Results 21 to 30 of about 70 (62)

Hyers- Ulam Rassias Stability of Exponential Primitive Mapping [PDF]

open access: yes, 2013
The aim of this paper is to prove  the stability of  Exponential Primitive Mapping in sprit of  Hyers- Ulam- Rassias. Keywords .  Hyers- Ulam Rassias Stability, Exponential Primitive Mapping. AMS Subject Classification (1991).
Shrivastava, Kavita
core   +1 more source

A functional equation characterizing cubic polynomials and its stability

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 27, Issue 5, Page 301-307, 2001., 2001
We study the generalized Hyers‐Ulam stability of the functional equation f[x1, x2, x3] = h(x1 + x2 + x3).
Soon-Mo Jung, Prasanna K. Sahoo
wiley   +1 more source

Hyers- Ulam Rassias Stability of multiplicative Cauchy equation [PDF]

open access: yes, 2015
The aim of this  paper is to prove  the stability of  multiplicative equation  in sprit of  Hyers- Ulam- Rassias. Keywords .  Hyers- Ulam Rassias Stability, multiplicative equation AMS Subject Classification (1991).
Shrivastava, Kavita
core   +1 more source

On solutions of the Gołąb‐Schinzel equation

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 27, Issue 9, Page 541-546, 2001., 2001
We determine the solutions f : (0, ∞) → [0, ∞) of the functional equation f(x + f(x)y) = f(x)f(y) that are continuous at a point a > 0 such that f(a) > 0. This is a partial solution of a problem raised by Brzdęk.
Anna Mureńko
wiley   +1 more source

On a functional equation related to a generalization of Flett′s mean value theorem

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 23, Issue 2, Page 103-107, 2000., 2000
In this paper, we characterize all the functions that attain their Flett mean value at a particular point between the endpoints of the interval under consideration. These functions turn out to be cubic polynomials and thus, we also characterize these.
T. Riedel, Maciej Sablik
wiley   +1 more source

On the stability of generalized gamma functional equation

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 23, Issue 8, Page 513-520, 2000., 2000
We obtain the Hyers‐Ulam stability and modified Hyers‐Ulam stability for the equations of the form g(x + p) = φ(x)g(x) in the following settings: |g(x + p) − φ(x)g(x) | ≤ δ, | g(x + p) − φ(x)g(x) | ≤ ϕ(x), | (g(x + p)/φ(x)g(x)) − 1 | ≤ ψ(x). As a consequence we obtain the stability theorems for the gamma functional equation.
Gwang Hui Kim
wiley   +1 more source

Stability of generalized additive Cauchy equations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 24, Issue 11, Page 721-727, 2000., 2000
A familiar functional equation f(ax + b) = cf(x) will be solved in the class of functions f : ℝ → ℝ. Applying this result we will investigate the Hyers‐Ulam‐Rassias stability problem of the generalized additive Cauchy equation f(a1x1+⋯+amxm+x0)=∑i=1mbif(ai1x1+⋯+aimxm) in connection with the question of Rassias and Tabor.
Soon-Mo Jung, Ki-Suk Lee
wiley   +1 more source

On generalizations of the Pompeiu functional equation

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 21, Issue 1, Page 117-124, 1998., 1997
In this paper, we determine the general solution of the functional equations and which are generalizations of a functional equation studied by Pompeiu. We present a method which is simple and direct to determine the general solutions of the above equations without any regularity assumptions.
Pl. Kannappan, P. K. Sahoo
wiley   +1 more source

On Limit Laws for Central Order Statistics under Power Normalization [PDF]

open access: yes, 2015
Smirnov (1949) derived four limit classes of distributions for linearly normalized central order statistics. In this paper we investigate the possible limit distributions of the k-th upper order statistics with central rank using regular power norming ...
Pancheva, E. I.   +1 more
core   +1 more source

Quasi‐homogeneous associative functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 21, Issue 2, Page 351-357, 1998., 1997
A triangular norm is a special kind of associative function on the closed unit interval [0, 1]. Triangular norms (or t‐norms) were introduced in the context of probabilistic metric space theory, and they have found applications also in other areas, such as fuzzy set theory.
Bruce R. Ebanks
wiley   +1 more source

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