All Stories

  1. On the closedness and self-adjointness of 3 × 3 operator matrices and application to a non-relativistic three-channel potential scattering model
  2. Approximation of the Fixed Point of the Product of Two Operators in Banach Algebras with Applications to Some Functional Equations
  3. Introduction
  4. Fundamentals
  5. The Stability Theorems of Multivalued Linear Operators
  6. A New Spectral Approach in the Matrix Algebra: C-Determinant Pseudospectrum
  7. Generalized weak demicompactness involving measure of non-strict-singularity
  8. The Local Spectral Theory for Linear Relations Involving SVEP
  9. The -Jeribi essential spectrum
  10. Some decomposition for multivalued matrix pencils linear operator
  11. Analytic Operators in Feki-Jeribi-Sfaxi’s Sense
  12. Perturbation Theory for Linear Operators
  13. Demicompact operators and ellipsoid spectra on quaternionic Hilbert spaces
  14. The condition pseudospectrum of a operator pencil
  15. PseudoS-spectrum in a right quaternionic Hilbert space
  16. Spectral properties for generalized weakly S-demicompact operators
  17. Sequence of Multivalued Linear Operators Converging in the Generalized Sense
  18. The class of order weakly demicompact operators
  19. On some classes of demicompact linear relation and some results of essential pseudospectra
  20. Existence of Solutions for an Infinite System of Quadratic Integral Equations in the Banach Algebra $$C(I,c_0)$$
  21. Sequence of Linear Operators in Non-Archimedean Banach Spaces
  22. Riesz basis of exponential family for a hyperbolic system
  23. The $$\varepsilon $$ ε -pseudospectra and the essential ...
  24. Properties of Demicompact Operators, Essential Spectra and Some Perturbation Results for Block Operator Matrices with Applications
  25. Non-orthogonal Fusion Frames of an Analytic Operator and Application to a One-Dimensional Wave Control System
  26. The Adjacency Matrix and the Discrete Laplacian Acting on Forms
  27. Spectral Properties Involving Generalized Weakly Demicompact Operators
  28. Spectral properties for $$\gamma $$ γ -diagonally dominant operator matrices...
  29. Fixed-Point Theorems for Multivalued Operator Matrix Under Weak Topology with an Application
  30. The Discrete Laplacian Acting on 2-Forms and Application
  31. A characterization of S-condition pseudospectrum of multivalued linear operators
  32. Essential pseudospectra involving demicompact and pseudodemicompact operators and some perturbation results
  33. Existence of solutions for a system of Chandrasekhar’s equations in Banach algebras underweak topology
  34. Pseudospectra in a non-Archimedean Banach space and essential pseudospectra in Eω
  35. Spectral theory for polynomially demicompact operators
  36. The condition pseudospectrum subset and related results
  37. On a Riesz basis of exponentials related to a family of analytic operators and application
  38. Stability of some essential spectra of closed linear relations on Banach spaces
  39. Fundamentals
  40. Spectra
  41. Introduction
  42. Essential Spectra
  43. Structured Essential Pseudospectra
  44. Conditional Pseudospectra
  45. S-Pseudospectra and Structured S-Pseudospectra
  46. Structured Essential Pseudospectra and Measure of Noncompactness
  47. A Characterization of the Essential Pseudospectra
  48. Perturbation of Unbounded Linear Operators by γ-Relative Boundedness
  49. S-Essential Spectrum and Measure of Non-Strict-Singularity
  50. S-Essential Spectra of Closed Linear Operator on a Banach Space
  51. Demicompactness Results for Strongly Continuous Semigroups, Generators and Resolvents
  52. Denseness, Bases and Frames in Banach Spaces and Applications
  53. Demicompact and k-D-Set-contractive Multivalued Linear Operators
  54. The Essential Pseudo-Spectra of a Sequence of Linear Operators
  55. The essential approximate pseudospectrum and related results
  56. Perturbation of unbounded linear operators by $$\gamma $$ γ -relative boundedness
  57. Global Bifurcation from the Real Leading Eigenvalue of the Transport Operator
  58. A characterization of essential pseudospectra of the multivalued operator matrix
  59. Existence results for a system of nonlinear integral equations in Banach algebras under weak topology
  60. Frobenius–Schur Factorization for Multivalued $${\varvec{2\times 2}}$$ 2 × 2 Matrices Linear Operator
  61. A characterization of the essential approximation pseudospectrum on a Banach space
  62. Existence Results for a Coupled System of Perturbed Functional Differential Inclusions in Banach Algebras
  63. Stability of the essential spectrum of the diagonally and off-diagonally dominant block matrix linear relations
  64. The stability of pseudospectra and essential pseudospectra of linear relations
  65. Fixed point theorems for (p, q)-quasi-contraction mappings in cone metric spaces
  66. New description of the structured essential pseudospectra
  67. On a characterization of the structured Wolf, Schechter and Browder essential pseudospectra
  68. Fixed point theory in WC--Banach algebras
  69. The Weyl essential spectrum of a sequence of linear operators in Banach spaces
  70. Perturbations of Fredholm linear relations in Banach spaces with application to
  71. Essential spectra of some matrix operators involving γ-relatively bounded entries and an application
  72. Tunisian revolution and stock market volatility: evidence from FIEGARCH model
  73. A note on the essential pseudospectra and application
  74. Nonlinear Functional Analysis in Banach Spaces and Banach Algebras
  75. Demicompact linear operators, essential spectrum and some perturbation results
  76. A Characterization of the Pseudo-Browder Essential Spectra of Linear Operators and Application to a Transport Equation
  77. Applications in Mathematical Physics and Biology
  78. Applied Mathematics in Tunisia
  79. Essential Spectra of 2 × 2 Block Operator Matrices
  80. Essential Spectra of 3 × 3 Block Operator Matrices
  81. Essential Spectra of Linear Operators
  82. Fredholm Operators and Riesz Theory for Polynomially Compact Operators
  83. Fredholm Theory Related to Some Measures
  84. Fundamentals
  85. Introduction
  86. On the time asymptotic behavior of a transport operator with bounce-back boundary condition
  87. Perturbation Results
  88. Pseudo-Spectra
  89. S-Essential Spectra
  90. Some Fixed Point Theorems for Orbitally-(p, q)-Quasi-contraction Mappings
  91. Spectral Graph Theory
  92. Spectral Theory and Applications of Linear Operators and Block Operator Matrices
  93. Stability of essential approximate point spectrum and essential defect spectrum of linear operator
  94. Time-Asymptotic Description of the Solution for an Abstract Cauchy Problem
  95. The role of the ex ante uncertainty in the pre-listing IPO process: evidence from the Tunisian stock market
  96. Measuring Underwriter Reputation: Evidence from the Tunisian Stock Market
  97. Stability of the S-left and S-right essential spectra of a linear operator
  98. Pseudospectra and Essential Pseudospectra of Multivalued Linear Relations
  99. Spectral Mapping Theorem for Rakocević and Schmoeger Essential Spectra of a Multivalued Linear Operator
  100. Existence of Solutions of a Nonlinear Hammerstein Integral Equation
  101. Fixed point theorem for quasi-contractive mapping in partial cone metric space
  102. Time asymptotic description of an abstract Cauchy problem solution and application to transport equation
  103. A characterization of some subsets of S-essential spectra of a multivalued linear operator
  104. Fixed point theorems for block operator matrix and an application to a structured problem under boundary conditions of Rotenberg’s model type
  105. Left–Right Fredholm and Weyl Spectra of the Sum of Two Bounded Operators and Applications
  106. Existence of solutions of a two-dimensional boundary value problem for a system of nonlinear equations arising in growing cell populations
  107. On a Riesz basis of exponentials related to the eigenvalues of an analytic operator and application to a non-selfadjoint problem deduced from a perturbation method for sound radiation
  108. On a Riesz basis of finite-dimensional invariant subspaces and application to Gribov operator in Bargmann space
  109. Nonlinear Alternatives of Leray-Schauder Type in Banach Algebra Involving Four Operators with Application
  110. Measures of noncompactness and essential pseudospectra on Banach space
  111. On the essential spectra of some matrix of linear relations
  112. On a Schauder basis related to the eigenvectors of a family of non-selfadjoint analytic operators and applications
  113. Essential spectra of operator matrices and applications
  114. On a Riesz basis of eigenvectors of a nonself-adjoint analytic operator and applications
  115. Leray–Schauder and Furi–Pera types fixed point theorems for the sum of two weakly sequentially continuous mappings and application to transport equation
  116. Common fixed point of single valued and multivalued mappings
  117. A characterization of the essential pseudospectra on a Banach space
  118. Stability of the S-essential spectra on a Banach space
  119. On graph measures in banach spaces and description of essential spectra of multidimensional transport equation
  120. Fixed point theorems of block operator matrices on Banach algebras and an application to functional integral equations
  121. Fixed point theory in a new class of banach algebras and application
  122. S-essential spectra and application to an example of transport operators
  123. Measure of weak noncompactness, some new properties in Fredholm theory, characterization of the Schechter essential spectrum and application to transport operators
  124. On a characterization of the essential spectra of the sum and the product of two operators
  125. Time asymptotic behavior of the solution of an abstract Cauchy problem given by a one-velocity transport operator with Maxwell boundary condition
  126. Riesz Basis Property of Families of Nonharmonic Exponentials and Application to a Problem of a Radiation of a Vibrating Structure in a Light Fluid
  127. On an unconditional basis of generalized eigenvectors of an analytic operator and application to a problem of radiation of a vibrating structure in a light fluid
  128. Gustafson, weidman, kato, wolf, schechter, browder, Rakočević and Schmoeger essential spectra of the sum of two bounded operators and application to a transport operator
  129. Gustafson, weidmann, kato, wolf, schechter and browder essential spectra of some matrix operator and application to two-group transport equation
  130. New fixed point theorems in Banach algebras under weak topology features and applications to nonlinear integral equations
  131. On some subsets of Schechter's essential spectrum of a matrix operator and application to transport operator
  132. Essential Spectra of a 3 × 3 Operator Matrix and an Application to Three-Group Transport Equations
  133. Symmetric family of Fredholm operators of indices zero, stability of essential spectra and application to transport operators
  134. Time asymptotic description of the solution to an abstract Cauchy problem and application to transport equation
  135. Expansion of Solution in Terms of Generalized Eigenvectors for a Rectilinear Transport Equation
  136. A characterization of some subsets of Schechter's essential spectrum and application to singular transport equation
  137. Essential Spectra, Matrix Operator and Applications
  138. Wear simulation through cellular automata method
  139. Spectra of some block operator matrices and application to transport operators
  140. Some Applications of the Regularity and Irreducibility on Transport Theory
  141. On a characterization of the essential spectra of some matrix operators and application to two-group transport operators
  142. Some Fixed Point Theorems and Application to Biological Model
  143. Some New Properties in Fredholm Theory, Schechter Essential Spectrum, and Application to Transport Theory
  144. Time Asymptotic Behaviour for a One-Velocity Transport Operator with Maxwell Boundary Condition
  145. Essential spectra of some matrix operators and application to two-group transport operators with general boundary conditions
  146. On the Riesz basis of a family of analytic operators in the sense of Kato and application to the problem of radiation of a vibrating structure in a light fluid
  147. Spectral Analysis of a Transport Operator Arising in Growing Cell Populations
  148. Fredholm Operators and Riesz Theory for Polynomially Compact Operators
  149. Fredholm Operators, Essential Spectra and Application to Transport Equations
  150. The Asymptotic Behavior of the Solution to a Cauchy Problem Governed by a Transport Operator
  151. On a generalization of the Schauder and Krasnosel'skii fixed points theorems on Dunford-Pettis spaces and applications
  152. On an Riesz basis of generalized eigenvectors of the nonselfadjoint problem deduced from a perturbation method for sound radiation by a vibrating plate in a light fluid
  153. On a transport operator arising in growing cell populations II. Cauchy problem
  154. Time asymptotic behaviour for unbounded linear operator arising in growing cell populations
  155. Some remarks on the Schechter essential spectrum and applications to transport equations
  156. A characterization of the Schechter essential spectrum on Banach spaces and applications
  157. A nonlinear problem arising in the theory of growing cell populations
  158. A nonlinear boundary value problem arising in growing cell populations
  159. On an Unconditional Basis of Generalized Eigenvectors of the Nonself-adjoint Gribov Operator in Bargmann Space
  160. Some Results on Fredholm Operators, Essential Spectra, and Application
  161. On the essential spectrum of transport operators on L1‐spaces