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نمایش تعداد 1-10 از 45

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    On mixed C-semigroups of operators on Banach spaces 

    نوع: Journal Paper
    نویسنده : Masoud Mosallanezhad; Mohammad Janfada
    سال: 2016
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    Frames for operators in Banach spaces via semi-inner products 

    نوع: Journal Paper
    نویسنده : Bahram Dastourian; Mohammad Janfada
    سال: 2016
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    Frame of translates a different point of view 

    نوع: Conference Paper
    نویسنده : محمد جانفدا; Mohammad Janfada
    سال: 2018
    خلاصه:

    In this paper, after a reviewing the concept of frames of translate, we introduce some of its generalizations.
    In particular, we consider frames of translates on L2-R,CN- as a Hilbert MN-C--module. Next we study
    this ...

    On solutions and stability of a generalized quadratic equation on non-Archimedean normed spaces 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Mohammad Janfada
    سال: 2012
    خلاصه:

    In this paper we study general solutions and generalized Hyers-Ulam-Rassias stability of the following function equation

    $$

    f(x-\\\\sum_{i=1}^{k}x_{i})+(k-1)f(x)+(k-1)\\\\sum_{i=1}^{k}f(x_{i})

    =f(x- ...

    On Regularized Quasi-Semigroups and Evolution Equations 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Mohammad Janfada
    سال: 2010
    خلاصه:

    We introduce the notion of regularized quasi-semigroup of bounded linear operators on Banach

    spaces and its infinitesimal generator, as a generalization of regularized semigroups of operators.

    After some ...

    On Two-Parameter Regularized Semigroups and the Cauchy Problem 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Mohammad Janfada
    سال: 2009
    خلاصه:

    Suppose $X$ is a Banach space and $C$ is an injective operator in

    $B(X)$, the space of all bounded linear operators on $X$. In this

    note two-parameter $C$-semigroup (regularized semigroup) of

    operators ...

    On solutions and Hyeres--Ulam--Rassias stability of a generalized quadratic equation 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Rahele Shourvarzi; Mohammad Janfada
    سال: 2010
    خلاصه:

    In this paper we study general solutions and Hyers-Ulam-Rassias stability of the following function equation

    \\\\begin{equation}\\\\label{0}

    (4-k)f(\\\\sum_{i=1}^{k}x_{i})+\\\\sum_{j=1}^{k}f((\\\\sum_{i=1, ...

    On Solutions of A Generalized Quadratic Functional Equation of Pexider Type 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Rahele Shourvazi; Mohammad Janfada
    سال: 2012
    خلاصه:

    In this paper we study general solutions of the following Pexider functional equation

    \\\\\\\\begin{eqnarray}

    (4-k)f_{1}(\\\\\\\\sum_{i=1}^{k}x_{i})+

    \\\\\\\\sum_{j=2}^{k}f_{j}((\\\\\\\\sum_{i=1,i\ ...

    Fuzzy 2-Normed Spaces and Its Fuzzy I-Topology 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Abolfazl Nezhadali Baghan; Mohammad Janfada
    سال: 2014
    خلاصه:

    In this paper the Felbin s type fuzzy 2-norm on a vector space is introduced, when L= min and R= max and then

    one of its fuzzy I-topologies is constructed. After making our elementary

    observations on ...

    Stability of The Volterra integrodifferential equation 

    نوع: Journal Paper
    نویسنده : محمد جانفدا; Ghadir Sadeghi; Mohammad Janfada
    سال: 2013
    خلاصه:

    In this paper, the Hyers-Ulam

    stability of the Volterra integrodifferential equation



    x\\\\\\'(t)=g(t,x(t))+int_0^tK(t,s,x(s))ds,



    and the Volterra equation



    x(t)=g(t,x(t) ...

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