A note on stability of Fischer-Muszély functional equation

Verfasser / Beitragende:
[Yunbai Dong, Qingjin Cheng]
Ort, Verlag, Jahr:
2015
Enthalten in:
Aequationes mathematicae, 89/3(2015-06-01), 605-612
Format:
Artikel (online)
ID: 605508445
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024 7 0 |a 10.1007/s00010-013-0245-3  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00010-013-0245-3 
245 0 2 |a A note on stability of Fischer-Muszély functional equation  |h [Elektronische Daten]  |c [Yunbai Dong, Qingjin Cheng] 
520 3 |a Recently, Dong (Aequ Math 86:269-277, 2013) has proved the generalized stability of the functional equation $${\|f(x + y)\| = \|f(x) + f(y)\|}$$ ‖ f ( x + y ) ‖ = ‖ f ( x ) + f ( y ) ‖ under the assumption that X, the domain of f, is an Abelian group. In this paper, we prove a generalization of this result by removing the commutativity assumption of X. 
540 |a Springer Basel, 2014 
690 7 |a Hyers-Ulam stability  |2 nationallicence 
690 7 |a functional equations  |2 nationallicence 
690 7 |a Banach spaces  |2 nationallicence 
700 1 |a Dong  |D Yunbai  |u School of Mathematics and Computer, Wuhan Textile University, 430073, Wuhan, China  |4 aut 
700 1 |a Cheng  |D Qingjin  |u School of Mathematical Sciences, Xiamen University, 361005, Xiamen, China  |4 aut 
773 0 |t Aequationes mathematicae  |d Springer Basel  |g 89/3(2015-06-01), 605-612  |x 0001-9054  |q 89:3<605  |1 2015  |2 89  |o 10 
856 4 0 |u https://doi.org/10.1007/s00010-013-0245-3  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00010-013-0245-3  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Dong  |D Yunbai  |u School of Mathematics and Computer, Wuhan Textile University, 430073, Wuhan, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Cheng  |D Qingjin  |u School of Mathematical Sciences, Xiamen University, 361005, Xiamen, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Aequationes mathematicae  |d Springer Basel  |g 89/3(2015-06-01), 605-612  |x 0001-9054  |q 89:3<605  |1 2015  |2 89  |o 10