Liste des publications scientifiques

 

1 .  S. Charfi and A. Jeribi, On a characterization of the essential spectra of some matrix  operators and application to two-group transport operators, Math. Z., 262, (4),775-794, (2009).

 

2 .   S. Charfi, A. Intissar and A. Jeribi, Expansion of solution in terms of generalized eigenvectors for a rectilinear transport equation, Transport Theory Statist. Phys., 38, (6), 330-345, (2009).

 

3. S. Charfi, A. Jeribi and I. Walha, Essential spectra, matrix operator and applications, Acta Appl. Math., 111, (3), 319-337, (2010).

 

4. S. Charfi, A. Jeribi and I. Walha, Riesz basis property of families of nonharmonic exponentials and application to a problem of a radiation of a vibrating structure in a light fluid.  Numer. Funct. Anal. and Optim. ., 32, (54), 370-382, (2011).

 

5. F. Abdmouleh, S. Charfi and A. Jeribi, On a characterization of the essential spectra of the sum and the product of two operators  J. Math. Anal. Appl., 386, 1, 83-90, (2012).

 

6. S. Charfi , On the time asymptotic behavior of a transport operator with diffuse reflection boundary condition, Transport Theory Statist. Phys., 41, 7, 529-551, (2012).

7. S. Charfi, A. Jeribi and N. Moalla, Time asymptotic behavior of the solution of an abstract Cauchy problem given by a one-velocity transport operator with Maxwell boundary condition. Collectanea Mathematica, 64,97-109, (2013).

 

8. S. Charfi, A. Damergi and A. Jeribi, On a Riesz basis of finite-dimensional invariant subspaces and application to Gribov operator in Bargmann space, Linear and Multilinear Algebra, 1577- 1591,  (2013).

 

9. S. Charfi, A. Jeribi and R. Moalla, Essential spectra of operator matrices and applications, Mathematical Methods in the Applied Sciences, 37, 597–608, (2014)

 

10. S. Charfi, A. Elleuch, and A. Jeribi,  On the time asymptotic behavior of a transport operator with  bounce-back boundary condition,  Applied Mathematics in Tunisia,  329-358, (2015).

 

11. S. Charfi and S. Rahali, On a characterization  of  the  S- essential spectra of the sum and the product of two operators and application to a transport operator,  Acta Mathematica Scientia, 35 B(6):1285–1304, (2015).

 

12. S. Charfi and I. Walha, On relative essential spectra of block operator matrices and application, Bull. Korean Math. Soc.  681-698, (2016)

 

13. S. Charfi and S. Rahali, Quasi-compact operator, pseudo-essential spectra and some perturbation results,  Indagationes Mathematicae, 670-679, (2017) 

 

14. S. Charfi and H. Ellouz, Frame of exponentials related to analytic families operators and application to a nonself adjoint problem of radiation of a vibrating structure in a light fluid, Complex Analysis and Operator Theory, (2018)