Movahedni, Ehsana; Park, Choonkil; Shin, Dong Yun Approximation of involution in multi-Banach algebras: fixed point technique. (English) Zbl 1484.39035 AIMS Math. 6, No. 6, 5851-5868 (2021). MSC: 39B82 39B52 46L05 47H10 PDFBibTeX XMLCite \textit{E. Movahedni} et al., AIMS Math. 6, No. 6, 5851--5868 (2021; Zbl 1484.39035) Full Text: DOI
Paokanta, Siriluk; Shin, Dong Yun Quadratic \((\rho_1,\rho_2)\)-functional equation in fuzzy Banach spaces. (English) Zbl 1450.39013 J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 25-33 (2020). MSC: 39B52 46S40 47H10 39B62 26E50 47S40 PDFBibTeX XMLCite \textit{S. Paokanta} and \textit{D. Y. Shin}, J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 25--33 (2020; Zbl 1450.39013)
Park, Choonkil; Yun, Sungsik; Lee, Jung Rye; Shin, Dong Yun Set-valued additive functional equations. (English) Zbl 1474.39065 Constr. Math. Anal. 2, No. 2, 89-97 (2019). MSC: 39B52 39B82 47H04 47H10 PDFBibTeX XMLCite \textit{C. Park} et al., Constr. Math. Anal. 2, No. 2, 89--97 (2019; Zbl 1474.39065) Full Text: DOI
Lee, Jung Rye; Park, Choonkil; Shin, Dong Yun; Yun, Sungsik Set-valued quadratic functional equations. (English) Zbl 1453.39022 Result. Math. 72, No. 1-2, 665-677 (2017). MSC: 39B52 39B82 47H04 47H10 PDFBibTeX XMLCite \textit{J. R. Lee} et al., Result. Math. 72, No. 1--2, 665--677 (2017; Zbl 1453.39022) Full Text: DOI
Yun, Sungsik; Shin, Dong Yun Stability of an additive (\({\rho}_1, {\rho}_2\))-functional inequality in Banach spaces. (English) Zbl 1367.39011 J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 24, No. 1, 21-31 (2017). MSC: 39B62 47H10 39B52 PDFBibTeX XMLCite \textit{S. Yun} and \textit{D. Y. Shin}, J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 24, No. 1, 21--31 (2017; Zbl 1367.39011) Full Text: DOI
Park, Choonkil; Shin, Dong Yun; Saadati, Reza; Lee, Jung Rye A fixed point approach to the fuzzy stability of an aqcq-functional equation. (English) Zbl 1465.47058 Filomat 30, No. 7, 1833-1851 (2016). MSC: 47S40 47H10 39B52 54E40 46S40 PDFBibTeX XMLCite \textit{C. Park} et al., Filomat 30, No. 7, 1833--1851 (2016; Zbl 1465.47058) Full Text: DOI
Movahednia, Ehsan; Gordji, Madjid Eshaghi; Park, Choonkil; Shin, Dong Yun A quadratic functional equation in intuitionistic fuzzy 2-Banach spaces. (English) Zbl 1339.39020 J. Comput. Anal. Appl. 21, No. 4, 761-768 (2016). MSC: 39B52 47S40 47H10 39B82 PDFBibTeX XMLCite \textit{E. Movahednia} et al., J. Comput. Anal. Appl. 21, No. 4, 761--768 (2016; Zbl 1339.39020)
Ghaemi, Mohammad Bagher; Choubin, Mehdi; Saadati, Reza; Park, Choonkil; Shin, Dong Yun A fixed point approach to the stability of Euler-Lagrange sextic \((a,b)\)-functional equations in Archimedean and non-Archimedean Banach spaces. (English) Zbl 1333.39035 J. Comput. Anal. Appl. 21, No. 1, 170-181 (2016). MSC: 39B82 46S10 47H10 PDFBibTeX XMLCite \textit{M. B. Ghaemi} et al., J. Comput. Anal. Appl. 21, No. 1, 170--181 (2016; Zbl 1333.39035)
Movahednia, Ehsan; Mosadegh, Seyed Mohammad Sadegh Modarres; Park, Choonkil; Shin, Dong Yun Stability of a lattice preserving functional equation on Riesz space: fixed point alternative. (English) Zbl 1339.39021 J. Comput. Anal. Appl. 21, No. 1, 83-89 (2016). MSC: 39B52 47H10 46B42 39B82 PDFBibTeX XMLCite \textit{E. Movahednia} et al., J. Comput. Anal. Appl. 21, No. 1, 83--89 (2016; Zbl 1339.39021)
Park, Choonkil; Shin, Dong Yun; Lee, Sungjin A fixed point approach to the stability of an AQCQ-functional equation in RN-spaces. (English) Zbl 1334.39051 J. Nonlinear Sci. Appl. 9, No. 4, 1787-1806 (2016). MSC: 39B52 39B82 47H10 PDFBibTeX XMLCite \textit{C. Park} et al., J. Nonlinear Sci. Appl. 9, No. 4, 1787--1806 (2016; Zbl 1334.39051) Full Text: DOI Link
Lee, Jung Rye; Park, Choonkil; Shin, Dong Yun Functional equations in matrix normed spaces. (English) Zbl 1330.39030 Proc. Indian Acad. Sci., Math. Sci. 125, No. 3, 399-412 (2015). Reviewer: Mohammad Sal Moslehian (Karlstad) MSC: 39B82 47L25 47H10 46L07 39B52 PDFBibTeX XMLCite \textit{J. R. Lee} et al., Proc. Indian Acad. Sci., Math. Sci. 125, No. 3, 399--412 (2015; Zbl 1330.39030) Full Text: DOI
Batool, Afshan; Park, Choonkil; Shin, Dong Yun Additive \(\rho\)-functional inequalities in matrix normed spaces. (English) Zbl 1330.39027 J. Comput. Anal. Appl. 19, No. 6, 939-946 (2015). Reviewer: Mohammad Sal Moslehian (Karlstad) MSC: 39B82 47L25 47H10 39B72 46L07 39B52 PDFBibTeX XMLCite \textit{A. Batool} et al., J. Comput. Anal. Appl. 19, No. 6, 939--946 (2015; Zbl 1330.39027)
Lee, Jung Rye; Park, Choonkil; Shin, Dong Yun Random derivations on random normed algebras. (English) Zbl 1386.39045 J. Comput. Anal. Appl. 16, No. 1, 104-111 (2014). MSC: 39B52 47H10 37H10 60H25 39B72 47B47 17B40 54E70 PDFBibTeX XMLCite \textit{J. R. Lee} et al., J. Comput. Anal. Appl. 16, No. 1, 104--111 (2014; Zbl 1386.39045)
Park, Choonkil; Lee, Jung Rye; Shin, Dong Yun An AQCQ-functional equation in matrix Banach spaces. (English) Zbl 1444.39030 Adv. Difference Equ. 2013, Paper No. 146, 15 p. (2013). MSC: 39B82 39B52 47H10 PDFBibTeX XMLCite \textit{C. Park} et al., Adv. Difference Equ. 2013, Paper No. 146, 15 p. (2013; Zbl 1444.39030) Full Text: DOI
Park, Choonkil; Shin, Dong Yun; Lee, Jung Rye An additive functional inequality in matrix normed spaces. (English) Zbl 1285.39011 Math. Inequal. Appl. 16, No. 4, 1009-1022 (2013). Reviewer: Paşc Găvruţă (Timişoara) MSC: 39B82 47L25 47H10 39B72 46L07 39B52 39B62 PDFBibTeX XMLCite \textit{C. Park} et al., Math. Inequal. Appl. 16, No. 4, 1009--1022 (2013; Zbl 1285.39011) Full Text: DOI
Park, Choonkil; Shin, Dong Yun; Lee, Jung Rye Fuzzy stability of functional inequalities in matrix fuzzy normed spaces. (English) Zbl 1300.39009 J. Inequal. Appl. 2013, Paper No. 224, 28 p. (2013). Reviewer: Paşc Găvruţă (Timişoara) MSC: 39B82 47H10 39B52 46S40 PDFBibTeX XMLCite \textit{C. Park} et al., J. Inequal. Appl. 2013, Paper No. 224, 28 p. (2013; Zbl 1300.39009) Full Text: DOI
Lee, Jung Rye; Shin, Dong Yun Stability of the Jensen functional equation in fuzzy Banach algebras. (English) Zbl 1511.39021 Korean J. Math. 20, No. 1, 91-106 (2012). MSC: 39B52 46S40 47H10 26E50 PDFBibTeX XMLCite \textit{J. R. Lee} and \textit{D. Y. Shin}, Korean J. Math. 20, No. 1, 91--106 (2012; Zbl 1511.39021) Full Text: DOI
Park, Choonkil; Kim, Gwang Hui; Lee, Jung Rye; Shin, Dong Yun Orthogonally additive-additive and orthogonally quadratic-quadratic functional equation in orthogonality spaces. (English) Zbl 1273.39021 J. Inequal. Appl. 2012, Paper No. 139, 17 p. (2012). MSC: 39B55 46S10 39B72 39B52 54E40 47H10 47S10 26E30 12J25 46H25 PDFBibTeX XMLCite \textit{C. Park} et al., J. Inequal. Appl. 2012, Paper No. 139, 17 p. (2012; Zbl 1273.39021) Full Text: DOI
Park, Choonkil; Lee, Jung Rye; Shin, Dong Yun; Gordji, Madjid Eshaghi Comment on: “On the stability of quadratic double centralizers and quadratic multipliers: a fixed point approach”. (English) Zbl 1275.39020 J. Inequal. Appl. 2011, Paper No. 104, 7 p. (2011). MSC: 39B82 39B52 46H25 47H10 PDFBibTeX XMLCite \textit{C. Park} et al., J. Inequal. Appl. 2011, Paper No. 104, 7 p. (2011; Zbl 1275.39020) Full Text: DOI
Jang, Sun-Young; Park, Choonkil; Shin, Dong Yun Fuzzy stability of a cubic-quartic functional equation: a fixed point approach. (English) Zbl 1229.39036 Bull. Korean Math. Soc. 48, No. 3, 491-503 (2011). Reviewer: Costică Moroşanu (Iaşi) MSC: 39B72 46S40 39B82 39B52 47H10 PDFBibTeX XMLCite \textit{S.-Y. Jang} et al., Bull. Korean Math. Soc. 48, No. 3, 491--503 (2011; Zbl 1229.39036) Full Text: DOI