İngilizce: 86.25

• Demirtaş, N., Hussain, S., & Dalkılıç, O. (2020). New approaches of inverse soft rough sets and their applications in a decision making problem. Journal of Applied Mathematics and Informatics, 38(3–4), 335–349. https://doi.org/10.14317/jami.2020.335

• Dalkılıç, O., & Demirtaş, N. (2020). Bipolar soft filter. Journal of Universal Mathematics, 3(1), 21–27. https://doi.org/10.33773/jum.679829

• Demirtaş, N., & Dalkılıç, O. (2020). Decompositions of Soft alpha-continuity and Soft A-continuity. Journal of New Theory, 31, 86–94.

• Dalkılıç, O. (2021). Determining the (non-)membership degrees in the range (0,1) independently of the decision-makers for bipolar soft sets. Journal of Taibah University for Science, 15(1), 609–618. https://doi.org/10.1080/16583655.2021.1996800

• Dalkılıç, O. (2021). Relations on neutrosophic soft set and their application in decision making. Journal of Applied Mathematics and Computing, 67, 257–273. https://doi.org/10.1007/s12190-020-01495-5

• Dalkılıç, O. (2021). A novel mathematical model: Virtual intuitionistic fuzzy parameterized soft set. El-Cezeri, 8(3), 1565–1575. https://doi.org/10.31202/ecjse.940871

• Demirtaş, N., & Dalkılıç, O. (2021). Kiralama sektörünün gelişimine yönelik tasarlanan bir matematiksel model. El-Cezeri, 8(3), 1229–1242. https://doi.org/10.31202/ecjse.906148

• Dalkılıç, O. (2021). (α, β)-cuts and inverse (α, β)-cuts in bipolar fuzzy soft sets. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, 70(2), 582–599. https://doi.org/10.31801/cfsuasmas.770623

• Dalkılıç, O., & Demirtaş, N. (2021). Bipolar fuzzy soft D-metric spaces. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, 70(1), 64–73. https://doi.org/10.31801/cfsuasmas.774658

• Dalkılıç, O., & Demirtaş, N. (2021). VFP-soft sets and its application on decision making problems. Journal of Polytechnic, 24(4), 1391–1399. https://doi.org/10.2339/politeknik.685634

• Demirtaş, N., & Dalkılıç, O. (2021). Neutrosophic Extension of N-soft Set and Similarity-Based Decision-Making. Turkish Journal of Mathematics and Computer Science, 13(2), 294–309. https://doi.org/10.47000/tjmcs.930717

• Demirtaş, N., & Dalkılıç, O. (2021). Bipolar soft ordered topology and a new definition for bipolar soft topology. Journal of Universal Mathematics, 4(2), 259–270. https://doi.org/10.33773/jum.886932

• Demirtaş, N., & Dalkılıç, O. (2021). New types of sets in cech closure spaces. Journal of Universal Mathematics, 4(2), 166–171. https://doi.org/10.33773/jum.964785

• Demirtaş, N., & Dalkılıç, O. (2021). Consistency measurement using the artificial neural network of the results obtained with fuzzy topsis method for the diagnosis of prostate cancer. TWMS Journal of Applied and Engineering Mathematics, 11(1), 237–249.

• Dalkılıç, O. (2022). Two novel approaches that reduce the effectiveness of the decision maker in decision making under uncertainty environments. Iranian Journal of Fuzzy Systems, 19(2), 105–117. https://doi.org/10.22111/IJFS.2022.6793

• Dalkılıç, O. (2022). On topological structures of virtual fuzzy parametrized fuzzy soft sets. Complex and Intelligent Systems, 8, 337–348. https://doi.org/10.1007/s40747-021-00378-x

• Dalkılıç, O., & Demirtaş, N. (2022). Decision analysis review on the concept of class for bipolar soft set theory. Computational and Applied Mathematics, 41(5), 1–20. https://doi.org/10.1007/s40314-022-01922-2

• Demirtaş, N., & Dalkılıç, O. (2022). A mathematical model to the inadequacy of bipolar soft sets in uncertainty environment: N-polar soft set. Computational and Applied Mathematics, 41(1), 1–19. https://doi.org/10.1007/s40314-022-01759-9

• Dalkılıç, O. (2022). Approaches that take into account interactions between parameters: pure (fuzzy) soft sets. International Journal of Computer Mathematics, 99(7), 1428–1437. https://doi.org/10.1080/00207160.2021.1978436

• Dalkılıç, O. (2022). A decision-making approach to reduce the margin of error of decision makers for bipolar soft set theory. International Journal of Systems Science, 53(2), 265–274. https://doi.org/10.1080/00207721.2021.1949644

• Dalkılıç, O. (2022). Determining the membership degrees in the range (0, 1) for hypersoft sets independently of the decision-maker. International Journal of Systems Science, 53(8), 1733–1743. https://doi.org/10.1080/00207721.2021.2023686

• Dalkılıç, O. (2022). A novel approach to soft set theory in decision-making under uncertainty. International Journal of Computer Mathematics, 98(10), 1935–1945. https://doi.org/10.1080/00207160.2020.1868445

• Dalkılıç, O. (2022). Generalization of neutrosophic parametrized soft set theory and its applications. Journal of Polytechnic, 25(2), 675–684. https://doi.org/10.2339/politeknik.783237

• Dalkılıç, O. (2022). An Application of VFPFSS’s in Decision Making Problems. Journal of Polytechnic, 25(2), 491–501. https://doi.org/10.2339/politeknik.758474

• Dalkılıç, O. (2022). A more ideal Approach to Uncertainty Problems: VFPIVFSS. Journal of Polytechnic, 25(4), 1661–1669. https://doi.org/10.2339/politeknik.792176

• Dalkılıç, O., & Demirtaş, N. (2022). Combination of the Bipolar Soft Set and Soft Expert Set with an Application in Decision Making. Gazi University Journal of Science, 35(2), 644–657. https://doi.org/10.35378/gujs.828316

• Demirtaş, N., & Dalkılıç, O. (2022). A mathematical analysis of the relationship between the vaccination rate and COVID-19 pandemic in Turkey. Turkish Journal of Forecasting, 6(1), 1–7. https://doi.org/10.34110/forecasting.1077416

• Dalkılıç, O., & Demirtaş, N. (2023). Algorithms for Covid-19 outbreak using soft set theory: estimation and application. Soft Computing, 27(6), 3203–3211. https://doi.org/10.1007/s00500-022-07519-5

• Dalkılıç, O., & Demirtaş, N. (2023). A novel perspective for Q-neutrosophic soft relations and their application in decision making. Artificial Intelligence Review, 56, 1493–1513. https://doi.org/10.1007/s10462-022-10207-3

• Demirtaş, N., & Dalkılıç, O. (2023). Evaluation of medical diagnosis of prostate cancer based on fuzzy TOPSIS-database interaction. Computational and Applied Mathematics, 42(316), 1–13. https://doi.org/10.1007/s40314-023-02454-z

• Demirtaş, N., & Dalkılıç, O. (2023). Binary Bipolar Soft Sets. Boletim da Sociedade Paranaense de Matemática, 41(3), 1–12. https://doi.org/10.5269/bspm.51003

• Demirtaş, N., & Dalkılıç, O. (2023). Separation axioms on near soft topological spaces. Journal of Universal Mathematics, 6(2), 227–238. https://doi.org/10.33773/jum.1150494

• Dalkılıç, O., & Cangül, İ. N. (2024). Determining interactions between objects from different universes: (inverse) object interaction set for binary soft sets. Soft Computing, 28, 12869–12877. https://doi.org/10.1007/s00500-024-10318-9

• Demirtaş, N., Dalkılıç, O., Riaz, M., & Naser Alqura, A. (2024). Mathematical analysis of parameters belonging to the universe in the soft set theory with new distance measures. Journal of Intelligent and Fuzzy Systems, 46(2), 3975–3985. https://doi.org/10.3233/JIFS-234481

• Demirtaş, N., & Dalkılıç, O. (2024). Bipolar fuzzy soft set theory applied to medical diagnosis. Turkish Journal of Mathematics and Computer Science, 16(2), 314–324. https://doi.org/10.47000/tjmcs.1254943

• Dalkılıç, O. (2025). Decision-making approaches focusing on best parameter-object pair for soft set. Neural Computing and Applications, 37, 14521–14539. https://doi.org/10.1007/s00521-025-11211-8

• Dalkılıç, O., & Demirtaş, N. (2025). Similarity measures of neutrosophic fuzzy soft set and its application to decision making. Journal of Experimental and Theoretical Artificial Intelligence, 37(3), 513–529. https://doi.org/10.1080/0952813X.2023.2222720

• Demirtaş, N., Dalkılıç, O., & Riaz, M. (2025). Novel hybrid soft set theories focusing on decision-makers by considering the factors affecting the parameters. Journal of Experimental and Theoretical Artificial Intelligence, 37(5), 769–781. https://doi.org/10.1080/0952813X.2023.2259913

• Stojanović, N., Vučićević, N., & Dalkılıç, O. (2025). Decision-making algorithm based on the scored-energy of neutrosophic soft sets. Afrika Matematika, 36(3), 1–22. https://doi.org/10.1007/s13370-025-01366-x

• Demirtaş, N., Dalkılıç, O., & Şimşekler Dizman, T. (2025). Optimal Parameter Identification in Soft Set Frameworks: A Decision Support Model. Boletim da Sociedade Paranaense de Matemática, 43(3), 1–10. https://doi.org/10.5269/bspm.75996

• Dalkılıç, O. (2025). A Generalization of Neutrosophic Parametrized Hypersoft Sets For Decision Makers. Afyon Kocatepe University Journal of Science and Engineering, 25(1), 81–88. https://doi.org/10.35414/akufemubid.1364511

• Dalkılıç, O. (2025). Innovative decision-making with VFP-soft sets: A comparative analysis. Turkish Journal of Science and Technology, 20(1), 109–119. https://doi.org/10.55525/tjst.1375167

• Dalkılıç, O., & Demirtaş, N. (2021). Algebraic operations of virtual fuzzy parameterized soft sets and their application in decision-making. Cumhuriyet Science Journal, 42(4), 878–889. http://dx.doi.org/10.17776/csj.917331

• Dalkılıç, O. (2022). A novel mathematical approach to uncertainty problems: VFPIFS-set. Gümüşhane University Journal of Science and Technology, 12(2), 614–623. https://doi.org/10.17714/gumusfenbil.870783

• Dalkılıç, O., & Demirtaş, N. (2022). Virtual intuitionistic fuzzy parameterized intuitionistic fuzzy soft sets and their application in decision-making. Gümüşhane University Journal of Science and Technology, 12(3), 769–780. https://doi.org/10.17714/gumusfenbil.993353

• Dalkılıç, O., & Demirtaş, N. (2019, June 7–10). Bipolar Soft Filter. 6th International IFS and Contemporary Mathematics Conference, Mersin, Turkey. [Abstract] https://pps.kaznu.kz/kz/Main/FileShow2/145951/83/3/1175/0//

• Demirtaş, N., & Dalkılıç, O. (2019, July 11–13). An application in the diagnosis of prostate cancer with the help of bipolar soft rough sets. International Conference on Mathematics and Mathematics Education (ICMME 2019), Konya, Turkey. [Abstract] https://theicmme.org/docs/Abstracts_Book/ICMME2019_Abstract_Book.pdf

• Dalkılıç, O., & Demirtaş, N. (2021, June 4–6). Intuitionistic Fuzzy Parameterized Complex Multi-Fuzzy Soft Set. 4th International Conference on Data Science and Applications, Turkey. [Full Text] https://www.icondata.org/uploads/kcfinder/upload/files/ICONDATA21_Full_Text_Book_final.pdf

• Dalkılıç, O., & Demirtaş, N. (2022, March 10–13). Türkiye'de aşılama oranı ile COVID-19 pandemisi arasındaki ilişkinin matematiksel bir analizi. 2nd International Conference on Applied Engineering and Natural Sciences (ICAENS 2022), Konya, Turkey. [Abstract] https://drive.google.com/file/d/1GjCgYCvjlRdXBCmSZb8WE52ZMnZyIkcR/view?pli=1

• Dalkılıç, O., & Demirtaş, N. (2022, November 10–13). Some New Mathematical Models for Uncertainty Problems. 4th International Conference on Applied Engineering and Natural Sciences (ICAENS 2022), Konya, Turkey. [Full Text] https://drive.google.com/file/d/1fPkhMzZ5KeOCZ_ZxHAL3G1WHQUc1wsZF/view

• Güzel Ergül, Z., Demirtaş, N., & Dalkılıç, O. (2023, July 10–12). Analysis of Parameter Relationships Influencing Prostate Cancer using the Soft Set Model. 5th International Conference on Applied Engineering and Natural Sciences, Konya, Turkey. [Full Text] https://drive.google.com/file/d/1xavz-XY2uSdNfNZIvdUYmsIBdxDbE5dQ/view

• Dalkılıç, O., İlhan, E., & Bulut, H. (2024, May 17–19). Comparative Analysis of Rankings and Preference Values for Fuzzy Decision-Making Approaches in Reducing Unnecessary Biopsies. 8th International Conference on Computational Mathematics and Engineering Sciences (CMES), Şanlıurfa, Turkey. [Abstract] https://www.cmescongress.org/wp-content/uploads/2024/05/Program_Book_Oral.pdf

• Dalkılıç, O. (2025, August 22–23). Towards Enhanced Decision-Making under Uncertainty: Type-1 and Type-2 Factor-Based Fuzzy Soft Sets. 8th International Conference on Applied Engineering and Natural Sciences, Konya, Turkey. [Full Text] https://drive.google.com/file/d/1v0CJ7VMnHXoOjFJnwjDxcJl8NtszWNx7/view

🔹 SCI / SCI-E Kapsamındaki Dergiler

• Springer, Computational and Applied Mathematics, 29.12.2022. (Manuscript ID: COAM-D-22-01927)

• Springer, Soft Computing, 12.02.2023. (Manuscript ID: SOCO-D-23-00587)

• Hindawi, Journal of Mathematics, 01.08.2023. (Manuscript ID: 7103282)

• IOS Press, Journal of Intelligent & Fuzzy Systems, 24.05.2023. (Manuscript ID: IFS-232192)

• IOS Press, Journal of Intelligent & Fuzzy Systems, 14.06.2023. (Manuscript ID: IFS-230395R2)

• Elsevier, Heliyon (Q1, Multidisciplinary), 20.05.2024. (Manuscript ID: HELIYON-D-24-26341)

• PLOS, PLOS ONE, 21.02.2025. (Manuscript ID: PONE-D-25-00033)

• Springer, Knowledge and Information Systems, 05.05.2025.

• BMC, Medical Informatics and Decision Making, 13.06.2025.

• BMC, Medical Informatics and Decision Making, 24.06.2025.

• BMC, Medical Informatics and Decision Making, 24.06.2025.

• BMC, Medical Informatics and Decision Making, 24.06.2025.

• Springer, Neural Computing and Applications, 24.06.2025. (Manuscript ID: NCAA-D-25-02427)

• Elsevier, Applied Soft Computing, 07.07.2025. (Manuscript ID: ASOC-D-25-04649)

🔹 Diğer İndeksli Dergiler

• International Journal of Reconfigurable and Embedded Systems (IJRES), Scopus, 06.03.2023. (ID: 20694)

• Dergipark, Ikonion Journal of Mathematics, DRJI & ASOS, 14.06.2023. (ID: 1304566)

• Dergipark, Ikonion Journal of Mathematics, DRJI & ASOS, 24.09.2023. (ID: 1325526)

• Dergipark, Journal of the Institute of Science and Technology, TR Dizin & EBSCO, 03.08.2024. (ID: 1494632)

• Dergipark, Karadeniz Fen Bilimleri Dergisi, TR Dizin, 05.03.2025. (ID: 1618462)

• European Journal of Pure and Applied Mathematics, ESCI–Scopus, 04.03.2025. (ID: 5928)

• European Journal of Pure and Applied Mathematics, ESCI–Scopus, 11.03.2025. (ID: 5900)

• Dergipark, Journal of the Institute of Science and Technology, TR Dizin & EBSCO, 21.04.2025. (ID: 1646500)

• Wiley, Journal of Applied Mathematics, ESCI–Scopus, 28.05.2025. (ID: 7393062)

• Demirtaş N., Dalkılıç O., Yükseköğretim Kurumları Destekli Proje, Belirsizlik problemleri için hibrit matematiksel küme modelleri ve covid-19 pandemisine yönelik karar verme yaklaşımları, Mersin Üniversitesi BAP, Proje No: 2022-2-TP3-4769, Araştırmacı, 10.10.2022-10.10.2023.
• Güzel Ergül, Z., Demirtaş N., Dalkılıç O., Yükseköğretim Kurumları Destekli Proje, Prostat kanseri teşhisi için çok kriterli karar verme, Kırşehir Ahi Evran Üniversitesi BAP, Proje No: FEF.A4.23.011, Araştırmacı, 03.02.2023-02.02.2024 (Tamamlanma Tarihi: 09.05.2024).
• Demirtaş N., Şimşekler Dizman T., Öğüt, M.N., Karaca D., Demirtaş A.,  Dalkılıç O., Erdoğan, E.Ö., Kuşdemir Kayıran B., Akgüneş N., Öztürk, T.Y., Güzel Ergül Z., Agaç G., Gizem Gemici A., Tunçer O., Çakal T., Yapay Zeka Destekli Bulanık Mantık Teorisi ile Günlük Hayat Problemlerinin Çözümü, TÜBİTAK, Proje No:222B197, Eskişehir Teknik Üniversitesi Fen Fakültesi, Eğitmen, https://fuzzylogic.cbu.edu.tr/ (4004 - Doğa Eğitimi ve Bilim Okulları) https://www.bilimsenligi.com/yapay-zeka-destekli-bulanik-mantik-teorisi-ile-gunluk-hayat-problemlerinin-cozumu.html/ (30.12.2022-30.06.2023)(Bilim ve Toplum Başkanlığı Programlar Müdürlüğü, Bilim ve Toplum / 4004 - Doğa Eğitimi ve Bilim Okulları, BİLİM TOPLUM)
• Demirtaş, N., Dalkılıç O., Riaz, M., Al-Quran, A., Uluslararası Destekli Proje, Mathematical analysis of parameters belonging to the universe in the soft set theory with new distance measures, Suudi Arabistan Kral Faysal Üniversitesi, Proje No: GRANT4356 (Bu proje, Suudi Arabistan Kral Faysal Üniversitesi, Bilimsel Araştırma Dekanlığı, Lisansüstü Eğitim ve Bilimsel Araştırma Başkan Yardımcısı tarafından desteklenen bir araştırma projesini temsil etmektedir.) Proje uluslararası olarak desteklenmiştir ve Suudi Arabistan'dan hibe almıştır (Hibe No. GRANT4356).

• Tübitak, 2210-A Genel Yurt İçi Yüksek Lisans Burs Programı 2018/1 tarafından desteklenilmiştir.
• Tübitak, 2211-E Doğrudan Yurt İçi Doktora Burs Programı 2020/1 tarafından desteklenilmiştir.
• Dalkılıç O., Uluslararası Bilimsel Yayınları Teşvik Ödülü, Tübitak, 2021 
• Dalkılıç O., Uluslararası Bilimsel Yayınları Teşvik Ödülü, Tübitak, 2022