatic. The concepts of regional analysis, internal and boundary, of the gradient were introduced for systems governed by hyperbolic ...

Les methodes numeriques pour les equations aux derivees partielles avec des conditions aux limites non locales

Cheniguel Ahmed; Ayadi A. (Université Frères Mentouri - Constantine 1, 14-5-2012)

Inférence Statistique dans les Processus GARCH à Coefficients Dépendant du Temps

Bibi Abdelouahab; Lescheb Ines (Université Frères Mentouri - Constantine 1, 2017-01-01)

Sur une classe de problémes aux limites avec conditions aux bords de type intégrales

Lakhal Fahim; Marhoune Ahmed Lakhdar (Université Frères Mentouri - Constantine 1, 2017-01-01)

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