مجلات نهمین همایش بین المللی معادلات دیفرانسیل: پلوودیو، بلغارستان، ۱۸ تا ۲۳ آگوست ۱۹۹۸ ۲۰۲۲
Proceedings of the Ninth International Colloquium on Differential Equations: Plovdiv, Bulgaria, 18–23 August, 1998 2022

1. CONTENTS

2. Preface

3. 65-th Anniversary of Prof. Drumi Bainov

4. Construction of Systems of Partial Differential Equations and Their Solutions

5. Inverse Spectral Problem for the Differential Equation of the Second Order with Singularity

6. Inverse Problem for the Sturm-Liouville According to a Spectrum and Normalizing

7. On the Range and Inversion of Certain Unsymmetric Operators

8. Impulsive Hamilton-Jacobi Equations for Hybrid Control Systems

9. Numerical Solution of Multi-Time Dynamic Programming Equations

10. Overdetermined Differential Systems in Spaces of (Small) Gevrey Functions

11. Applications of Stochastic Differential Equations to Population Growth

12. Nonlocal Evolution Problems

13. Matrix Semigroups and Differential Equations: Ergodism and Asymptotic Behaviour of Solutions with or without Impulses, a Survey (2)

14. Schwarz Algorithms for Nonconforming and Mixed Methods for Second-Order Problems

15. Local Mesh Refinement for Degenerate Two-Phase Incompressible Flow Problems

16. The Existence of Infinitely Many Solutions of a Nonlinear Wave Equation

17. The Approximation of Continuous Periodic Functions by Means of Extrapolation Techniques for the De La Valle’e Poussin Operator

18. Variational Inequalities, Equivalent Optimization Problems and Associated Lagrangean Function

19. Studying the Numerical Properties of Solvers for Systems of Nonlinear Equations

20. Superlinear Convergence of Asynchronous Waveform Relaxation Methods for Nonlinear ODEs

21. A Discretization Scheme and Error Estimate for First-Order Systems and Elliptic Problems

22. Stability Estimates for a Boundary Identification Problem in a Thin Domain

23. Partial Hölder Continuity Results for Solution of non Linear non Variational Elliptic Systems with Limit Controlled Growth

24. Applications of the Lyapunov Direct Method for Stability Investigations of Some Functional Differential Equations

25. On Global Weak Solutions of a Nonlinear Evolution Equation in Noncylindrical Domain J. Ferreira and M.A. Rojas-Medar

26. Lifting Theory and its Application to Quantum Amplifier Processes

27. Tangential Oblique Derivative Problem for Nonlinear Elliptic Discontinuous Operators in the Plane

28. Life Span of Solutions for Non Linear Cauchy Problem

29. Greenhalgh, D.#Györi

30. Approximation of the McKendrick-Von Foester Equation for Population Growth

31. Global Asymptotic Stability of FitzHugh-Nagumo System

32. Oscillation Results for Semilinear Elliptic Equations

33. A Simple Model of the Ocean with Eastern Boundary Slope Current

34. New Algorithm of Curve Fitting for Non Decreasing Time Series Data

35. The Asymptotic Distribution for the Eigenfunctions of the Sturm-Liouville Equation

36. Existence of Group Invariant Solutions of a Certain Semilinear Elliptic Equation

37. Structured Programming Diagram PAD, PDE Solver, and Formation of Planetary System

38. Coefficients of an Asymptotic Expansion of logDet for Elliptic Operators with Parameter

39. Accurate Splatting of Octrees

40. Singular Linear ODEs

41. Fine Regularity for Nonlinear Nonvariational Parabolic Systems Overlapping Multi-Subdomain Asynchronous Fixed Point Methods for Elliptic Boundary Value Problems

42. Overlapping Multi-Subdomain Asynchronous Fixed Point Methods for Elliptic Boundary Value Problems

43. Two-Step Variable Metric Conjugate Gradient Algorithms

44. Nonsmooth Variational Methods and Applications to Discontinuous Boundary Value Problems

45. Mean Value Properties for the Wave Equation

46. A Note on the Solutions of r”(x)r(x) = g(x)r’²(x)

47. Properties of General Elementary Matrices in Mathematical Science

48. Oblique Derivative Problem in Morrey Spaces

49. Applying Probabilistic Neural Networks to the Multifont Recognition Problem

50. A Nested then Coupled Mediterranean Sea Layer-Level Model

51. One Phenomenon for the Wave Equation in R ³

52. Blow Up of the Solutions for Quasilinear Hyperbolic Systems and Application to the Nonlinear Vibrating String Equation

53. Regularity of the First Derivatives of the Solutions of a Class of Linear Elliptic Equations of Second Order with Discontinuous Coefficients

54. Fractal Geometry for Natural-Looking Tree Generation

55. Exact Solutions of the Navier-Stokes Equations

56. Remarks on the N-Body Problem in Celestial Mechanics

57. Toeplitz-Theorem for Set-Valued Sequences in Banach-Spaces

58. Mixed Problem for a Damped Quasilinear Wave Equation

59. Stability of Integral Manifolds of Neutral Functional Differential Equations

60. Numerical Accuracy of Dynamical System Integration

61. Approximations of a General Class of Quantum-Mechanical One-Dimensional Point Interactions by Local Self-Adjoint Interactions

62. An Exponentially-Fitted Finite Difference Method for the Numerical Solution of Differential Equations with Engineering Applications

63. L ^∞ -Estimates for Strong Solutions to Quasilinear Elliptic Equations

64. On Convolutional Decompositions of the Generalized Inverse Gaussian Distributions and the Student t-Distributions

65. The Complete Ducks Not Satisfying S ¹

66. Oscillation Criteria for Linear Differential Equations

67. Connection Between Differential Equations and Differential Geometry

68. Errors in Iteration Points in Oscillatory State for Systems of Algebraic Equations

69. Equicontinuity Domains and Runge Domains

70. Riemann Conditions for Quasi-Abelian Varieties

71. An Approximation of the Functional of a Free Boundary Problem

72. A Mathematical Expression of Vertical Distribution of Annual Ring Widths of Trees Based on Height Growth and Inflow of Solute Carbohydrate from Roots