Functional Equations - Results and Advances (ADVANCES IN MATHEMATICS Volume 3) (Advances in Mathematics)
Contributors: Zoltan Daroczy (Editor); Zsolt Z. Pales (Editor)
Edition: 1 edition
Publisher: Springer
Published: February 15, 2002
Language: eng
Format: Hardcover
Number of pages: 376
ISBN-13: 9781402004858
Subjects: Functional Analysis; Science/Mathematics; Differential Equations; Mathematics; Calculus; Functional equations; Mathematics / Calculus; Mathematics / Differential Equations; Probability & Statistics - General
First sentence: The Hyers-Ulam stability of the basic trigonometric functional equations f(x + y) + f(x - y) = 2f(x)f(y) (A) of d'Alembert, and f(x + y)f(x - y) = f(x)2 - f(y)2 (W) of Wilson, were established by J. A. Baker [1] and P. W. Cholewa [2], respectively.