On the Hyers-Ulam stability of quadratic functional equations.
Chang, Ick-Soon, Kim, Hark-Mahn (2002)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Similarity:
Chang, Ick-Soon, Kim, Hark-Mahn (2002)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Similarity:
Kim, Gwang Hui (2001)
International Journal of Mathematics and Mathematical Sciences
Similarity:
Najati, Abbas, Park, Choonkil (2009)
Journal of Inequalities and Applications [electronic only]
Similarity:
Lee, Jung Rye, An, Jong Su, Park, Choonkil (2008)
Abstract and Applied Analysis
Similarity:
Rahimi, A., Najati, A., Bae, J.-H. (2010)
Journal of Inequalities and Applications [electronic only]
Similarity:
Kaiser, Zoltán, Páles, Zsolt (2005)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Similarity:
Park, Choonkil, Kim, Ji-Hye (2009)
Abstract and Applied Analysis
Similarity:
Park, Choonkil (2008)
Fixed Point Theory and Applications [electronic only]
Similarity:
Najati, Abbas, Jung, Soon-Mo (2010)
Journal of Inequalities and Applications [electronic only]
Similarity:
Moghimi, Mohammad B., Najati, Abbas, Park, Choonkil (2009)
Advances in Difference Equations [electronic only]
Similarity:
John Michael Rassias (2004)
Archivum Mathematicum
Similarity:
In 1940 S. M. Ulam (Intersci. Publ., Inc., New York 1960) imposed at the University of Wisconsin the problem: “Give conditions in order for a linear mapping near an approximately linear mapping to exist”. According to P. M. Gruber (Trans. Amer. Math. Soc. 245 (1978), 263–277) the afore-mentioned problem of S. M. Ulam belongs to the following general problem or Ulam type problem: “Suppose a mathematical object satisfies a certain property approximately. Is it then possible to approximate...