Sobhy elsayed ibrahim elsayed|Publications

You are in:Home/Publications
Prof. Sobhy elsayed ibrahim elsayed :: Publications:

Research Fields

Mathematics

Number of publications is 58

Title

1-On the product of singular differential operators with their essential spectra in direct sum space

Abstract

2-THE REGULARLY SOLVABLE OPERATORS IN p

Abstract

3-ON THE DEFICIENCY INDICES OF PRODUCT DIFFERENTIAL OPERATORS IN DIRECT SUM SPACES

4-Basic and General Concepts In Mathematics

5-On the essential spectra of general differential operators

6-The General Differential Operators Generated by a Quasi-Differential Expressions with their Interior Singular Points

7-The Spectra and Regularity Fields of Product Differential Operators in the Direct Sum Spaces

Abstract

8-On the integrable solutions of product integro differential equations in direct sum spaces

9-On the spectra of product singular differential operators in direct sum spaces

10-ASIAN ACADEMIC RESEARCH JOURNAL OF MULTIDISCIPLINARY

11-The Products of Regularly Solvable Operators with Their Spectra in Direct Sum Spaces

12-On the Product of Integro Differential Equations and Their Solutions in Direct Sum Spaces

13-On the product of self-adjoint Sturm-Liouville differential operators in direct sum spaces

14-An Introduction to Calculus

15-An Introduction to Real analysis

16-On the essential spectra for products of the general quasi-differential operators and their adjoints

17-An Introduction in Sets of Numbers

18-On the boundary conditions for products of general quasi-differential operators in direct sum spaces

19-On the boundary conditions for products of regularly solvable operators

Full paper

20-Advanced Calculus

21-Basic and General Concepts in Mathematics

22-The spectra of general differential operators in the direct sum spaces

23-On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators

24-On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces

25-On the L w 2-boundedness of solutions for products of quasi-integro differential equations

26-On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators

27-Singular self-adjoint boundary conditions for products of Sturm-Liouville differential operators

28-The point spectra and regularity fields of general differential operators in direct sum spaces

29-On the boundary for products of Sturm-Liouville differential operators

30-On the Lw2-Solutions of General Second-Order Nonsymmetric Differential Equations

31-On the boundary conditions characterizing a general differential operators with a countable number of singular points

32-On the essential spectra of general differential operators

33-Perturbations of products of general quasi-differential expressions

34-The point spectra and regularity fields of products quasi-differential operators

35-Boundedness and L2-boundedness of solutions of general quasi-integro differential equations

36-On L_w^ 2-quasi-derivatives for solutions of perturbed general quasi-differential equations

37-The products of general quasi-differential operators and their essential spectra

38-The point spectra and regularity fields of products of quasi-differential operators

39-On the essential spectra of general differential operators

40-On boundary conditions for Sturm-Liouville differential operators in the direct sum spaces

41-On the essential spectra of regularly solvable operators in the direct sum spaces

42-Boundedness for solutions of general quasi-integro differential equation

43-Limit-Circle and Limit-point Classification of Second order Symmetric Differential Expression

44-The point spectra and regularity fields of non-selfadjoint quasi-differential operators

45-Non Self-Adjoint Quasi-Differential Operators with Discrete Spectra

46-The spectra of well-posed operators

47-Boundedness for solutions of general ordinary quasi-differential equations

48-Singular non-selfadjoint differential operators

49-Boundary conditions for Sturm-Liouville differential operators

50-Boundary conditions for regularly solvable operators in direct sum spaces

51-3ULL. FAC. SCI., ASSIW UNIV., 22 (2-C), PP. 43-53 (1993). SQUAPE INTEGRABLE SOLUTIONS FOR GENERAL ORDINARY QUASI-DIFFERENTIAL EQUATIONS

52-On the L w 2-boundedness of solutions for products of quasi-integro differential equations

53-On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces

54-Nonself-adjoint Differential Operators in Direct Sum Spaces

55-Boundary conditions for general ordinary differential operators and their adjoints

56-Problems associated with differential operators: Thes.... doct. phylosophy

57-Problems associated with differential operators

58-Boundary conditions for general ordinary differential operators

Prof. Sobhy elsayed ibrahim elsayed :: Publications: