NOTES ON THE SUPERSTABILITY OF D'ALEMBERT TYPE FUNCTIONAL EQUATIONS

DOI10.4134/BKMS.2009.46.2.235zbMath1167.39012OpenAlexW2124817009MaRDI QIDQ3623430

Peng Cao, Bing Xu

Publication date: 20 April 2009

Published in: Bulletin of the Korean Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4134/bkms.2009.46.2.235

zbMATH Keywords

cosine functionAbelian groupsuperstabilityd'Alembert functional equation

Mathematics Subject Classification ID

Stability, separation, extension, and related topics for functional equations (39B82) Functional equations for functions with more general domains and/or ranges (39B52)