# Erdal KARAPINAR, Prof. Dr.

## Contact Information

Phone: 8239 FEF 408 Department of Mathematics http://erdalkarapinar.wordpress.com/

DegreeFieldUniversityYear
PhD of Philosophy Mathematics Middle East Technical University 2004
Master's of Science Mathematics Middle East Technical University 1998
Bachelor's of Science Mathematics Middle East Technical University 1995

DegreeUniversityMonthYear
Professor Atılım University 2016
Assoc. Prof. January 2012
Asst. Prof. November 2007
Asst. Prof. October 2006

## Research Topics

 Fixed Point Theory, Köthe Spaces, Functional Analysis, Best Proximity Point Theory

## Publications

### SCI, SCI-E, SSCI and AHCI

H. Aydi, E.Karapinar, D. Zhang (2017), A note on generalized admissible-Meir-Keeler-contractions in the context of generalized metric spaces,, Results in Mathematics, , Volume 71, Issue 1,, 73–92

H.Aydi, M. Jellali, E.Karapinar, (2016), On ﬁxed point results for alpha-implicit contractions in quasi-metric spaces and consequences,, Nonlinear Analysis: Modelling and Control,, 2016, Vol. 21, No. 1, , 40–56

Erdal KARAPINAR (2015), E. Karapinar, Some fixed points results on Branciari metric spaces via implicit functions,, Carpathian J. Math., (31 (2015), No. 3, , 339 - 348

E. Karapinar, I. M. Erhan and U.Aksoy (2014), Weak \psi-contractions on partially ordered metric spaces and applications to boundary value problems, (2014), Boundary Value Problems , 2014

R. P. Agarwal, H. Alsulami, E.Karapinar and F.Khojasteh, (2014), Remarks on some recent fixed point results in quaternion-valued metric spaces,, Abstract and Applied Analysis, 2014, Article Id: 171624

A. Roldan, J. Martinez-Moreno, C. Roldan, and E. Karapinar (2014), Coincidence point theorems on metric spaces via simulation functions, Journal of Computational and Applied Mathematics

Karapınar E., Ravi.P. Agarwal (2013), Remarks on some coupled fixed point theorems in G-metric spaces, Fixed Point Theory and Applications (SpringerOpen), http://www.fixedpointtheoryandapplications.com/content/pdf/1687-1812-2013-2.pdf, 2013, 33 pages

Karapınar E., N.Bilgili, P. Salimi (2013), Fixed point theorems for generalized contractions on GP-metric spaces, Journal of Inequalities and Application (SpringerOpen), doi:10.1186/1029-242X-2013-39, 2013, 33 pages

Karapınar E., Vasile BERINDE (2012), QUADRUPLE FIXED POINT THEOREMS FOR NONLINEAR CONTRACTIONS IN PARTIALLY ORDERED METRIC SPACES, BANACH JOURNAL OF MATHEMATICAL ANALYSIS, no:1, 6, pp.74-89

Karapınar E., Thabet Abdeljawad, Kenan Taş (2012), A generalized contraction principle with control functions on partial metric spaces, Computers & Mathematics with Applications, no:3, 73, pp.716–719

Karapınar E., Sintunavarat W and Kumam P (2012), Coupled fixed point theorems in cone metric spaces with a c-distance and applications, Fixed Point Theory and Applications, 2012

Karapınar E. (2011), Fixed point theory for cyclic weak $\phi$-contraction, Applied Mathematics Letters, 24, 822-825

Karapınar E., Uğur YÜKSEL (2011), On Common Fixed Point Theorems Without Commuting Conditions in tvs-Cone Metric Spaces, J. Comput. Anal. Appl , 13 (6), 1115-1122

Karapınar E., Thabet ABDELJAWAD (2011), A Common Fixed Point Theorem of a Gregus Type on Convex Cone Metric Spaces, J. Comput. Anal. Appl , 13(4), 609-621

Karapınar E., İnci ERHAN (2011), Best Proximity Point on Different Type Contractions, Appl. Math. Inf. Sci. , 3(3), 342-353

Karapınar E. (2010), Couple fixed point theorems for nonlinear contractions in cone metric spaces, Computers & Mathematics with Applications, 00-016

Karapınar E., V.P. ZAKHARYUTA (2010), On Orlicz-Power Series Spaces, Mediterr J. Math, 00-11

Karapınar E., Türkoğlu, D.A. (2010), Best Approximations Theorem For A Couple In Cone Banach Space, Fixed Point Theory and Applications, doi:10.1155/2010/784578, 2010, 1-9

Karapınar E. (2010), Some Nonunique Fixed Point Theorems of Ćirić Type on Cone Metric Spaces, Abstract and Applied Analysis, 2010, 1-14

Karapınar E. (2010), On Pairs of $\ell$-Köthe spaces, Hacet. J. Math. Stat., 39(3), 337--349

Karapınar E., Thabet Abdeljawad (2009), Quasicone Metric Spaces and Generalizations of Caristi Kirk's Theorem, Fixed Point Theory and Applications, Article ID 574387, 2009, 1-9

Karapınar E. (2009), Fixed Point Theorems in Cone Banach Spaces, Fixed Point Theory and Applications, Article ID 609281, 2009, 1-9

Karapınar E. (2007), Multirectangular characteristic invariants for power ℓ-Köthe spaces of first type, J. Math. Anal. Appl., doi:10.1016/j.jmaa.2007.01.049, 335(1), 79-92

Karapınar E., V.P. Zakharyuta (2007), On Nuclearity of Köthe Spaces, Turk J. Math., 31, 435--438,

### Other Refereed Journals

Karapınar E. (2007), On ℓ-Köthe spaces, Int.J. Pure Appl. Math., 38(2), 221-224

Karapınar E. (2007), Nuclearity and Multipliers between Banach Spaces, Int. J. Contemp. Math. Sci . , 32(2), 1601-1606

Karapınar E., M.Yurdakul,V.P. Zakharyuta (2006), Isomorphisms of Cartesian products of l-power series spaces, Bull. Polish Acad. Sci. Math, 54, 103-111

### International Conference Proceedings

Karapınar E. (2010), Some Fixed Point Theorems on the Cone Banach Spaces, Proc. of 7 ISAAC Congress, World Scientic, London, 606-612

Karapınar E. (2009), On complemented subspaces of "E_0^(l_2)(a) X E_{\infty}^(l_2)(b)", Proc. of 6 ISAAC Congress, World Scientic, Ankara, 794-797