Quadratic $\rho$-functional inequalities and equations

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Quadratic $rho$-functional inequalities in $beta$-homogeneous normed spaces

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quadratic $rho$-functional inequalities in $beta$-homogeneous normed spaces

in cite{p}, park introduced the quadratic $rho$-functional inequalitiesbegin{eqnarray}&& |f(x+y)+f(x-y)-2f(x)-2f(y)| && qquad le  left|rholeft(2 fleft(frac{x+y}{2}right) + 2 fleft(frac{x-y}{2}right)- f(x) -  f(y)right)right|,  nonumberend{eqnarray}where $rho$ is a fixed complex number with $|rho|andbegin{eqnarray}&& left|2 fleft(frac{x+y}{2}right) + 2 fleft(frac{x-y}{2}r...

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ژورنال

عنوان ژورنال: Journal of Nonlinear Analysis and Application

سال: 2014

ISSN: 2193-3472

DOI: 10.5899/2014/jnaa-00262