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Parcourir Publications scientifiques par titre

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  • Nonhomogeneous elliptic problems of Kirchhoff type involving critical Sobolev exponents 
    Benmansour, Safia; Bouchekif, Mohammed (Electronic Journal of Differential Equations, 2015-03-24)
    This article concerns the existence and the multiplicity of solutions for nonhomogeneous elliptic Kirchhoff problems involving the critical Sobolev exponent, defined on a regular bounded domain of R3. Our approach is ...
  • Nonhomogeneous linear differential polynomials generated by solutions of complex differential equations in the unit disc 
    Belaïdi, Benharrat (Acta et Commentationes Universitatis Tartuensis de Mathematica, 2016-06-22)
    We consider the complex oscillation of nonhomogeneous linear di erential polynomials gk= Pk j=0 djf(j)+b, where dj (j=0; 1; : : : ; k) and b are meromorphic functions of nite [p,q]-order in the unit disc , generated ...
  • Nonlinear boundary value problems for differential inclusions with Caputo fractional derivative 
    HAMANI, Samira; Benchohra, Mouffak (Topological Methods in Nonlinear Analysis, 2008)
    In this paper, we shall establish sufficient conditions for the existence of solutions for a class of boundary value problem for fractional differential inclusions involving the Caputo fractional derivative of ...
  • Nonlinear Boundary Value Problems for Hadamard Fractional Differential Inclusions with Integral Boundary Conditions 
    HAMANI, Samira; Guerraiche, Nassim; Johnny, Henderson (Advances in Dynamical Systems and Applications, 2017)
    The authors establish sufficient conditions for the existence of solutions for nonlinear fractional differential inclusions involving the Hadamard type derivative with order r ∈ (2 , 3] . Both cases of ...
  • A note on some new fractional results involving convex functions 
    Dahmani, Zoubir (Acta Math. Univ. Comenianae, 2012-12-01)
    In this paper, we establish some new integral inequalities for convex functions by using the Riemann-Liouville operator of non integer order. For our results some classical integral inequalities can ...
  • Nouvelle methode de preparation de l'acide difluorophosphorique 
    Addou, Ahmed; Vast, P; Semmoud, A; Palavit, G (Journal of fluorine chemistry, 1985-03-01)
    Une nouvelle methode de preparation de l'acide difluorodioxo- phosphorique HP02F2 est proposee par fluoration directe de l'ion P043- par HS03F. Le rendement en HP02F2 est ...
  • A novel method for studying the dynamics of polymers confined in spherical nanoparticles in nanoblends 
    Yousfi, Mohamed; Porcar, Lionel; Lindner, Peter; Boué, François; Rharbi, Yahya (Macromolecules, 2009-02-24)
    We report on a SANS investigation into the potential for these structural reorganization of complexes composed of lysozyme and small PSS chains of opposite charge if the physicochemical conditions of the solutions are ...
  • Observation method and its weaknesses in selecting Algerian goalkeepers 
    Zerf, Mohammed; Besultan, Hadje; BENNAMA, Benaouda; BEBOUCHA, Wahib (Journal of Physical Education and Sport ® (JPES), 2017-09-30)
    Background. Many East European countries released the weakness of the traditional method and tried to develop methods of identification which could be underpinned by scientific theory and evidence. Aims. The present study ...
  • Observation method and its weaknesses in selecting Algerian goalkeepers 
    Zerf, Mohammed; Besultan, Hadje; BENNAMA, Benaouda; BEBOUCHA, WAHIB (2017)
    Background. Many East European countries released the weakness of the traditional method and tried to develop methods of identification which could be underpinned by scientific theory and evidence. Aims. The present ...
  • On a class of fractional q-integral inequalities 
    Dahmani, Zoubir; Benzidane, A (Malaya Journal of Matematik, 2013)
    In the present paper, we use the fractional q-calculus to generate some new integral inequalities for some monotonic functions. Other fractional q -integral results, using convex functions, are also presented.
  • On a General Feshbach Method1 
    Messirdi, Bekkai; Benaicha, Slimane; Djaa, Mustapha; Rahmani, Abdelkader (Publié dans International Journal of Mathematical Analysis, Volume1, 2007)
    We present a general reduction Feshbach method that can be applied in particular to the spectral study of operators including the hamiltonian of the Born-Oppenheimer approximation and also to Fredholm operators. This ...
  • On a General Reduction Scheme of Fredholm Operators 
    Messirdi, Bekkai; Djellouli, Ghouti (African Journal Of Mathematical Physics, 2007)
    In this paper we present a new reduction scheme that we can applied to the study of Fredholm operators. We mainly show in a simple and original manner the stability results for Fredholm operators. We also get a fundamental ...
  • On certain nonlinear elliptic systems with indefinite terms. 
    Bensedik, Ahmed; Bouchekif, Mohammed (Electronic Journal of Differential Equations (EJDE)[electronic only], 2002)
    The purpose of this article is to nd positive solutions to the system 􀀀 pu = m(x)@H @ u(u; v) in 􀀀 qv = m(x)@H @ v(u; v) in (1:1) u = v = 0 on@ where is a bounded regular domain of RN; with a smooth ...
  • On certain quasilinear elliptic equations with indefinite terms 
    Bouchekif, Mohammed (Funkcialaj Ekvacioj, 1998)
    In this paper, we consider the existence of positive solutions of the fol-lowing problem: $(¥ ovalbox {¥ tt¥ small REJECT} _ {p}) $$¥ left¥{¥ begin {array}{l}-¥ Delta_ {p} um (x) g (u)-¥¥ u= 0¥ end {array}¥ right. $$¥ ...
  • On Closed Range Operators in Hilbert Space 
    Messirdi, Bekkai; Ould-Ali, Mohand (International Journal of Algebra, 2010)
    Let C(H) be the set of all linear closed operators densely defined on a Hilbert space H. This paper is devoted to the study of the equivalent statements for which an operator A belongs to C(H) has a closed range.
  • On different concepts of closedness of linear operators 
    Messirdi, Sanaa; Messirdi, Bekkai; Messirdi, Miloud (OaM, Oper. Matrices, 2014-03-01)
    The purpose of this paper is to introduce, by means of the extensions of almost closed operators, the notion of almost closable linear operator acting in a Hilbert or Banach space. This class of operators is strictly ...
  • On Different products of closed operators 
    Messirdi, Bekkai; Mortad, Mohammed Hichem (Banach J. Math. Anal, 2008-01-01)
    The purpose of this work is to give different products of closed operators together with their faults and assets.
  • ON INEQUALITIES INVOLVING CONVEX FUNCTIONS AND INTEGRAL CONDITIONS 
    Dahmani, Zoubir; Bounoua, Mohamed Doubbi (2018)
    In this paper, using the Riemann-Liouville fractional integral operator, we establish new results that generalize some theorems of the work: [A note on some new fractional results involving convex functions. Acta Math. ...
  • On Minkowski and Hermite-Hadamard integral inequalities via fractional integration 
    Dahmani, Zoubir (Annals of Functional Analysis, 2010)
    In this paper, we use the the Riemann–Liouville fractional inte- gral to develop some new results related to the Hermite–Hadamard inequality. Other integral inequalities related to the Minkowsky inequality are also ...
  • On nonhomogeneous elliptic equations with critical Sobolev exponent and prescribed singularities 
    Bouchekif, Mohammed; Messirdi, Sofiane (Taiwanese Journal of Mathematics, 2016)
    In this paper we consider a class of nonhomogeneous elliptic equations involving multi-polar Hardy type potentials and a Sobolev critical nonlinearity in an open domain of , . By Ekeland's Variational Principle and the ...

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