General Information

Institutional Information: Fen Fakültesi, Matematik Bölümü, Fonsiyonel Analiz Anabilim Dalı
Research Areas: Fuzzy Sets and Systems, Multi Criteria Decision Making, Functional Analysis, Probability Theory, Stochastic Processes




Citation (WoS)


H-Index (WoS)


Citation (Scopus)


H-Index (Scopus)




Thesis Advisory


Open Access

UN Sustainable Development Goals



53. Ünver, M., and Olgun, M., $q$-rung orthopair picture fuzzy topological spaces and parameter-dependent continuity: Control system applications,  Math. Probl. Eng. (accepted)

52. Bozyigit , M. C., Olgun  M., and Ünver, M., Circular Pythagorean fuzzy sets and Applications to multi-criteria decision making, Informatica (accepted)

51.  Garg, H., Ünver, M., Olgun, M., and Türkarslan,E., An extended EDAS method with circular intuitionistic fuzzy value features and its application to multi-criteria decision-making process, Artif. Intell. Rev. (accepted)

50. Garg, H., Ünver, M., Aydoğan, B., and Olgun, M., An extended TOPSIS and entropy measure based on Sugeno integral in Pythagorean fuzzy set setting, Int. J. Fuzzy Syst. 2023, 45(2), 2537-2549.

49. Garg, H., Olgun, M., Ünver, M., and Türkarslan,E.,  An extension of CODAS method for multi-criteria group decision making with complex intuitionistic fuzzy information via Dombi sine weighted arithmetic aggregation operators, Granul. Comput.

48. Ünver, M., and Olgun, M., Continuous function valued q-rung orthopair fuzzy sets and an extended TOPSIS, Inter. J. Fuzzy Syst.

47. Türkarslan, E., Ye, J., Ünver, M., and Olgun, M., Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making, Iran. J. of Fuzzy Syst. 10.22111/IJFS.2023.7505

46. Bozyigit , M. C., Olgun  M.,, Smarandache, F., and Ünver, M., A new type of neutrosophic set in Pythagorean Fuzzy environment and Applications to multi-criteria decision making, Int. J. Neutrosophic Sci. 2023, 20 (2) , 107-134.

45. Uluçay, H., Ünver, M. and Söylemez, D., Some Korovkin type approximation applications of power series methods, Rev. Real Acad. Cienc. Exactas Fis. Nat. - A: Mat. 2023,  117, 24.

44. Uluçay, H. and Ünver, M., Uniform integrability of sequences of random elements with respect to weak topologies and weak integrals. Hacet. J. Math. Stat. 2023, 52 (1) , 91 – 102.

43. Ünver, M., Olgun, M. and Garg, H., An information measure based extended VIKOR method in intuitionistic fuzzy valued neutrosophic value setting for multi-criteria group decision making. Sci. Iran. 

42. Ünver, M. and Şahin Bayram, N., On statistical convergence with respect to power series methods. Positivity. 2022, 26:55. 

41. Garg, H., Olgun, M., Türkarslan, E. and Ünver, M., A Choquet integral based cosine similarity measure for interval-valued Intuitionistic fuzzy sets and an application to pattern  recognition.  Lobachevskii J. Math. 2022, 43, 2444–2452.

40. Ünver, M., Türkarslan, E., Ye, J. and Olgun, M.  Linguistic single and interval-valued hybrid intuitionistic fuzzy multi-sets and applications to multi-criteria group decision making. J. Mult.-Valued Log. Soft Comput. (accepted) 

39. Ünver, M., Olgun, M., and Türkarslan, E. Cosine and cotangent similarity measures based on Choquet integral for Spherical fuzzy sets and applications to pattern recognition. J. Comput. Cogn. Eng. 2022, 1(1) 21-31. 

38. Olgun, M.,  Türkarslan, E., Ye, J. and Ünver, M., Single and interval-valued hybrid enthalpy fuzzy sets and a TOPSIS approach for multi-criteria group decision making, Math. Probl. Eng. 2022, 2501321. 

37. Ordonez Cabrera, M., Rosalsky, A., Ünver, M. and Volodin, A., A new version of uniform integrability via power series summability methods, Theory Probab. its Appl. 2022, 67(1), 115-133.

36. Ünver, M., Türkarslan, E., Çelik N., Olgun, M.,  and Ye, J., Intuitionistic fuzzy valued neutrosophic multi-sets and numerical applications to classification, Complex Intell. Syst. 2022, 8, 1703–1721. 

35. Ye, J., Türkarslan, E., Ünver, M. and Olgun, M., Algebraic and Einstein weighted operators of neutrosophic enthalpy values for multi-criteria decision making in neutrosophic multi-valued set settings, Granul. Comput. 7, 479–487, 2022.

34. Olgun, M., Türkarslan, E., Ünver, M. and Ye, J., 2-additive Choquet similarity measures for multi-period medical diagnosis in single-valued neutrosophic set setting, Neutrosophic Sets Syst., 45, 8-25, 2021. 

33. Olgun, M., Türkarslan, E., Ünver, M. and Ye, J., A cosine similarity measure based on the Choquet integral for intuitionistic fuzzy sets and its applications to pattern recognition, Informatica 32 (4), 849-864, 2021. 

32. Al Hayek, N., Ordonez Cabrera, M., Rosalsky, A., Ünver, M. and Volodin, A.,. Some results concerning ideal and classical uniform integrability and mean convergence, Collect. Math. 

31. Olgun Karacan, G., Ünver, M. and Inostroza-Ponta, M., A multi criteria group decision making approach based on fuzzy measure theory to assess the different gene regions used in rodent species, TWMS J. App. Eng. Math. (accepted).

30. Türkarslan, E., Ye, J., Ünver, M., and Olgun,M., Consistency fuzzy sets and a cosine similarity measure in fuzzy multiset setting and application to medical diagnosis, Math. Probl. Eng. 2021, 9975983. 

29. Olgun, M., Ünver, M. and Yardımcı, Ş., Pythagorean fuzzy points and applications in pattern recognition and Pythagorean fuzzy topologies, Soft Comput. 25, 5225–5232, 2021. 

28. Söylemez, D. and Ünver, M., Rates of power series statistical convergence of positive linear Operators and power series statistical convergence of q-Meyer–Konig and Zeller Operators,  Lobachevskii J. Math. 42, 426–434, 2021. 

27. Türkarslan, E., Ünver, M. and Olgun, M., q-Rung orthopair fuzzy topological spaces, Lobachevskii J. Math.42, 470–478, 2021. 

26. Ordonez Cabrera, M., Rosalsky, A., Ünver, M. and Volodin, A., On the concept of B-statistical uniform integrability of weighted sums of random variables and the law of large numbers with mean convergence in the statistical sense, TEST 30, 83–102, 2021. 

25. Ordonez Cabrera, M., Rosalsky, A., Ünver, M. and Volodin, A., A new type of compact uniform integrability with application to degenerate mean convergence of weighted sums of Banach space valued random elements, J. Math. Anal. Appl. 487 (1), 123975, 2020.

24. Soylemez, D. and Ünver, M., Korovkin type approximation of Abel transforms of q-Meyer-König and Zeller operators, Int. J. Nonlinear Anal. Appl. 11 (2), 339-350, 2020.

23. Ünver, M., Özçelik, G. and Olgun, M.,  A pre-subadditive fuzzy measure model and its theoretical interpretation, TWMS J. App. Eng. Math. 10 (1), 270-278, 2020. 

22. Giuliano Antonini, R., Ünver, M. and Volodin, A., On the concept of A-statistical uniform integrability and the law of large numbers, Lobachevskii J. Math. 40 (12), 2034-2042, 2019.

21. Uluçay, H. and Ünver, M.,  Lacunary distributional convergence in topological spaces, Filomat, 33 (13), 4297-4306, 2019.

20. Olgun, M., Ünver, M. and Yardımcı, Ş.,  Pythagorean fuzzy topological spaces, Complex Intell. Syst. 5 (2), 177-183, 2019.

19. Ünver, M. and Orhan,,  Statistical convergence with respect to power series methods and applications to approximation theory, Numer. Func. Anal. App. 40 (5), 535-547, 2019.

18. Ünver, M., Özçelik, G. and Olgun, M.,  A fuzzy measure theoretical approach for multi criteria decision making problems containing sub-criteria, J. Intell. Fuzzy Systems, 35 (6), 6461-6468, 2018.

17. Ünver, M. and Sagiroglu, S.,  Distance of convergence in measure on spaces of measurable functions, Positivity, 23 (3), 507-521, 2019.

16. Sagiroglu, S. and Ünver, M., Statistical convergence of sequences of sets in hyperspaces, Hacet. J. Math. Stat. 47 (4), 889-896, 2018.

15. Ünver, M. and Yardımcı, Ş., Strong convergence in topological spaces, Methods Funct. Anal. Topology 24 (1), 82-90, 2018.

14. Söylemez, D. and Ünver M., Korovkin type theorems for Cheney-Sharma operators via summability methods, Results in Math. 72 (3), 1601–1612, 2017.

13. Ünver M. and Uluçay, H. Compactly uniform Bochner integrability of random elements, Positivity, 21 (4), 1261–1272, 2017.

12. Atlıhan, Ö., Ünver, M. and Duman, O., Korovkin theorems on weighted spaces: Revisited, Period. Math. Hung. 75 (2), 201–209, 2017.

11. Özçelik, G., Ünver, M. and Gencer, C., Evaluation of the global warming impacts using a hybrid method based on fuzzy techniques: A case study in Turkey, Gazi J. Sci. 29 (4), 883-894, 2016.

10. Yurdakadim, T. and Ünver, M., Some results concerning the summability of spliced sequences, Turkish J. Math., 40, 1134-1143, 2016. 

9. Ünver, M., Abel summability in topological spaces, Monatsh. Math. 178 (4), 633-643, 2015.

8. Atlıhan, Ö. and Ünver, M., Abel transforms of convolution operators, Geor. Math. J. 22 (3), 323-329, 2015. 

7. Ünver, M., Abel transforms of positive linear operators on weighted spaces, Bull. Belg. Math. Soc., 21 (5), 813-822, 2014. 

6. Orhan, C. and Ünver, M., Matrix characterization of A-statistical convergence of double sequences, Acta Math. Hungar. 143 (1), 159-175, 2014. 

5. Ünver, M., Khan, M. K. and Orhan, C., A -distributional summability in topological spaces, Positivity, 18 (1), 131-145, 2014.

4. Ünver, M., Abel transforms of positive linear operators, ICNAAM 2013. AIP Conference Proceedings, 1558, 1148-1151, 2013.

3. Ünver, M., Characterization of multidimensional A-strong convergence, Studia Sci. Math. Hungar., 50 (1), 17-25, 2013. 

2. Ünver, M., Inclusion results for four dimensional Cesàro submethods, Stud. Univ. Babe¸s-Bolyai Math. 58 (1), 43–54, 2013. 

1. Sakaoğlu, İ. and Ünver, M., Statistical approximation for multivariable integrable functions, Miskolc Math. Notes 13 (2), 485–491, 2012. 

Book Chapters:

4. Türkarslan, E., Olgun, M., Ünver, M. and Yardımcı, Ş., q-Rung Orthopair Fuzzy Points and Applications to q-Rung Orthopair Fuzzy Topological Spaces and Pattern Recognition, Advances in Topology and Their Interdisciplinary Applications, Springer, 245–259, 2023.

3.  Türkarslan, E., Ünver, M. and Olgun, M., A vector valued similarity measure based on the Choquet integral for intuitionistic fuzzy sets and its application to pattern recognition, Lecture Notes in Networks and Systems, Springer, 84-92, 2022. 

2. Türkarslan, E.Olgun, M., Ünver, M. and Yardımcı, Ş., Some trigonometric similarity measures based on Choquet integral for Pythagorean fuzzy sets snd its applications to pattern recognition, Pythagorean Fuzzy Sets: Theory and Applications, Springer, 83-105, 2021.

1. Türkarslan, E.Olgun, M., Ünver, M. and Yardımcı, Ş., 2-Additive Choquet cosine similarity measures for simplified neutrosophic sets and applications to medical diagnosis, Decision-Making with Neutrosophic Set: Theory and Applications in Knowledge Management, Nova Science Publishers, 259-281, 2021.