## Found 186 Documents (Results 1–100)

100
MathJax

MSC:  39B52
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### Analogs of the Lebesgue measure and diffusion in a Hilbert space. (English)Zbl 1480.46058

MSC:  46G12 28C20 47A58
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MSC:  39-XX
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### A variant of d’Alembert’s matrix functional equation. (English)Zbl 1467.39017

MSC:  39B42 39B52
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### Generalized Hyers-Ulam stability of the additive functional equation. (English)Zbl 1432.39024

MSC:  39B82 39B52
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### Random walks and measures on Hilbert space that are invariant with respect to shifts and rotations. (English. Russian original)Zbl 1426.28027

J. Math. Sci., New York 241, No. 4, 469-500 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 140, 88-118 (2017).
MSC:  28C20 47D08 82C41
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MSC:  39B82 39B52
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MSC:  39B52
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### Stability of a Cauchy-Jensen additive mapping in various normed spaces. (English)Zbl 1409.39017

Rassias, Themistocles M. (ed.), Applications of nonlinear analysis. Cham: Springer. Springer Optim. Appl. 134, 447-482 (2018).
MSC:  39B82 47H10
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### On a modification of some conditional Cauchy equation. (English)Zbl 1390.39065

MSC:  39B12 39B52
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MSC:  39B55
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### Averaging of random walks and shift-invariant measures on a Hilbert space. (English. Russian original)Zbl 1376.81023

Theor. Math. Phys. 191, No. 3, 886-909 (2017); translation from Teor. Mat. Fiz. 191, No. 3, 473-502 (2017).
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### Well-posedness of the Cauchy problem for multidimensional difference equations in rational cones. (English. Russian original)Zbl 1369.39008

Sib. Math. J. 58, No. 2, 363-372 (2017); translation from Sib. Mat. Zh. 58, No. 2, 468-480 (2017).
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### Stability of the Cauchy additive functional equation on tangle space and applications. (English)Zbl 1356.39005

MSC:  39B82 39B52 92C45
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### On Hyers-Ulam stability of two functional equations in non-Archimedean spaces. (English)Zbl 1344.39013

MSC:  39B82 39B52 46S10
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### Generalized Pexider difference equations. (English)Zbl 1348.39010

MSC:  39B22 39A10
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### Optimal additive Schwarz methods for the $$hp$$-BEM: the hypersingular integral operator in 3D on locally refined meshes. (English)Zbl 1443.65403

MSC:  65N38 65N55 45E05
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### Stability of the generalized version of Cauchy type equation from functional operator viewpoint. (English)Zbl 1334.39060

MSC:  39B82 39B52

### Stability problems deriving from mixed additive and quadratic functional equations. (English)Zbl 1321.39032

MSC:  39B82 39B55

### On the stability of multi-additive mappings in non-Archimedean normed spaces. (English)Zbl 1321.39036

MSC:  39B82 39B52 46S10

### Fuzzy stability of functional equations in matrix fuzzy normed spaces. (English)Zbl 1408.39028

MSC:  39B82 26E50 46S40

### A general uniqueness theorem concerning the stability of monomial functional equations in fuzzy spaces. (English)Zbl 1311.39048

MSC:  39B82 39B52 46S40
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### A general uniqueness theorem concerning the stability of additive and quadratic functional equations. (English)Zbl 1309.39018

MSC:  39B82 39B52 39B55
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### Note on stability of the Cauchy equation - an answer to a problem of Th. M. Rassias. (English)Zbl 1389.39047

MSC:  39B82 39B62

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### Stability of functional equations in matrix random normed spaces: a fixed point approach. (English)Zbl 1306.39021

MSC:  39B82 39B52 46S50
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### Linear difference equations with variable coefficients. (English)Zbl 1297.39003

Dokl. Math. 89, No. 1, 103-105 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 454, No. 5, 523-525 (2014).
MSC:  39A06
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### Stability of a conditional Cauchy equation on a set of measure zero. (English)Zbl 1297.39027

MSC:  39B82 39B52
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### On a functional equation related to competition. (English)Zbl 1297.39021

MSC:  39B22 39B12
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### Approximate homomorphisms and derivations on normed Lie triple systems. (English)Zbl 1293.39017

MSC:  39B82 39B52 46L57
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### Approximate $$(m,n)$$-Cauchy-Jensen mappings in quasi-$$\beta$$-normed spaces. (English)Zbl 1297.39035

MSC:  39B82 39B52

### Hyperstability of the Cauchy equation on restricted domains. (English)Zbl 1313.39037

MSC:  39B82 39B52
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### Stability of additivity and fixed point methods. (English)Zbl 1297.39026

MSC:  39B82 39B55
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### Generalized Ulam-Hyers-Rassias stability of a Cauchy type functional equation. (English)Zbl 1292.39019

MSC:  39B82 39B52
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### Stability of Cauchy additive functional equation in fuzzy Banach spaces. (English)Zbl 1292.39014

MSC:  39B52 46S40
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### Fuzzy stability of an $$n$$-dimensional quadratic and additive type functional equation. (English)Zbl 1290.39019

MSC:  39B82 46S40 39B52
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### Stability of $$n$$-Lie homomorphisms and Jordan $$n$$-Lie homomorphisms on $$n$$-Lie algebras. (English)Zbl 1366.39020

MSC:  39B82 17A42
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### On a problem of Schwaiger in random normed spaces. (English)Zbl 1410.54036

MSC:  54E70 39B52
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### Domain decomposition scheme for first-order evolution equations with nonselfadjoint operators. (English)Zbl 1275.65032

Iliev, Oleg P. (ed.) et al., Numerical solution of partial differential equations: Theory, algorithms, and their applications. Papers based on the international symposium, Sozopol, Bulgaria, June 7–8, 2013. In Honor of Professor Raytcho Lazarov’s 40 years of research in computational methods and applied mathematics and on the occasion of his 70th birthday. New York, NY: Springer (ISBN 978-1-4614-7171-4/hbk; 978-1-4614-7172-1/ebook). Springer Proceedings in Mathematics & Statistics 45, 279-302 (2013).
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### A fixed point technique for investigating the stability of $$(\alpha, \beta, \gamma)$$-derivations on Lie $$C^\ast$$-algebras. (English)Zbl 1261.39032

MSC:  39B82 39B52 46L57
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### Approximation of a Cauchy-Jensen additive functional equation in non-Archimedean normed spaces. (English)Zbl 1289.39056

MSC:  39B82 39B52 46S10
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### Existence and uniqueness of solutions of a conjugate fractional boundary value problem. (English)Zbl 1281.39004

Reviewer: Fei Xue (Hartford)

### The Carleman kernel and its applications. (English. Russian original)Zbl 1279.45003

Sib. Math. J. 53, No. 6, 1011-1020 (2012); translation from Sib. Mat. Zh. 53, No. 6, 1263-1273 (2012).
MSC:  45E05 39A10 44A60
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### Probabilistic (quasi)metric versions for a stability result of Baker. (English)Zbl 1259.39022

MSC:  39B82 39B52 46S50
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### On the stability of an additive functional inequality. (English)Zbl 1262.39040

MSC:  39B82 39B52 39B62
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### Subadditive set-functions on semigroups, applications to group representations and functional equations. (English)Zbl 1259.39018

MSC:  39B52 28A99 22A25
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### Approximate $$C^{\ast}$$-algebra homomorphisms associated to an Apollonius-Jensen type additive mapping: a fixed point approach. (English)Zbl 1315.39019

Pardalos, Panos M. (ed.) et al., Nonlinear analysis. Stability, approximation, and inequalities. In honor of Themistocles M. Rassias on the occasion of his 60th birthday. New York, NY: Springer (ISBN 978-1-4614-3497-9/hbk; 978-1-4614-3498-6/ebook). Springer Optimization and Its Applications 68, 457-470 (2012).
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### Fuzzy stability of the Cauchy additive and quadratic type functional equation. (English)Zbl 1251.39024

MSC:  39B82 39B52 46S40
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MSC:  39B22
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### On some Pexider-type functional equations connected with the absolute value of additive functions. I. (English)Zbl 1247.39021

MSC:  39B22 39B52
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### A general fixed point method for the stability of Cauchy functional equation. (English)Zbl 1252.39031

Rassias, Themistocles M. (ed.) et al., Functional equations in mathematical analysis. Dedicated to the memory of Stanisław Marcin Ulam on the occasion of the 100th anniversary of his birth. Berlin: Springer (ISBN 978-1-4614-0054-7/hbk; 978-1-4614-0055-4/ebook). Springer Optimization and Its Applications 52, 19-32 (2011).
MSC:  39B82 39B62 39B72
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### Random stability of generalized Cauchy-Jensen additive functional equation: a fixed point approach. (English)Zbl 1246.39028

MSC:  39B82 39B52 46S50
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### Jensen’s functional equation on the symmetric group $$S_n$$. (English)Zbl 1238.39009

MSC:  39B52 39B42 20B30
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MSC:  39B82

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### Existence of positive solutions of higher order quasi-linear difference equations with variable delay. (Chinese. English summary)Zbl 1240.39029

MSC:  39A22 39A10

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### Stability of the pexiderized Cauchy and Jensen’s equations on restricted domains. (English)Zbl 1189.39030

MSC:  39B82 39B52
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### Fixed points and generalized stability for $$\psi$$-additive mappings of Isac-Rassias type. (English)Zbl 1186.39033

Pardalos, Panos M. (ed.) et al., Nonlinear analysis and variational problems. In Honor of George Isac. Berlin: Springer (ISBN 978-1-4419-0157-6/hbk; 978-1-4419-0158-3/ebook). Springer Optimization and Its Applications 35, 23-36 (2010).
MSC:  39B82 39B52 47H10
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### Homomorphisms in quasi-Banach algebras associated with a pexiderized Cauchy-Jensen functional equation. (English)Zbl 1183.39022

MSC:  39B82 46B03 39B52
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### Stability of a generalized Euler-Lagrange type additive mapping and homomorphisms in $$C^{\ast}$$-algebras. (English)Zbl 1177.39038

MSC:  39B82 39B52 46L05
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### Functional equations related to inner product spaces. (English)Zbl 1177.39041

MSC:  39B82 39B52
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### Stability of almost multiplicative functionals. (English)Zbl 1175.39024

MSC:  39B82 39B52 46H35
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### The stability of functional inequalities with additive mappings. (English)Zbl 1175.39016

MSC:  39B82 39B55
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### Generalized Hyers-Ulam-Rassias stability of functional inequalities and functional equations. (English)Zbl 1165.39023

MSC:  39B82 39B52 39B62
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MSC:  39B52
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### Stability of the Cauchy functional equation in metric groupoids. (English)Zbl 1160.39010

MSC:  39B82 39B52 20L05
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MSC:  39B82
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### On the equation of the $$\rho$$-orthogonal additivity. (English)Zbl 1178.39037

MSC:  39B55 39B52

### Multiple Laurent series and fundamental solutions of linear difference equations. (Russian, English)Zbl 1164.39302

Sib. Mat. Zh. 48, No. 2, 335-340 (2007); translation in Sib. Math. J. 48, No. 2, 268-272 (2007).
MSC:  39A10
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### Isometric additive mappings in quasi-Banach spaces. (English)Zbl 1149.39026

MSC:  39B82 46B04 39B52

### Stability of functional inequalities with Cauchy-Jensen additive mappings. (English)Zbl 1149.39020

MSC:  39B82 39B72 39B52
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