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Ulam stability of operators / authors, Janusz Brzdęk, Dorian Popa, Ioan Raşa, Bing Xu.

Author/creator Brzdȩk, Janusz
Format Electronic and Book
Publication InfoLondon ; San Diego ; Cambridge, MA ; Kidlington, Oxford : Elsevier : Academic Press, [2018]
Descriptionxiii, 222 pages ; 24 cm.
Supplemental Content Full text available from eBook - Mathematics 2018 [EBCM18]
Subject(s)
Other author/creatorPopa, Dorian.
Other author/creatorRasa, Ioan.
Other author/creatorXu, Bing.
Other author/creatorUlam, Stanislaw M.
Series Mathematical analysis and its applications series
Mathematical analysis and its applications. UNAUTHORIZED
Contents Machine generated contents note: 1. Introduction to Ulam stability theory -- 1. Historical background -- 2. Stability of additive mapping -- 3. Approximate isometries -- 4. Other functional equations and inequalities in several variables -- 5. Stability of functional equations in a single variable -- 6. Iterative stability -- 7. Differential and integral equations -- 8. Superstability and hyperstability -- 9. Composite type equations -- 10. Nonstability -- References -- 2. Operators in normed spaces -- 1. Introduction -- 2. Ulam stability with respect to gauges -- 3. Closed operators -- 4. Some differential operators on bounded intervals -- 5. Stability of the linear differential operator with respect to different norms -- 6. Some classical operators from the approximation theory -- 6.1. Bernstein operators -- 6.2. Szasz-Mirakjan operators -- 6.3. Other classical operators -- 6.4.
Contents Integral operators -- 6.5. Bernstein-Schnabl operators -- References -- 3. Ulam stability of differential operators -- 1. Introduction -- 2. Linear differential equation of the first order -- 3. Linear differential equation of a higher order with constant coefficients -- 4. First-order linear differential operator -- 5. Higher-order linear differential operator -- 6. Partial differential equations -- 7. Laplace operator -- References -- 4. Best constant in Ulam stability -- 1. Introduction -- 2. Best constant for Cauchy, Jensen, and Quadratic functional equations -- 3. Best constant for linear operators -- 3.1. Stancu operators -- 3.2. Kantorovich operators -- 3.3. An extremal property of K(Bn) -- 4. Ulam stability of operators with respect to different norms -- References -- 5. Ulam stability of operators of polynomial form -- 1. Introduction -- 2. Auxiliary results -- 3.
Contents A general stability theorem -- 4. Complementary results for the second-order equations -- 5. Linear difference equation with constant coefficients -- 6. Difference equation with a matrix coefficient -- 7. Linear functional equations with constant coefficients -- 8. Linear differential equations -- 9. Integral equations -- References -- 6. Nonstability theory -- 1. Preliminary information -- 2. Possible definitions of nonstability -- 3. Linear difference equation of the first order -- 4. Linear difference equation of a higher order -- 5. Linear functional equation of the first order -- 6. Linear functional equation of a higher order -- References.
Bibliography noteIncludes bibliographical references and index.
Access restrictionAvailable only to authorized users.
Technical detailsMode of access: World Wide Web
Genre/formElectronic books.
LCCN 2017949259
ISBN9780128098295
ISBN0128098295

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