Cheggag, Mustapha; Labbas, Rabah; Maingot, Stéphane; Kaid, Mohammed New results on elliptic equations with nonlocal boundary coefficient-operator conditions in UMD spaces: noncommutative cases. (English) Zbl 1440.35043 Mediterr. J. Math. 17, No. 2, Paper No. 64, 18 p. (2020). MSC: 35J05 35J25 PDF BibTeX XML Cite \textit{M. Cheggag} et al., Mediterr. J. Math. 17, No. 2, Paper No. 64, 18 p. (2020; Zbl 1440.35043) Full Text: DOI OpenURL
Labbas, Rabah; Medeghri, Ahmed; Menad, Abdallah Solvability of elliptic differential equations, set in three habitats with skewness boundary conditions at the interfaces. (English) Zbl 1400.35089 Mediterr. J. Math. 15, No. 3, Paper No. 128, 23 p. (2018). MSC: 35J25 92D25 92D50 PDF BibTeX XML Cite \textit{R. Labbas} et al., Mediterr. J. Math. 15, No. 3, Paper No. 128, 23 p. (2018; Zbl 1400.35089) Full Text: DOI OpenURL
Hammou, Houari; Labbas, Rabah; Maingot, Stéphane; Medeghri, Ahmed Nonlocal general boundary value problems of elliptic type in \(L^p\) cases. (English) Zbl 1352.35025 Mediterr. J. Math. 13, No. 4, 1669-1683 (2016). Reviewer: Gelu Paşa (Bucureşti) MSC: 35J25 34G10 35J05 35J15 PDF BibTeX XML Cite \textit{H. Hammou} et al., Mediterr. J. Math. 13, No. 4, 1669--1683 (2016; Zbl 1352.35025) Full Text: DOI OpenURL
Chaouchi, Belkacem; Labbas, Rabah; Sadallah, Boubaker-Khaled Laplace equation on a domain with a cuspidal point in little Hölder spaces. (English) Zbl 1296.35049 Mediterr. J. Math. 10, No. 1, 157-175 (2013). MSC: 35J25 34G10 44A45 PDF BibTeX XML Cite \textit{B. Chaouchi} et al., Mediterr. J. Math. 10, No. 1, 157--175 (2013; Zbl 1296.35049) Full Text: DOI OpenURL
Bouziani, Fatima; Favini, Angelo; Labbas, Rabah; Medeghri, Ahmed Study of boundary value and transmission problems governed by a class of variable operators verifying the Labbas-Terreni non commutativity assumption. (English) Zbl 1221.34157 Rev. Mat. Complut. 24, No. 1, 131-168 (2011). Reviewer: Yakov Yakubov (Tel-Aviv) MSC: 34G10 35J25 47D03 34B15 PDF BibTeX XML Cite \textit{F. Bouziani} et al., Rev. Mat. Complut. 24, No. 1, 131--168 (2011; Zbl 1221.34157) Full Text: DOI OpenURL
Cheggag, M.; Favini, A.; Labbas, R.; Maingot, S.; Medeghri, A. Sturm-Liouville problems for an abstract differential equation of elliptic type in UMD spaces. (English) Zbl 1224.35418 Differ. Integral Equ. 21, No. 9-10, 981-1000 (2008). MSC: 35R20 35J20 35J40 47D06 34B05 PDF BibTeX XML Cite \textit{M. Cheggag} et al., Differ. Integral Equ. 21, No. 9--10, 981--1000 (2008; Zbl 1224.35418) OpenURL
Berroug, Tarik; Labbas, Rabah; Sadallah, Boubaker-Khaled Resolution in Hölder spaces of an elliptic problem in an unbounded domain. (English) Zbl 1115.34056 J. Aust. Math. Soc. 81, No. 3, 387-404 (2006). Reviewer: Nikolay Vasilye Grigorenko (Kyïv) MSC: 34G10 35J25 44A45 PDF BibTeX XML Cite \textit{T. Berroug} et al., J. Aust. Math. Soc. 81, No. 3, 387--404 (2006; Zbl 1115.34056) Full Text: DOI OpenURL
Favini, Angelo; Labbas, Rabah; Maingot, Stéphane; Tanabe, Hiroki; Yagi, Atsushi On the solvability and the maximal regularity of complete abstract differential equations of elliptic type. (English) Zbl 1121.34325 Funkc. Ekvacioj, Ser. Int. 47, No. 3, 423-452 (2004). MSC: 34G10 35J25 35J40 35K65 47D06 PDF BibTeX XML Cite \textit{A. Favini} et al., Funkc. Ekvacioj, Ser. Int. 47, No. 3, 423--452 (2004; Zbl 1121.34325) Full Text: DOI OpenURL
Favini, Angelo; Labbas, Rabah; Tanabe, Hiroki; Yagi, Atsushi On the solvability of complete abstract differential equations of elliptic type. (English) Zbl 1128.34319 Funkc. Ekvacioj, Ser. Int. 47, No. 2, 205-224 (2004). MSC: 34G10 47D06 PDF BibTeX XML Cite \textit{A. Favini} et al., Funkc. Ekvacioj, Ser. Int. 47, No. 2, 205--224 (2004; Zbl 1128.34319) Full Text: DOI OpenURL
El Haial, Abdelillah; Labbas, Rabah On the ellipticity and solvability of an abstract second-order differential equation. (English) Zbl 0996.34046 Electron. J. Differ. Equ. 2001, Paper No. 57, 18 p. (2001). MSC: 34G10 35J25 47D03 PDF BibTeX XML Cite \textit{A. El Haial} and \textit{R. Labbas}, Electron. J. Differ. Equ. 2001, Paper No. 57, 18 p. (2001; Zbl 0996.34046) Full Text: EuDML EMIS OpenURL
Labbas, Rabah; El Haial, Abdelillah Resolution of a complete abstract second order differential equation of elliptic type. (English) Zbl 0949.34046 Demonstr. Math. 32, No. 4, 725-744 (1999). MSC: 34G10 PDF BibTeX XML Cite \textit{R. Labbas} and \textit{A. El Haial}, Demonstr. Math. 32, No. 4, 725--744 (1999; Zbl 0949.34046) Full Text: DOI OpenURL
Labbas, Rabah; de Malafosse, Bruno On some Banach algebra of infinite matrices and applications. (English) Zbl 0911.47039 Demonstr. Math. 31, No. 1, 153-168 (1998). MSC: 47L10 47B37 47D09 47E05 PDF BibTeX XML Cite \textit{R. Labbas} and \textit{B. de Malafosse}, Demonstr. Math. 31, No. 1, 153--168 (1998; Zbl 0911.47039) Full Text: DOI OpenURL
Labbas, Rabah Ellipticity conditions and solution of a second order complete abstract differential equation. (Conditions d’ellipticité et résolution d’une équation différentielle abstraite complète du second ordre.) (French) Zbl 0815.34055 Boll. Unione Mat. Ital., VII. Ser., A 8, No. 3, 413-424 (1994). Reviewer: E.Trofimtchouk (Kiev) MSC: 34G20 35J15 35J25 34B15 PDF BibTeX XML Cite \textit{R. Labbas}, Boll. Unione Mat. Ital., VII. Ser., A 8, No. 3, 413--424 (1994; Zbl 0815.34055) OpenURL
Labbas, Rabah Équation elliptique abstraite du second ordre et équation parabolique pour le problème de Cauchy abstrait. (Abstract elliptic equation of the second order and abstract Cauchy problem of parabolic type). (French) Zbl 0636.35004 C. R. Acad. Sci., Paris, Sér. I 305, 785-788 (1987). MSC: 35A05 34G10 35B65 35J15 35K10 PDF BibTeX XML Cite \textit{R. Labbas}, C. R. Acad. Sci., Paris, Sér. I 305, 785--788 (1987; Zbl 0636.35004) OpenURL