Park, Choonkil
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Korean Journal of Mathematics Vol. 20 No. 1 (2012) - Articles
FUNCTIONAL EQUATIONS IN ORTHOGONALITY SPACES
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Korean Journal of Mathematics Vol. 19 No. 2 (2011) - Articles
STABILITY OF THE JENSEN TYPE FUNCTIONAL EQUATION IN BANACH ALGEBRAS: A FIXED POINT APPROACH
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Korean Journal of Mathematics Vol. 22 No. 1 (2014) - Articles
Generalized $(\theta, \phi)$-derivations on Banach algebras
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Korean Journal of Mathematics Vol. 23 No. 2 (2015) - Articles
Quadratic $\rho$-functional inequalities in Banach spaces: a fixed point approach
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Korean Journal of Mathematics Vol. 22 No. 2 (2014) - Articles
An additive functional inequality
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Korean Journal of Mathematics Vol. 31 No. 3 (2023) - Articles
Stability and solution of two functional equations in unital algebras
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Korean Journal of Mathematics Vol. 21 No. 1 (2013) - Articles
ORTHOGONALLY ADDITIVE AND ORTHOGONALLY QUADRATIC FUNCTIONAL EQUATION
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Korean Journal of Mathematics Vol. 19 No. 1 (2011) - Articles
GENERALIZED QUADRATIC MAPPINGS IN $2d$ VARIABLES
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Korean Journal of Mathematics Vol. 19 No. 1 (2011) - Articles
FUNCTIONAL EQUATIONS IN BANACH MODULES AND APPROXIMATE ALGEBRA HOMOMORPHISMS IN BANACH ALGEBRAS
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Korean Journal of Mathematics Vol. 26 No. 4 (2018) - Articles
Stability of trigintic functional equation in multi-Banach spaces: fixed point approach
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Korean Journal of Mathematics Vol. 21 No. 2 (2013) - Articles
Approximate bi-homomorphisms and bi-derivations in $C^*$-ternary algebras: revisited
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Korean Journal of Mathematics Vol. 18 No. 4 (2010) - Articles
STABILITY OF QUADRATIC FUNCTIONAL EQUATIONS IN RANDOM NORMED SPACES
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