Metrikler
Biyografi
YAYINLAR
52. Aydoğan, B., Olgun, M., Smarandache, F., and Ünver, M., A decision-making approach incorporating TODIM method and sine entropy in q-rung picture fuzzy set setting, J. Appl. Math. 2024, 3798588.
51. Ünver, M., and Olgun, M., $q$-rung orthopair picture fuzzy topological spaces and parameter-dependent continuity: control system applications, Math. Probl. Eng. 2023, 8848196
50. Bozyigit , M. C., Olgun M., and Ünver, M., Circular Pythagorean fuzzy sets and applications to multi-criteria decision making, Informatica, 2023, 34(4), 713–742.
49. 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. 2023, 56, 3173–3204.
48. Harish Garg, Mehmet Ünver, Büşra Aydoğan, Murat Olgun (2023) An extended TOPSIS and entropy measure based on Sugeno integral in Pythagorean fuzzy set setting, Journal of Intelligent & Fuzzy Systems 2023, 45(2), 2537-2549.
47. Harish Garg , Murat Olgun , Mehmet Ünver , Ezgi Türkarslan (2023) An extension of CODAS method for multi-criteria group decision making with complex intuitionistic fuzzy information via Dombi sine weighted arithmetic aggregation operators, Granular Computing 2023, 8, 1467–1480.
46. Mehmet Ünver, Murat Olgun (2023) Continuous function valued q-rung orthopair fuzzy sets and an extended TOPSIS, International Journal of Fuzzy Systems 2023, 25, 2203–2217.
45. Ezgi Türkarslan, Jun Ye, Mehmet Ünver and Murat Olgun (2023) Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making, Iranian Journal of Fuzzy Systems (2023, 20(4), 39-56.
44. Mahmut Can Bozyigit , Murat Olgun , Florentin Smarandache, Mehmet Ünver (2023) A new type of neutrosophic set in Pythagorean Fuzzy environment and Applications to multi-criteria decision making, International Journal of Neutrosophic Science, Vol. 20 , No. 2 ,: 107-134 (Doi : https://doi.org/10.54216/IJNS.200208)
43. Ünver, Mehmet, Türkarslan, Ezgi, Ye, Jun and Olgun, Murat (2023).Linguistic Single And Interval-Valued Hybrid Intuitionistic Fuzzy Multi-Sets And Applications To Multi-Criteria Group Decision Making, J. Mult.-Valued Log. Soft Comput. 2023, 41(1-2), 1-20.
42. Ünver, Mehmet, Olgun, Murat and Garg, Harish, (2023). An Information Measure Based Extended Vikor Method In Intuitionistic Fuzzy Valued Neutrosophic Value Setting For Multi-Criteria Group Decision Making, Sci. Iran.https://doi.org/10.24200/SCI.2022.60039.6562
41. Garg, Harish, Olgun, Murat, Türkarslan, Ezgi and Ünver, Mehmet (2022). A Choquet Integral Based Cosine Similarity Measure For Interval-Valued Intuitionistic Fuzzy Sets And An Application To Pattern Recognition. Lobachevskii J. Math., 43, 2444–2452.
40. Ye Jun, Türkarslan Ezgi, Ünver Mehmet, Olgun Murat
(2022). Algebraic And Einstein Weighted
Operators Of Neutrosophic Enthalpy Values For Multi-Criteria Decision Making In
Neutrosophic Multi-Valued Set Settings.
Granular Computing, 7 (3), 479-487.
39. Olgun Murat, Türkarslan Ezgi, Ye Jun, Ünver Mehmet (2022). Single And Interval-Valued Hybrid Enthalpy
Fuzzy Sets And A Topsis Approach For Multicriteria Group Decision Making. Mathematical Problems In Engineering, 2022,
Doi: 10.1155/2022/2501321
38. Ünver Mehmet, Olgun Murat, Türkarslan Ezgi
(2022). Cosine And Cotangent Similarity
Measures Based On Choquet Integral For Spherical Fuzzy Sets And Applications To
Pattern Recognition. Journal Of
Computational And Cognitive Engineering, 1(1), Doi:
10.47852/Bonviewjcce2022010105
37. Ünver Mehmet, Türkarslan Ezgi, Çelik Nuri, Olgun
Murat, Ye Jun (2022). Intuitionistic
Fuzzy-Valued Neutrosophic Multi-Sets And Numerical Applications To
Classification. Complex&Intelligent
Systems, 8(2), 19, Doi: 10.1007/S40747-021-00621-5
36. Olgun Murat, Alyıldız Tuğçe, Biçer Ödemiş Özge,Altun İshak
(2021) Maia Type Fixed Point Results For
Multivalued F-Contractions. Miskolc
Mathematical Notes, 22 (2), 819-829.
35. Türkarslan Ezgi, Ünver Mehmet, Olgun Murat
(2021). Q-Rung Orthopair Fuzzy
Topological Spaces. Lobachevskii Journal
Of Mathematics, 42, 470-478., Doi: 10.1134/S1995080221020219
34. Olgun Murat, Ünver Mehmet, Yardimci Şeyhmus (2021). Pythagorean Fuzzy Points and Applications In
Pattern Recognition And Pythagorean Fuzzy Topologies. Soft Computing, 25 (7), 5225-5232 Doi:
10.1007/S00500-020-05522-2
33. Olgun Murat, Türkarslan Ezgi, Ünver Mehmet, Ye Jun (2021). A Cosine Similarity Measure Based on The
Choquet Integral For Intuitionistic Fuzzy Sets And Its Applications To Pattern
Recognition. Informatica, 32 (4), 849-864, Doi:
10.15388/21-Infor460
32. Olgun Murat, Türkarslan Ezgi, Ünver Mehmet, Ye Jun (2021). 2-Additive Choquet Similarity Measures for
Multi-Period Medical Diagnosis In Single-Valued Neutrosophic Set Setting. Neutrosophic Sets And Systems, 45 (1), 2.
31. Türkarslan Ezgi, Ye Jun, Ünver Mehmet, Olgun Murat
(2021). Consistency Fuzzy Sets And A
Cosine Similarity Measure In Fuzzy Multiset Setting And Application To Medical
Diagnosis. Mathematical Problems In
Engineering, 2021, Doi: 10.1155/2021/9975983
30. Altun İshak, Qasim Muhammad, Olgun Murat
(2021). A New Result Of Prešić Type
Theorems With Applications To Second Order Boundary Value Problems. Filomat, 35, 2257-2266., Doi:
10.2298/Fil2107257a
29. Biçer Ödemiş Özge, Olgun Murat,Alyıldız
Tuğçe,Altun İshak (2020). Some Related
Fixed Point Theorems For Multivalued Mappings On Two Metric Spaces. Carpathian Mathematical Publications, 12(2),
392-400., Doi: 10.15330/Cmp.12.2.392-400
28. Altun İshak, Olgun Murat (2020). An Existence And Uniqueness Theorem For A
Fractional Boundary Value Problem Via New Fixed Point Results On Quasi Metric
Spaces. Communications In Nonlinear
Science And Numerical Simulation, 91(105462), 1-9., Doi:
10.1016/J.Cnsns.2020.105462
27. Altun İshak, Olgun Murat (2020). Fixed Point Results For Perov Type
F-Contractions And An Application.
Journal Of Fixed Point Theory And Applications, 22(46), 1-11., Doi:
10.1007/S11784-020-00779-4.
26. Ünver Mehmet, Özçelik Gökhan, Olgun Murat
(2020). A Pre-Subadditive Fuzzy Measure
Model And Its Theoretical Interpretation.
Twms (Turkic World Mathematical Society) Journal Of Applied And
Engineering Mathematics, 10(1), 270-278.
25. Olgun Murat, Biçer Ödemiş Özge, Alyıldız Tuğçe, Altun İshak
(2019). A Related Fixed Point Theorem
For F-Contractions On Two Metric Spaces.
Hacettepe Journal Of Mathematics And Statistics, 48(1), 150-156., Doi:
10.15672/Hjms.2017.517.
24. Olgun Murat, Ünver Mehmet, Yardimci Şeyhmus (2019). Pythagorean Fuzzy Topological Spaces. Complex &Amp; Intelligent Systems, 5(2),
177-183., Doi: 10.1007/S40747-019-0095-2
23. Aslan Hançer Hatice, Olgun Murat,Altun İshak
(2019). Some New Types Multivalued
F-Contractions On Quasi Metric Spaces And Their Fixed Points. Carpathian Journal Of Mathematics, 35(1),
41-50.
22. Ünver Mehmet,Özçelik Gökhan,Olgun Murat
(2018). A Fuzzy Measure Theoretical
Approach For Multi Criteria Decision Making Problems Containing
Sub-Criteria. Journal Of
Intelligent Fuzzy Systems, 35(6),
6461-6468.
21. Altun İshak,Durmaz Gonca,Olgun Murat
(2018). P-Contractive Mappings On Metric
Spaces. Journal Of Nonlinear Functional
Analysis, 2018(1), 1-7., Doi: 10.23952/Jnfa.2018.43.
20. Olgun Murat,Alyildiz Tuğçe,Biçer Özge,Altun İshak (2017). Fixed Point Results For F-Contractions On
Space With Two Metrics. Filomat, 31(17),
5421-5426.
19. Minak Gülhan,Altun İshak,Olgun Murat
(2017). Fixed Points Of F-Contractive
Type Fuzzy Mappings. Journal Of
Intelligent Fuzzy Systems, 33(3),
1435-1439., Doi: 10.3233/Jifs-162365.
18. Altun İshak,Minak Gülhan,Olgun Murat
(2017). Classification Of Completeness
Of Quasi Metric Space And Some Fixed Point Results. Nonlinear Functional Analysis And
Applications, 22(2), 371-384.
17.Katar Deniz,Olgun Murat,Coşkun Cafer
(2016). Matrix Sturm Liouville Operators
With Boundary Conditions Dependent On The Spectral Parameter. The Journal Of Nonlinear Sciences And
Applications, 9(2), 435-442.
16.Altun İshak,Olgun Murat,Minak Gülhan
(2016). A New Approach To The Assad Kirk
Fixed Point Theorem. Journal Of Fixed
Point Theory And Applications, 18(1), 201-212., Doi: 10.1007/S11784-015-0270-Z.14.
15. Altun İshak,Minak Gülhan,Olgun Murat
(2016). Fixed Points Of Multivalued
Nonlinear F Contractions On Complete Metric Spaces. Nonlinear Analysis-Modelling And Control,
21(2), 201-210., Doi: 10.15388/Na.2016.2.4.
14. Yardimci Şeyhmus,Olgun Murat,Can Çağla
(2016). Numerical Computation And
Properties Of The Two Dimensional Exponential Integrals. Hacettepe Journal Of Mathematics And
Statistics, 2(45), 483-495., Doi: 10.15672/Hjms.20164512505.
13. Olgun Murat,Biçer Özge,Alyıldız Tuğçe (2016). A New Aspect To Picard Operators With Simulation
Functions. Turkish Journal Of
Mathematics, 40, 832-837., Doi: 10.3906/Mat-1505-26.
12. Olgun Murat,Minak Gülhan,Altun İshak (2016). A New Approach To Mizoguchi Takahashi Type
Fixed Point Theorems. Journal Of
Nonlinear And Convex Analysis, 17(3), 579-587.
11. Minak Gülhan,Olgun Murat,Altun İshak
(2015). A New Approach To Fixed Point
Theorems For Multivalued Contractive Maps.
Carpathian Journal Of Mathematics, 31(3), 241-248.
10 Altun İshak,Olgun Murat,Minak Gülhan
(2015). On A New Class Of Multivalued
Weakly Picard Operators On Complete Metric Spaces. Taiwanese Journal Of Mathematics, 19(3),
659-672., Doi: 10.11650/Tjm.19.2015.4752.
9. Olgun Murat (2015). Non
Selfadjoint Matrix Sturm Liouville Operators With Eigenvalue Dependent Boundary
Conditions. Hacettepe Journal Of
Mathematics And Statistics, 44(3), 607-614., Doi: 10.15672/Hjms.2015449424.
8. Coskun Cafer, Katar Deniz, Olgun Murat
(2014). Principal Functions Of Non
Selfadjoint Matrix Sturm Liouville Operators With Boundary Conditions Dependent
On The Spectral Parameter.
Communications Faculty Of Sciences University Of Ankara Series A 1:
Mathematics And Statistics , 63, 25-34.
7. Deniz Katar,Olgun Murat,Coskun Cafer
(2014). Principal Functions Of Matrix
Sturm Liouvilleoperators With Boundary Conditions Dependent Onthe Spectral
Parameter. Miskolc Mathematical Notes,
15(2), 525-535.
6. Aygar Yelda, Olgun Murat (2014). Investigation Of The Spectrum And The Jost
Solutions Of Discrete Dirac System On The Whole Axis. Journal Of Inequalities And Applications,
2014(73), 1-9., Doi: 10.1186/1029-242x-2014-73.
5. Aygar Küçükevcilioğlu Yelda,Olgun Murat,Köprübaşi
Turhan (2012). Principal Functions Of
Nonselfadjoint Discrete Dirac Equations With Spectral Parameter In Boundary
Conditions. Abstract And Applied
Analysis, 2012(2012), 1-15., Doi: 10.1155/2012/924628.
4. Olgun Murat , Koprubasi Turhan , Aygar Yelda (2011). Principal Functions Of Non Selfadjoint Difference Operator With Spectralparameter In Boundary Conditions. Abstract And Applied Analysis, 2011(2011), 1-10., Doi: 10.1155/2011/608329.
3. Cafer Coşkun,Olgun Murat (2011). Principal Functions Of Non Selfadjoint Matrix Sturm Liouville Equations. Journal Of Computational And Applied Mathematics, 235(16, Si), 4834-4838., Doi: 10.1016/J.Cam.2010.12.004.
2. Bayram Elgiz, Aygar Küçükevcilioğlu Yelda,Olgun Murat (2010). Jost Solution And The Spectrum Of The Discrete Dirac Systems. Boundary Value Problems, 2010(2010), 1-11., Doi: 10.1155/2010/306571.
1. Olgun Murat , Coskun Cafer (2010). Non Selfadjoint Matrix Sturm Liouville Operators With Spectral Singularities. Applied Mathematics And Computation, 216(8), 2271-2275., Doi: 10.1016/J.Amc.2010.03.062
KİTAP BÖLÜMLERİ
2. Ezgi Türkarslan,
Murat Olgun, Mehmet Ünver, Şeyhmus Yardimci Chapter 11. 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 Editor: Harish
Garg (2021).
3. Türkarslan, Ezgi,
Olgun, Murat., Ünver, Mehmet, & Yardimci, S.. Some Trigonometric Similarity
Measures Based on the Choquet Integral for Pythagorean Fuzzy Sets and
Applications to Pattern Recognition. Pythagorean Fuzzy Sets: Theory and
Applications, (2021) 83.
4. Ezgi Türkarslan, Mehmet Ünver, Murat Olgun, 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, (2022), 308, pp. 84–92. Doi: 10.1007/978-3-030-85577-2_10.
5.
AKADEMİK ZİYARETLER
1 University of Missouri
-USA (01-09-2012 / 30-11-2012)
2 Universität Osnabrück -Germany (21-05-2012 / 25-05-2012)
ÜYELİKLER
American Mathematical
Society, 2016-*.
İletişim
- E-posta
- olgun@ankara.edu.tr
- Web Sayfası
- https://avesis.ankara.edu.tr/olgun
- İş Telefonu
- +90 312 216 8958
- Fax Telefonu
- +90 312 216 8940
- Posta Adresi
- Ankara Üniversitesi Fen Fakültesi Matematik Bölümü Tandoğan ANKARA