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- M. Eshaghi Gordji, M. B. Ghaemi, H. Majani, C. Park
- 2010

We establish a generalized Ulam-Hyers stability theorem in a Šerstnev probabilistic normed space briefly, Šerstnev PN-space endowed with ΠM. In particular, we introduce the notion of approximate Jensen mapping in PN-spaces and prove that if an approximate Jensen mapping in a Šerstnev PN-space is continuous at a point then we can approximate it by an… (More)

- M. Eshaghi Gordji, M. B. Ghaemi, H. Majani, Yong Zhou
- 2010

- Khadijeh Baghaei, Mohammad Bagher Ghaemi, Mahmoud Hesaaraki
- Appl. Math. Lett.
- 2014

- Mohammad Bagher Ghaemi, Hamid Majani, Majid Eshaghi Gordji, M. E. GORDJI
- 2012

We prove the stability for the systems of quadratic-cubic and additive-quadratic-cubic functional equations with constant coefficients on the probabilistic normed spaces (briefly PN spaces).

- M. Eshaghi Gordji, Mohammad Bagher Ghaemi, Gwang Hui Kim, Badrkhan Alizadeh
- J. Applied Mathematics
- 2011

Let A be an algebra, and let θ, φ be ring automorphisms of A. An additive mapping H : A → A is called a θ, φ -derivation if H xy H x θ y φ x H y for all x, y ∈ A. Moreover, an additive mapping F : A → A is said to be a generalized θ, φ -derivation if there exists a θ, φ derivation H : A → A such that F xy F x θ y φ x H y for all x, y ∈ A. In this paper, we… (More)

- H R Dowson, M B Ghaemi, P G Spain
- 2003

We show that, given a weak compactness condition which is always satisfied when the underlying space does not contain an isomorphic copy of c0, all the operators in the weakly closed algebra generated by the real and imaginary parts of a family of commuting scalar-type spectral operators on a Banach space will again be scalar-type spectral operators,… (More)

* Correspondence: baak@hanyang. ac.kr Department of Mathematics, Research Institute for Natural Sciences, Hanyang University, Seoul 133-791, South Korea Full list of author information is available at the end of the article Abstract In this article, we prove the Hyers-Ulam stability of exact second-order linear differential equations. As a consequence, we… (More)

- Mohammad Bagher Ghaemi, G. A. Afrouzi, S. H. Rasouli, M. Choubin
- Appl. Math. Lett.
- 2013

and Applied Analysis 3 for x, y, z ∈ A. A Banach non-Archimedean ternary algebra is a normed non-Archimedean ternary algebra such that the normed non-Archimedean vector space with norm ‖ · ‖ is complete. The ternary algebras have been studied in nineteenth century. Their structures appeared more or less naturally in various domains of mathematical physics… (More)

We show that a quaternary Jordan derivation on a quaternary Banach algebra associated with the equation f( x+ y + z 4 ) + f( 3x− y − 4z 4 ) + f( 4x+ 3z 4 ) = 2f(x) . is satisfied in generalized Hyers–Ulam stability.