All Stories

  1. Fredholm theory on Krein spaces and its application to pseudospectrum
  2. Demicompact linear operator. Essential pseudospectra and perturbation
  3. Browder S-Resolvent Equation in Quaternionic Setting
  4. Lower Characteristic, Weakly Quasi-compact and Application
  5. О $b$-слабо демикомпактных операторах на банаховых решетках
  6. Generalized Weakly Demicompact and S-Demicompact Linear Relations and Their Spectral Properties
  7. Quaternionic Davis–Wielandt Shell in a Right Quaternionic Hilbert Space
  8. The pseudospectra of linear operator pencils in a Hilbert space
  9. Existence results for nonexpansive multi-valued operators and nonlinear integral inclusions
  10. Correction to: Some results of essential spectra of sum of two bounded linear operators in non-Archimedean Banach space
  11. Equivalence of some properties in the theory of Banach algebras and applications
  12. New existence result under weak topology for fractional differential equations
  13. Fractional-Order SEIRD Model for Global COVID-19 Outbreak
  14. New results on perturbations of p-adic linear operators
  15. Some results of essential spectra of sum of two bounded linear operators in non-Archimedean Banach space
  16. A characterization of S-pseudospectra of linear operators in a Hilbert space
  17. Extended eigenvalues of 2 × 2 block operator matrices
  18. Fredholm linear relation and some results of demicompact for multivalued matrix linear operator
  19. Some properties of extended eigenvalues for operators pair
  20. Some properties of the condition pseudospectrum of multivalued linear operators
  21. Some results of fredholm perturbations of multivalued linear operator in normed spaces
  22. The class of demi KB-operators on Banach lattices
  23. Topological properties of some multiplication operators on L(X)
  24. Generalized lower characteristic involving measures of non-strict singularity
  25. Characterization of the essential approximation S-spectrum and the essential defect S-spectrum in a right quaternionic Hilbert space
  26. A new spectral approach in the matrix algebra: trace pseudospectrum
  27. Uniformly continuous cosine families properties around weak demicompactness concept
  28. On the closedness and self-adjointness of 3 × 3 operator matrices and application to a non-relativistic three-channel potential scattering model
  29. Approximation of the Fixed Point of the Product of Two Operators in Banach Algebras with Applications to Some Functional Equations
  30. Demicompactness perturbation in Banach algebras and some stability results
  31. Fredholm theory for demicompact linear relations
  32. Riesz Projection and Essential S-spectrum in Quaternionic Setting
  33. Demicompactness Properties for Uniformly Continuous Cosine Families
  34. Relative Demicompactness Properties for Exponentially Bounded C 0-Semigroups
  35. Stability of relative essential spectra of the transport operator in $$L^1$$-space by means of measures of noncompactness and relative weak demicompactness
  36. A new decomposition for multivalued 3 × 3 matrices
  37. Generalized Drazin-meromorphic pseudospectrum for a bounded linear operator on a Banach space
  38. On the class of demi Dunford–Pettis operators
  39. Fixed Point Theorems for Weakly Asymptotically Regular Mappings in Banach Spaces with an Application
  40. On existence results in fixed set theory and applications to self-similarity
  41. Demicompactness, selection of linear relation and application to multivalued matrix
  42. Extended eigenvalues of a closed linear operator
  43. Generalized form of fixed-point theorems in generalized Banach algebra relative to the weak topology with an application
  44. L-weakly and M-weakly demicompact operators on Banach lattices
  45. On a characterization of the essential spectra
  46. On the left (right) condition pseudospectrum of linear operators
  47. The index of a linear relation under strictly singular perturbations
  48. Weak demicompactness involving measures of weak noncompactness and invariance of the essential spectrum
  49. New fixed point theorems for countably condensing maps with an application to functional integral inclusions
  50. A Characterization of the Essential Spectra of $$2\times 2$$ Block Matrices of Linear Relations
  51. Essential S-Spectrum for Quaternionic Quasi-Compact Operators on Right Quaternionic Hilbert Spaces
  52. Introduction
  53. Fundamentals
  54. The Stability Theorems of Multivalued Linear Operators
  55. A New Spectral Approach in the Matrix Algebra: C-Determinant Pseudospectrum
  56. Characterization of Essential Spectra Involving Weakly Demicompact Operators on Banach Spaces
  57. Generalized weak demicompactness involving measure of non-strict-singularity
  58. The Local Spectral Theory for Linear Relations Involving SVEP
  59. The -Jeribi essential spectrum
  60. Some decomposition for multivalued matrix pencils linear operator
  61. Analytic Operators in Feki-Jeribi-Sfaxi’s Sense
  62. Perturbation Theory for Linear Operators
  63. Demicompact operators and ellipsoid spectra on quaternionic Hilbert spaces
  64. The condition pseudospectrum of a operator pencil
  65. PseudoS-spectrum in a right quaternionic Hilbert space
  66. Spectral properties for generalized weakly S-demicompact operators
  67. Sequence of Multivalued Linear Operators Converging in the Generalized Sense
  68. The class of order weakly demicompact operators
  69. On relative essential spectra of a 3 x 3 operator matrix involving relative generalized weak demicompactness
  70. On some classes of demicompact linear relation and some results of essential pseudospectra
  71. Existence of Solutions for an Infinite System of Quadratic Integral Equations in the Banach Algebra $$C(I,c_0)$$
  72. Sequence of Linear Operators in Non-Archimedean Banach Spaces
  73. Riesz basis of exponential family for a hyperbolic system
  74. The $$\varepsilon $$ ε -pseudospectra and the essential ...
  75. Properties of Demicompact Operators, Essential Spectra and Some Perturbation Results for Block Operator Matrices with Applications
  76. Non-orthogonal Fusion Frames of an Analytic Operator and Application to a One-Dimensional Wave Control System
  77. The Adjacency Matrix and the Discrete Laplacian Acting on Forms
  78. Spectral Properties Involving Generalized Weakly Demicompact Operators
  79. Spectral properties for $$\gamma $$ γ -diagonally dominant operator matrices...
  80. Fixed-Point Theorems for Multivalued Operator Matrix Under Weak Topology with an Application
  81. The Discrete Laplacian Acting on 2-Forms and Application
  82. A characterization of S-condition pseudospectrum of multivalued linear operators
  83. Essential pseudospectra involving demicompact and pseudodemicompact operators and some perturbation results
  84. Existence of solutions for a system of Chandrasekhar’s equations in Banach algebras underweak topology
  85. Pseudospectra in a non-Archimedean Banach space and essential pseudospectra in Eω
  86. Spectral theory for polynomially demicompact operators
  87. The condition pseudospectrum subset and related results
  88. On a Riesz basis of exponentials related to a family of analytic operators and application
  89. Stability of some essential spectra of closed linear relations on Banach spaces
  90. Fundamentals
  91. Spectra
  92. Introduction
  93. Essential Spectra
  94. Structured Essential Pseudospectra
  95. Conditional Pseudospectra
  96. S-Pseudospectra and Structured S-Pseudospectra
  97. Structured Essential Pseudospectra and Measure of Noncompactness
  98. A Characterization of the Essential Pseudospectra
  99. Perturbation of Unbounded Linear Operators by γ-Relative Boundedness
  100. S-Essential Spectrum and Measure of Non-Strict-Singularity
  101. S-Essential Spectra of Closed Linear Operator on a Banach Space
  102. Demicompactness Results for Strongly Continuous Semigroups, Generators and Resolvents
  103. Denseness, Bases and Frames in Banach Spaces and Applications
  104. Demicompact and k-D-Set-contractive Multivalued Linear Operators
  105. The Essential Pseudo-Spectra of a Sequence of Linear Operators
  106. The essential approximate pseudospectrum and related results
  107. Perturbation of unbounded linear operators by $$\gamma $$ γ -relative boundedness
  108. Global Bifurcation from the Real Leading Eigenvalue of the Transport Operator
  109. A characterization of essential pseudospectra of the multivalued operator matrix
  110. Existence results for a system of nonlinear integral equations in Banach algebras under weak topology
  111. Frobenius–Schur Factorization for Multivalued $${\varvec{2\times 2}}$$ 2 × 2 Matrices Linear Operator
  112. A characterization of the essential approximation pseudospectrum on a Banach space
  113. Existence Results for a Coupled System of Perturbed Functional Differential Inclusions in Banach Algebras
  114. Stability of the essential spectrum of the diagonally and off-diagonally dominant block matrix linear relations
  115. The stability of pseudospectra and essential pseudospectra of linear relations
  116. Fixed point theorems for (p, q)-quasi-contraction mappings in cone metric spaces
  117. New description of the structured essential pseudospectra
  118. On a characterization of the structured Wolf, Schechter and Browder essential pseudospectra
  119. Fixed point theory in WC--Banach algebras
  120. The Weyl essential spectrum of a sequence of linear operators in Banach spaces
  121. Perturbations of Fredholm linear relations in Banach spaces with application to
  122. Essential spectra of some matrix operators involving γ-relatively bounded entries and an application
  123. Some properties of upper triangular $$3\times 3$$ 3 × 3 -block matrices of linear relations
  124. LIMO
  125. On map-centric programming environments
  126. Tunisian revolution and stock market volatility: evidence from FIEGARCH model
  127. A note on the essential pseudospectra and application
  128. Nonlinear Functional Analysis in Banach Spaces and Banach Algebras
  129. Demicompact linear operators, essential spectrum and some perturbation results
  130. A Characterization of the Pseudo-Browder Essential Spectra of Linear Operators and Application to a Transport Equation
  131. Applications in Mathematical Physics and Biology
  132. Applied Mathematics in Tunisia
  133. Essential Spectra of 2 × 2 Block Operator Matrices
  134. Essential Spectra of 3 × 3 Block Operator Matrices
  135. Essential Spectra of Linear Operators
  136. Fredholm Operators and Riesz Theory for Polynomially Compact Operators
  137. Fredholm Theory Related to Some Measures
  138. Fundamentals
  139. Introduction
  140. On the time asymptotic behavior of a transport operator with bounce-back boundary condition
  141. Perturbation Results
  142. Pseudo-Spectra
  143. S-Essential Spectra
  144. Some Fixed Point Theorems for Orbitally-(p, q)-Quasi-contraction Mappings
  145. Spectral Graph Theory
  146. Spectral Theory and Applications of Linear Operators and Block Operator Matrices
  147. Stability of essential approximate point spectrum and essential defect spectrum of linear operator
  148. Time-Asymptotic Description of the Solution for an Abstract Cauchy Problem
  149. The role of the ex ante uncertainty in the pre-listing IPO process: evidence from the Tunisian stock market
  150. Measuring Underwriter Reputation: Evidence from the Tunisian Stock Market
  151. Stability of the S-left and S-right essential spectra of a linear operator
  152. Pseudospectra and Essential Pseudospectra of Multivalued Linear Relations
  153. Spectral Mapping Theorem for Rakocević and Schmoeger Essential Spectra of a Multivalued Linear Operator
  154. Existence of Solutions of a Nonlinear Hammerstein Integral Equation
  155. Fixed point theorem for quasi-contractive mapping in partial cone metric space
  156. Some results on Fredholm and semi-Fredholm perturbations
  157. Time asymptotic description of an abstract Cauchy problem solution and application to transport equation
  158. A characterization of some subsets of S-essential spectra of a multivalued linear operator
  159. Fixed point theorems for block operator matrix and an application to a structured problem under boundary conditions of Rotenberg’s model type
  160. Left–Right Fredholm and Weyl Spectra of the Sum of Two Bounded Operators and Applications
  161. Existence of solutions of a two-dimensional boundary value problem for a system of nonlinear equations arising in growing cell populations
  162. 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
  163. On a Riesz basis of finite-dimensional invariant subspaces and application to Gribov operator in Bargmann space
  164. Nonlinear Alternatives of Leray-Schauder Type in Banach Algebra Involving Four Operators with Application
  165. Measures of noncompactness and essential pseudospectra on Banach space
  166. On the essential spectra of some matrix of linear relations
  167. On a Schauder basis related to the eigenvectors of a family of non-selfadjoint analytic operators and applications
  168. Essential spectra of operator matrices and applications
  169. On a Riesz basis of eigenvectors of a nonself-adjoint analytic operator and applications
  170. Leray–Schauder and Furi–Pera types fixed point theorems for the sum of two weakly sequentially continuous mappings and application to transport equation
  171. Common fixed point of single valued and multivalued mappings
  172. A characterization of the essential pseudospectra on a Banach space
  173. Stability of the S-essential spectra on a Banach space
  174. A note on the spectra of a $3\times 3$ operator matrix and application
  175. On graph measures in banach spaces and description of essential spectra of multidimensional transport equation
  176. Fixed point theorems of block operator matrices on Banach algebras and an application to functional integral equations
  177. Fixed point theory in a new class of banach algebras and application
  178. S-essential spectra and application to an example of transport operators
  179. Measure of weak noncompactness, some new properties in Fredholm theory, characterization of the Schechter essential spectrum and application to transport operators
  180. On a characterization of the essential spectra of the sum and the product of two operators
  181. Time asymptotic behavior of the solution of an abstract Cauchy problem given by a one-velocity transport operator with Maxwell boundary condition
  182. Riesz Basis Property of Families of Nonharmonic Exponentials and Application to a Problem of a Radiation of a Vibrating Structure in a Light Fluid
  183. 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
  184. Gustafson, weidman, kato, wolf, schechter, browder, Rakočević and Schmoeger essential spectra of the sum of two bounded operators and application to a transport operator
  185. Gustafson, weidmann, kato, wolf, schechter and browder essential spectra of some matrix operator and application to two-group transport equation
  186. New fixed point theorems in Banach algebras under weak topology features and applications to nonlinear integral equations
  187. On some subsets of Schechter's essential spectrum of a matrix operator and application to transport operator
  188. Essential Spectra of a 3 × 3 Operator Matrix and an Application to Three-Group Transport Equations
  189. Symmetric family of Fredholm operators of indices zero, stability of essential spectra and application to transport operators
  190. Time asymptotic description of the solution to an abstract Cauchy problem and application to transport equation
  191. Expansion of Solution in Terms of Generalized Eigenvectors for a Rectilinear Transport Equation
  192. A characterization of some subsets of Schechter's essential spectrum and application to singular transport equation
  193. Essential Spectra, Matrix Operator and Applications
  194. Wear simulation through cellular automata method
  195. Spectra of some block operator matrices and application to transport operators
  196. Some Applications of the Regularity and Irreducibility on Transport Theory
  197. On a characterization of the essential spectra of some matrix operators and application to two-group transport operators
  198. Some Fixed Point Theorems and Application to Biological Model
  199. Some New Properties in Fredholm Theory, Schechter Essential Spectrum, and Application to Transport Theory
  200. Time Asymptotic Behaviour for a One-Velocity Transport Operator with Maxwell Boundary Condition
  201. Essential spectra of some matrix operators and application to two-group transport operators with general boundary conditions
  202. 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
  203. Spectral Analysis of a Transport Operator Arising in Growing Cell Populations
  204. Fredholm Operators and Riesz Theory for Polynomially Compact Operators
  205. Fredholm Operators, Essential Spectra and Application to Transport Equations
  206. The Asymptotic Behavior of the Solution to a Cauchy Problem Governed by a Transport Operator
  207. On a generalization of the Schauder and Krasnosel'skii fixed points theorems on Dunford-Pettis spaces and applications
  208. 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
  209. On a transport operator arising in growing cell populations II. Cauchy problem
  210. Time asymptotic behaviour for unbounded linear operator arising in growing cell populations
  211. Some remarks on the Schechter essential spectrum and applications to transport equations
  212. A characterization of the Schechter essential spectrum on Banach spaces and applications
  213. A nonlinear problem arising in the theory of growing cell populations
  214. Une nouvelle caractérisation du spectre essentiel et application
  215. Un problème non linéaire intervenant en dynamique des populations
  216. A nonlinear boundary value problem arising in growing cell populations
  217. On an Unconditional Basis of Generalized Eigenvectors of the Nonself-adjoint Gribov Operator in Bargmann Space
  218. Some Results on Fredholm Operators, Essential Spectra, and Application
  219. Quelques remarques sur le spectre de Weyl et applications
  220. Sur une équation de transport intervenant en dynamique des populations
  221. Quelques remarques sur les opérateurs de Fredholm et application à l'équation de transport
  222. On the essential spectrum of transport operators on L1‐spaces