Prof. Dr. MURAT OLGUN

Yayın Ağı

Makaleler 54

1. A Novel Interval-Valued Intuitionistic Fuzzy Neutrosophic Framework for Addressing Income Inequality in Multi-Criteria Decision-Making

Karaoğlu N. B., ÜNVER M., OLGUN M.

Turkish Journal of Mathematics and Computer Science , cilt.17, sa.1, ss.243-263, 2025 (Scopus)

2. On Almost (α, θρ)-Contractions on Quasimetric Space and Their Fixed Points

Güngör G. D., Üçüncüoğlu S., OLGUN M., Altun I.

Journal of Mathematics , cilt.2025, sa.1, 2025 (SCI-Expanded)

3. Parametric picture fuzzy cross-entropy measures based on d-Choquet integral for building material recognition

BOZYİĞİT M. C., OLGUN M., ÜNVER M., Söylemez D.

Applied Soft Computing , cilt.166, 2024 (SCI-Expanded)

4. A Decision-Making Approach Incorporating TODIM Method and Sine Entropy in q-Rung Picture Fuzzy Set Setting

Aydogan B., OLGUN M., Smarandache F., ÜNVER M.

JOURNAL OF APPLIED MATHEMATICS , 2024 (ESCI)

5. An extended EDAS method with circular intuitionistic fuzzy value features and its application to multi-criteria decision-making process

Garg H., ÜNVER M., OLGUN M., Türkarslan E.

Artificial Intelligence Review , cilt.56, ss.3173-3204, 2023 (SCI-Expanded)

6. An extension of CODAS method for multi-criteria group decision making with complex intuitionistic fuzzy information via Dombi sine weighted arithmetic aggregation operators

Garg H., OLGUN M., ÜNVER M., Türkarslan E.

Granular Computing , cilt.8, sa.6, ss.1467-1480, 2023 (Scopus)

7. Circular Pythagorean Fuzzy Sets and Applications to Multi-Criteria Decision Making

BOZYİĞİT M. C., OLGUN M., ÜNVER M.

INFORMATICA , cilt.34, sa.4, ss.713-742, 2023 (SCI-Expanded, Scopus)

8. Continuous Function Valued q-Rung Orthopair Fuzzy Sets and an Extended TOPSIS

ÜNVER M., OLGUN M.

International Journal of Fuzzy Systems , cilt.25, sa.6, ss.2203-2217, 2023 (SCI-Expanded)

9. Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making

Türkarslan E., Ye J., ÜNVER M., OLGUN M.

Iranian Journal of Fuzzy Systems , cilt.20, sa.4, ss.39-56, 2023 (SCI-Expanded)

10. A New Type of Neutrosophic Set in Pythagorean Fuzzy Environment and Applications to Multi-criteria Decision Making

BOZYİĞİT M. C., OLGUN M., Smarandache F., ÜNVER M.

International Journal of Neutrosophic Science , cilt.20, sa.2, ss.107-134, 2023 (Scopus)

11. Linguistic Single and Interval-valued Hybrid Intuitionistic Fuzzy Multi-sets and Applications to Multi-criteria Group Decision Making

ÜNVER M., Türkarslan E., Ye J., OLGUN M.

Journal of Multiple-Valued Logic and Soft Computing , cilt.41, sa.1-2, ss.1-20, 2023 (SCI-Expanded)

12. An extended TOPSIS and entropy measure based on Sugeno integral in Pythagorean fuzzy set setting

Garg H., ÜNVER M., Aydoǧan B., OLGUN M.

Journal of Intelligent and Fuzzy Systems , cilt.45, sa.2, ss.2537-2549, 2023 (SCI-Expanded)

13. Q-Rung Orthopair Picture Fuzzy Topological Spaces and Parameter-Dependent Continuity: Control System Applications

ÜNVER M., OLGUN M.

Mathematical Problems in Engineering , cilt.2023, 2023 (SCI-Expanded)

14. A Choquet Integral Based Cosine Similarity Measure for Interval-Valued Intuitionistic Fuzzy Sets and an Application to Pattern Recognition

Harish G., OLGUN M., TÜRKARSLAN E., ÜNVER M.

LOBACHEVSKII JOURNAL OF MATHEMATICS , cilt.43, ss.2444-2452, 2022 (ESCI, Scopus)

15. Algebraic and Einstein weighted operators of neutrosophic enthalpy values for multi-criteria decision making in neutrosophic multi-valued set settings

Ye J., Turkarslan E., ÜNVER M., OLGUN M.

GRANULAR COMPUTING , cilt.7, sa.3, ss.479-487, 2022 (ESCI, Scopus)

16. Single and Interval-Valued Hybrid Enthalpy Fuzzy Sets and a TOPSIS Approach for Multicriteria Group Decision Making

OLGUN M., Turkarslan E., Ye J., ÜNVER M.

MATHEMATICAL PROBLEMS IN ENGINEERING , cilt.2022, 2022 (SCI-Expanded, Scopus)

17. Intuitionistic fuzzy-valued neutrosophic multi-sets and numerical applications to classification

ÜNVER M., Turkarslan E., Celik N., OLGUN M., Ye J.

COMPLEX & INTELLIGENT SYSTEMS , cilt.8, ss.1703-1721, 2022 (SCI-Expanded)

18. Cosine and Cotangent Similarity Measures Based on Choquet Integral for Spherical Fuzzy Sets and Applications to Pattern Recognition

ÜNVER M., OLGUN M., TÜRKARSLAN E.

Journal of Computational and Cognitive Engineering , cilt.1, sa.1, 2022 (Hakemli Dergi)

19. Consistency Fuzzy Sets and a Cosine Similarity Measure in Fuzzy Multiset Setting and Application to Medical Diagnosis

Turkarslan E., Ye J., ÜNVER M., OLGUN M.

MATHEMATICAL PROBLEMS IN ENGINEERING , cilt.2021, 2021 (SCI-Expanded, Scopus)

20. Pythagorean fuzzy points and applications in pattern recognition and Pythagorean fuzzy topologies

OLGUN M., ÜNVER M., YARDIMCI Ş.

SOFT COMPUTING , cilt.25, sa.7, ss.5225-5232, 2021 (SCI-Expanded, Scopus)

21. q-Rung Orthopair Fuzzy Topological Spaces

Turkarslan E., ÜNVER M., OLGUN M.

LOBACHEVSKII JOURNAL OF MATHEMATICS , cilt.42, sa.2, ss.470-478, 2021 (ESCI, Scopus)

22. 2-Additive Choquet Similarity Measures For Multi-Period Medical Diagnosis in Single-Valued Neutrosophic Set Setting

OLGUN M., Türkarslan E., ÜNVER M., Ye J.

Neutrosophic Sets and Systems , cilt.45, ss.8-25, 2021 (Scopus)

23. A Cosine Similarity Measure Based on the Choquet Integral for Intuitionistic Fuzzy Sets and Its Applications to Pattern Recognition

OLGUN M., Türkarslan E., ÜNVER M., Ye J.

INFORMATICA , sa.4, ss.849-864, 2021 (SCI-Expanded, Scopus)

24. A new result of prešić type theorems with applications to second order boundary value problems

Altun I., Qasim M., OLGUN M.

Filomat , cilt.35, sa.7, ss.2257-2266, 2021 (SCI-Expanded, Scopus)

25. MAIA TYPE FIXED POINT RESULTS FOR MULTIVALUED F-CONTRACTIONS

OLGUN M., Alyildiz T., Bicer O., Altun I.

Miskolc Mathematical Notes , cilt.22, sa.2, ss.819-829, 2021 (SCI-Expanded, Scopus)

26. An existence and uniqueness theorem for a fractional boundary value problem via new fixed point results on quasi metric spaces

Altun I., OLGUN M.

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION , cilt.91, 2020 (SCI-Expanded, Scopus)

27. Fixed point results for Perov type F-contractions and an application

Altun I., OLGUN M.

JOURNAL OF FIXED POINT THEORY AND APPLICATIONS , cilt.22, sa.2, 2020 (SCI-Expanded, Scopus)

28. A PRE-SUBADDITIVE FUZZY MEASURE MODEL AND ITS THEORETICAL INTERPRETATION

ÜNVER M., ÖZÇELİK G., OLGUN M.

TWMS JOURNAL OF APPLIED AND ENGINEERING MATHEMATICS , cilt.10, sa.1, ss.270-278, 2020 (ESCI, Scopus, TRDizin)

29. SOME RELATED FIXED POINT THEOREMS FOR MULTIVALUED MAPPINGS ON TWO METRIC SPACES

BICER O., OLGUN M., ALYILDIZ T., ALTUN I.

CARPATHIAN MATHEMATICAL PUBLICATIONS , cilt.12, sa.2, ss.392-400, 2020 (ESCI, Scopus)

30. Pythagorean fuzzy topological spaces

OLGUN M., ÜNVER M., YARDIMCI Ş.

COMPLEX & INTELLIGENT SYSTEMS , cilt.5, sa.2, ss.177-183, 2019 (SCI-Expanded)

31. A Related Fixed Point Theorem for F-Contractions on Two Metric Spaces

OLGUN M., Bicer O., Alyildiz T., ALTUN İ.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.48, sa.1, ss.150-156, 2019 (SCI-Expanded, Scopus, TRDizin)

32. Some new types multivalued F-contractions on quasi metric spaces and their fixed points

HANÇER H. A., OLGUN M., ALTUN İ.

CARPATHIAN JOURNAL OF MATHEMATICS , cilt.35, sa.1, ss.41-50, 2019 (SCI-Expanded, Scopus)

33. P-CONTRACTIVE MAPPINGS ON METRIC SPACES

ALTUN İ., DURMAZ G., OLGUN M.

JOURNAL OF NONLINEAR FUNCTIONAL ANALYSIS , cilt.2018, 2018 (ESCI, Scopus)

34. A fuzzy measure theoretical approach for multi criteria decision making problems containing sub-criteria

ÜNVER M., ÖZÇELİK G., OLGUN M.

JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , cilt.35, sa.6, ss.6461-6468, 2018 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

35. Classification of completeness of quasi metric space and some fixed point results

Altun I., Minak G., OLGUN M.

Nonlinear Functional Analysis and Applications , cilt.22, sa.2, ss.371-384, 2017 (Scopus)

36. Fixed Point Results for F-contractions on Space with Two Metrics

OLGUN M., Alyildiz T., Bicer O., Altun I.

FILOMAT , cilt.31, sa.17, ss.5421-5426, 2017 (SCI-Expanded, Scopus)

37. Fixed points of F-contractive type fuzzy mappings

Minak G., ALTUN İ., OLGUN M.

JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , cilt.33, sa.3, ss.1435-1439, 2017 (SCI-Expanded, Scopus)

38. Numerical computation and properties of the two dimensional exponential integrals

YARDIMCI Ş., OLGUN M., Can C.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.45, sa.2, ss.483-495, 2016 (SCI-Expanded, Scopus, TRDizin)

39. A new approach to the Assad-Kirk fixed point theorem

ALTUN İ., OLGUN M., Minak G.

JOURNAL OF FIXED POINT THEORY AND APPLICATIONS , cilt.18, sa.1, ss.201-212, 2016 (SCI-Expanded, Scopus)

40. A NEW APPROACH TO MIZOGUCHI-TAKAHASHI TYPE FIXED POINT THEOREMS

OLGUN M., Minak G., ALTUN İ.

JOURNAL OF NONLINEAR AND CONVEX ANALYSIS , cilt.17, sa.3, ss.579-587, 2016 (SCI-Expanded, Scopus)

41. Fixed points of multivalued nonlinear F-contractions on complete metric spaces

ALTUN İ., Minak G., OLGUN M.

NONLINEAR ANALYSIS-MODELLING AND CONTROL , cilt.21, sa.2, ss.201-210, 2016 (SCI-Expanded, Scopus)

42. Matrix Sturm-Liouville operators with boundary conditions dependent on the spectral parameter

Katar D., OLGUN M., Coskun C.

JOURNAL OF NONLINEAR SCIENCES AND APPLICATIONS , cilt.9, sa.2, ss.435-442, 2016 (SCI-Expanded, Scopus)

43. A new aspect to Picard operators with simulation functions

OLGUN M., Bicer O., Alyildiz T.

TURKISH JOURNAL OF MATHEMATICS , cilt.40, sa.4, ss.832-837, 2016 (SCI-Expanded, Scopus, TRDizin)

44. Non-selfadjoint matrix Sturm-Liouville operators with eigenvalue-dependent boundary conditions

OLGUN M.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.44, sa.3, ss.607-614, 2015 (SCI-Expanded, Scopus, TRDizin)

45. ON A NEW CLASS OF MULTIVALUED WEAKLY PICARD OPERATORS ON COMPLETE METRIC SPACES

ALTUN İ., OLGUN M., Minak G.

TAIWANESE JOURNAL OF MATHEMATICS , cilt.19, sa.3, ss.659-672, 2015 (SCI-Expanded, Scopus)

46. A new approach to fixed point theorems for multivalued contractive maps

Minak G., OLGUN M., ALTUN İ.

CARPATHIAN JOURNAL OF MATHEMATICS , cilt.31, sa.2, ss.241-248, 2015 (SCI-Expanded, Scopus)

47. Principal functions of non selfadjoint matrix Sturm Liouville operators with boundary conditions dependent on the spectral parameter

Coskun C., Katar D., OLGUN M.

Communications Faculty of Sciences University of Ankara Series A 1: Mathematics and Statistics , cilt.63, ss.25-34, 2014 (Hakemli Dergi)

48. Investigation of the spectrum and the Jost solutions of discrete Dirac system on the whole axis

AYGAR KÜÇÜKEVCİLİOĞLU Y., OLGUN M.

JOURNAL OF INEQUALITIES AND APPLICATIONS , cilt.2014, 2014 (SCI-Expanded, Scopus)

49. PRINCIPAL FUNCTIONS OF MATRIX STURM-LIOUVILLE OPERATORS WITH BOUNDARY CONDITIONS DEPENDENT ON THE SPECTRAL PARAMETER

Katar D., OLGUN M., Coskun C.

MISKOLC MATHEMATICAL NOTES , cilt.15, sa.2, ss.525-535, 2014 (SCI-Expanded)

50. Principal Functions of Nonselfadjoint Discrete Dirac Equations with Spectral Parameter in Boundary Conditions

AYGAR KÜÇÜKEVCİLİOĞLU Y., OLGUN M., KÖPRÜBAŞI T.

ABSTRACT AND APPLIED ANALYSIS , cilt.2012, 2012 (SCI-Expanded, Scopus)

51. Principal Functions of Non-Selfadjoint Difference Operator with Spectral Parameter in Boundary Conditions

OLGUN M., Koprubasi T., AYGAR KÜÇÜKEVCİLİOĞLU Y.

ABSTRACT AND APPLIED ANALYSIS , cilt.2011, 2011 (SCI-Expanded, Scopus)

52. Principal functions of non-selfadjoint matrix Sturm-Liouville equations

Coskun C., OLGUN M.

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS , cilt.235, sa.16, ss.4834-4838, 2011 (SCI-Expanded, Scopus)

53. Jost Solution and the Spectrum of the Discrete Dirac Systems

BAYRAM E., AYGAR KÜÇÜKEVCİLİOĞLU Y., OLGUN M.

BOUNDARY VALUE PROBLEMS , cilt.2010, 2010 (SCI-Expanded, Scopus)

54. Non-selfadjoint matrix Sturm-Liouville operators with spectral singularities

OLGUN M., Coskun C.

APPLIED MATHEMATICS AND COMPUTATION , cilt.216, sa.8, ss.2271-2275, 2010 (SCI-Expanded, Scopus)

Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler 25

1. Circular Pythagorean Fuzzy Choquet Integral Operators and Applications to Multi-criteria Decision Making

BOZYİĞİT M. C., ÜNVER M., OLGUN M.

International Conference on Intelligent and Fuzzy Systems, INFUS 2024, Çanakkale, Türkiye, 16 - 18 Temmuz 2024, cilt.1090 LNNS, ss.635-643, (Tam Metin Bildiri)

2. A Vector Valued Similarity Measure Based on the Choquet Integral for Intuitionistic Fuzzy Sets and Its Application to Pattern Recognition

Türkarslan E., ÜNVER M., OLGUN M.

International Conference on Intelligent and Fuzzy Systems, INFUS 2021, İstanbul, Türkiye, 24 - 26 Ağustos 2021, cilt.308, ss.84-92, (Tam Metin Bildiri)

3. On Mizoguchi-Takahashi’s Type Set Valued (alpha-theta) Contractions

DURMAZ G., ASLAN HANÇER H., OLGUN M., ALTUN İ.

INTERNATIONAL CONFERENCE ON ANALYSIS AND ITS APPLICATIONS, 11 - 14 Eylül 2018, ss.32-37, (Tam Metin Bildiri)

4. THE EFFECT OF F-CONTRACTIVENESS ON MULTIVALUED MAPS FOR FIXED POINTS

OLGUN M., ALTUN İ.

3rd INTERNATIONAL CONFERENCE ON SCIENCE, ECOLOGY AND TECHNOLOGY, Roma, 14 - 16 Ağustos 2017, (Özet Bildiri)

5. On A New Class of Multivalued Weakly Picard Operators

OLGUN M., ALTUN İ., MINAK G.

3rd International Researchers, Statisticians and Young Statisticians Congress, Konya, Türkiye, 24 - 26 Mayıs 2017, (Özet Bildiri)

6. A Related Fixed Point Theorems With F-Contraction On Two Metric Spaces

OLGUN M., BİÇER Ö., ALYILDIZ T., ALTUN İ.

INTERNATIONAL CONFERENCE ON MATHEMATICS AND ENGINEERING, İstanbul, Türkiye, 10 - 12 Mayıs 2017, (Özet Bildiri)

7. A Fixed Point Result on Metric Spaces with Simulation Functions

OLGUN M., ALYILDIZ T., BİÇER Ö.

INTERNATIONAL CONFERENCE ON MATHEMATICS AND ENGINEERING, İstanbul, Türkiye, 10 - 12 Mayıs 2017, (Özet Bildiri)

8. Fixed point results for admissible mappings on quasi metric spaces

ALTUN İ., OLGUN M., ACAR Ö.

3rd International Conference on Engineering and Natural Sciences, 3 - 07 Mayıs 2017, (Özet Bildiri)

9. New Fixed Point Theorems For Multivalued Mappings On Quasi Metric Space

ALTUN İ., OLGUN M., ACAR Ö.

3rd International Conference on Engineering and Natural Sciences, 3 - 07 Mayıs 2017, (Özet Bildiri)

10. Multivalued Contractive Maps And Some Fixed Point Results

OLGUN M., ALTUN İ., DURMAZ G.

3 r d I N T E R N A T I O N A L C O N F E R E N C E O N E N G I N E E R I N G A N D N A T U R A L S C I E N C E S, Budapest, Macaristan, 3 - 07 Mayıs 2017, (Özet Bildiri)

11. Multivalued Weakly Picard Operators On Complete Metric Spaces

OLGUN M., ALTUN İ., DURMAZ G.

3 r d I N T E R N A T I O N A L C O N F E R E N C E O N E N G I N E E R I N G A N D N A T U R A L S C I E N C E S, Budapest, Macaristan, 3 - 07 Mayıs 2017, (Özet Bildiri)

12. Fixed Point Results for F-Contractions on Space with Two Metrics

OLGUN M., ALYILDIZ T., BİÇER Ö., ALTUN İ.

NTERNATIONAL WORKSHOP ON MATHEMATICAL METHODS IN ENGINEERING, Ankara, Türkiye, 27 - 29 Nisan 2017, (Özet Bildiri)

13. The Relations Between F-contractions and Weakly Picard Operators

DURMAZ G., ALTUN İ., OLGUN M.

NTERNATIONAL WORKSHOP ON MATHEMATICAL METHODS IN ENGINEERING, Ankara, Türkiye, 27 - 29 Nisan 2017, (Özet Bildiri)

14. New Fixed Point Results for P-Contractive Mappings on Metric Spaces

ALTUN İ., DURMAZ G., OLGUN M., MINAK G.

NTERNATIONAL WORKSHOP ON MATHEMATICAL METHODS IN ENGINEERING, Ankara, Türkiye, 27 - 29 Nisan 2017, (Özet Bildiri)

15. New fixed point theorems for multivalued contractive maps

OLGUN M.

1124th meeting of the American Mathematical Society-NC Raleigh, Amerika Birleşik Devletleri, 12 - 13 Kasım 2016, (Özet Bildiri)

16. Some fixed point theorems for multivalued contractive maps in metric spaces

OLGUN M.

31 st Summer Conference on Topology and Its Applications, 2 - 05 Ağustos 2016, (Özet Bildiri)

17. A new aspect to Picard operators with simulation functions

BİÇER Ö., OLGUN M., ALYILDIZ T.

International Conference on Applied Mathematics and Analysis (ICAMA2016), 11 - 13 Temmuz 2016, (Özet Bildiri)

18. Some relations between recent fixed point results on metric space

DURMAZ G., OLGUN M.

VI Congress of Mathematicians of Macedonia, 15 - 18 Haziran 2016, (Özet Bildiri)

19. Eigenvalues And Spectral Singularities Of Non selfadjoint Matrix Sturm Liouville Operators With Eigenvalue dependent Boundary Conditions

OLGUN M.

3rd International Conference on Recent Advances in Pure and Applied Mathematics (ICRAPAM 2016), 19 - 23 Mayıs 2016, (Özet Bildiri)

20. Principal Vectors of Matrix-Valued Difference Operators

AYGAR KÜÇÜKEVCİLİOĞLU Y., OLGUN M.

3rd International Conference on Applied Mathematics and Approximation Theory (AMAT), Ankara, Türkiye, 28 - 31 Mayıs 2015, cilt.155, ss.247-257, (Tam Metin Bildiri)