Ulam Stability of Operators. Mathematical Analysis and its Applications

  • ID: 4335138
  • Book
  • 236 Pages
  • Elsevier Science and Technology
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Ulam Stability of Operators presents a modern, unified, and systematic approach to the field. Focusing on the stability of functional equations across single variable, difference equations, differential equations, and integral equations, the book collects, compares, unifies, complements, generalizes, and updates key results. Whenever suitable, open problems are stated in corresponding areas. The book is of interest to researchers in operator theory, difference and functional equations and inequalities, differential and integral equations.

  • Allows readers to establish expert knowledge without extensive study of other books
  • Presents complex math in simple and clear language
  • Compares, generalizes and complements key findings
  • Provides numerous open problems

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1. Introduction to Ulam stability theory

2. Operators in normed spaces

3. Ulam stability of differential operators

4. Best constant in Ulam stability

5. Ulam stability of operators of polynomial form

6. Non-stability theory

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Brzdek, Janusz
Janusz Brzdek has published numerous papers on Ulam's type stability (e.g., of functional, difference, differential and integral equations), its applications and connections to other areas of mathematics. He has been editor of several books and special volumes focused on such subjects. He was the chairman of the organizing and/or scientific committees of several conferences on Ulam's type stability and on functional equations and inequalities.
Popa, Dorian
Dorian Popa is the author of numerous papers on Ulam's type stability of functional equations, differential equations, linear differential operators, and positive linear operators in approximation theory. Other papers deal with the connections of Ulam's type stability with some topics of multivalued analysis (e.g., the existence of a selection of a multivalued operator satisfying a functional inclusion associated to a functional equation).
Rasa, Ioan
Ioan Rasa has published papers on Ulam's type stability of differential operators and several types of positive linear operators arising in approximation theory. He is author/co-author of many papers connecting Ulam's stability with other areas of mathematics (functional analysis, approximation theory, differential equations). Rasa is co-author (with. F. Altomare et al.) of the book Markov Operators, Positive Semigroups and Approximation Processes, de Gruyter, 2014.
Xu, Bing
Bing Xu has published many papers on Ulam's type stability (e.g., of functional, difference, differential and integral equations), its applications and connections to iterative equations and multivalued analysis. Xu is co-author (with W. Zhang et al.) of the book Ordinary Differential Equations, Higher Education Press, 2014.
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