Prof. ABDULLAH FATİH &#214;ZCAN

Geçen S., İÇEN İ., Fatih Özcan A.

The Black Sea Journal of Sciences , vol.16, no.1, pp.173-192, 2026 (TRDizin)

2. Covering morphisms of soft groupoids

AIMS Mathematics , vol.11, no.4, pp.11372-11386, 2026 (SCI-Expanded, Scopus)

3. From rough categories to rough groupoids

Beydaği M. M., ÖZCAN A. F., İÇEN İ.

Turkish Journal of Mathematics , vol.49, no.6, pp.808-821, 2025 (SCI-Expanded, Scopus, TRDizin)

4. Actions of R-module groupoids

Filomat , vol.37, no.13, pp.4239-4247, 2023 (SCI-Expanded, Scopus)

5. Topological Group-Groupoids and Equivalent Categories

ÖZCAN A. F., BEYDAĞI M. M., İÇEN İ.

Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi , vol.27, no.3, pp.667-673, 2022 (TRDizin)

6. Comparison of Rough Sets and Local Rough Sets in Data Analysis

New Trends in Mathematical Science , vol.10, no.2, pp.1-13, 2022 (Peer-Reviewed Journal)

7. The Category of Soft Topological Hyperrings

ÖZCAN A. F., İÇEN İ., TAŞBOZAN H.

Turkish Journal of Science , vol.6, no.1, pp.6-13, 2021 (Peer-Reviewed Journal)

8. On Topologies And Generalizes Rough Approximations

Bağırmaz N., ÖZCAN A. F., Taşbozan H., İÇEN İ.

Journal of mathematical and computational science , no.7, pp.642-657, 2017 (Peer-Reviewed Journal)

9. Topologies and approximation operators induced by binary relations

Bağırmaz N., ÖZCAN A. F., Taşbozan H., İÇEN İ.

Journal of mathematical and computational science , no.7, pp.642-657, 2017 (Peer-Reviewed Journal)

10. Soft Sets and Soft Topology on Nearness Approximation Spaces

Tasbozan H., İÇEN İ., Bagirmaz N., ÖZCAN A. F.

FILOMAT , vol.31, no.13, pp.4117-4125, 2017 (SCI-Expanded, Scopus)

11. Topological Rough Groups

Baǧlrmaz N., İÇEN İ., ÖZCAN A. F.

Topological Algebra and its Applications , vol.4, no.1, pp.31-38, 2016 (Scopus)

12. Rough Approximations in a Topological Group

Bağırmaz N., ÖZCAN A. F., İÇEN İ.

general mathematics notes , no.36, pp.1-18, 2016 (Peer-Reviewed Journal)

13. Comparison of near sets by means of a chain of features

ÖZCAN A. F., Bagirmaz N.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , vol.45, no.1, pp.69-76, 2016 (SCI-Expanded, Scopus, TRDizin)

14. Coverings and actions of structured Lie groupoids

Analele Stiintifice ale Universitatii Al I Cuza din Iasi - Matematica , vol.2, no.F2, pp.661-679, 2016 (Scopus)

15. Rough Semigroups on Approximation Spaces

Bağırmaz N., ÖZCAN A. F.

International Journal of Algebra , vol.9, pp.339-350, 2015 (Peer-Reviewed Journal)

16. Actions And Coverings Of Topological Groupoids

İÇEN İ., GÜRSOY M. H., ÖZCAN A. F.

Mathematical Sciences And Applications , vol.1, no.2, pp.72-83, 2013 (Peer-Reviewed Journal)

17. Coverings of Lie groupoids

TURKISH JOURNAL OF MATHEMATICS , vol.35, no.2, pp.207-218, 2011 (SCI-Expanded, Scopus, TRDizin)

18. Topological ring-groupoids and liftings

Ozcan A. F., Icen I., Gursoy M. H.

IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE , vol.30, pp.355-362, 2006 (SCI-Expanded, Scopus)

19. Topological group-groupoids and their coverings

İÇEN İ., ÖZCAN A. F., GÜRSOY M. H.

INDIAN JOURNAL OF PURE MATHEMATICS , vol.36, no.9, pp.493-502, 2005 (SCI-Expanded, Scopus)

20. Topological group-groupoids and their coverings

Icen I., Ozcan A. F., Gursoy M.

INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS , vol.36, no.9, pp.493-502, 2005 (SCI-Expanded, Scopus)

21. The equivalence of topological 2-groupoids and topological crossed modules

Algebras, Groups and Geometries , vol.22, pp.447-456, 2005 (Peer-Reviewed Journal)

22. Topological Crossed Modules and G-Groupoids

İÇEN İ., ÖZCAN A. F.

Algebras, Groups and Geometries , vol.18, pp.401-410, 2001 (Peer-Reviewed Journal)

Papers Presented at Peer-Reviewed Scientific Conferences 40

1. Uncertaintly Management in Artificial Intelligence: Soft Set Theory and Application Areas

10th International Conference on Computational Mathematics and Engineering Sciences, İstanbul, Turkey, 24 April 2026, pp.88, (Summary Text)

2. Rough Set Theory in Multi-Criteria Decision Making

BEYDAĞI M. M., İÇEN İ., ÖZCAN A. F.

10th International Conference on Computational Mathematics and Engineering Sciences, İstanbul, Turkey, 24 April 2026, vol.1, pp.74, (Summary Text)

3. Rough Fields Based on Upper Approximation and Maximal Rough Ideals

Avrasya 15th International Conference on Applied Sciences, Tbilisi, Georgia, 13 - 15 March 2026, pp.169-177, (Full Text)

4. Rough Set Approach and Applications in Artificial Intelligence

Avrasya 15th International Conference on Applied Sciences, Tbilisi, Georgia, 13 - 15 March 2026, pp.405, (Summary Text)

5. Rough Quotient Rings And Homomorphisms Of Rough Rings

9th International Conference on Computational Mathematics and Engineering Sciences, Diyarbakır, Turkey, 17 May 2025, pp.236-244, (Full Text)

6. The Soft Fibre of Groupoids

BEYDAĞI M. M., İÇEN İ., ÖZCAN A. F.

9th International Conference on Computational Mathematics and Engineering Sciences, Diyarbakır, Turkey, 17 May 2025, pp.245-255, (Full Text)

7. Use of Rough Set Theory In Data Mining

9th International Conference on Computational Mathematics and Engineering Sciences, Diyarbakır, Turkey, 17 - 19 May 2025, pp.81, (Summary Text)

8. Soft Set Theory and Various Application Areas

Geçen S., ÖZCAN A. F., İÇEN İ.

9th International Conference on Computational Mathematics and Engineering Sciences, Diyarbakır, Turkey, 17 - 19 May 2025, pp.87, (Summary Text)

9. LOCAL ROUGH EQUALITIES AND LOCAL ROUGH EQUIVALENCES OF SETS

8th International Conferance on Computational Mathematics and Engineering, Şanlıurfa, Turkey, 17 - 19 May 2024, pp.11-23, (Full Text)

10. MODERN SET THEORIES FUZZY, ROUGH, SOFT, NEAR SETS AND THE RELATIONSHIPS BETWEEN THEM

8th International Conferance on Computational Mathematics and Engineering, Şanlıurfa, Turkey, 17 - 19 May 2024, pp.24-37, (Full Text)

11. Properties of Rough Subgrupoids

8th International Conferance on Computational Mathematics and Engineering, Şanlıurfa, Turkey, 17 - 19 May 2024, pp.36, (Summary Text)

12. Grupoid Atlases

BEYDAĞI M. M., ÖZCAN A. F., Geçen S.

8th International Conferance on Computational Mathematics and Engineering, Şanlıurfa, Turkey, 17 - 19 May 2024, pp.38, (Summary Text)

13. Edge Properties of Special Right Triangeles

Anadolu 10th.International Conferance on Applied Sciences, Diyarbakır, Turkey, 15 October 2022, (Summary Text)

14. A Study on Heron’s Triangeles

BEYDAĞI M. M., ÖZCAN A. F., Geçen S.

Anadolu 10th.International Conferance on Applied Sciences, Diyarbakır, Turkey, 15 October 2022, (Summary Text)

15. ZIT KENAR DİK ÜÇGEN

BEYDAĞI M. M., İÇEN İ., ÖZCAN A. F.

EGE 6th INTERNATIONAL CONFERENCE ON APPLIED SCIENCES, İzmir, Turkey, 10 September 2022, pp.126, (Summary Text)

16. ALT-OR-MAT KÖPRÜSÜ

ÖZCAN A. F., BEYDAĞI M. M., İÇEN İ.

EGE 6th INTERNATIONAL CONFERENCE ON APPLIED SCIENCES, İzmir, Turkey, 10 September 2022, pp.125, (Summary Text)

17. Sosyal Medya Bağımlısı Öğrencilerin Kaba Küme Ve Lokal Kaba Küme Modeliyle İncelenmesi

TOKAT 1. Uluslararası Bilimsel Araştırmalar Kongresi, Tokat, Turkey, 20 August 2022, (Summary Text)

18. Global Etki Kavramı

ÖZCAN A. F., Geçen S., Geçen S., İÇEN İ.

TOKAT 1. Uluslararası Bilimsel Araştırmalar Kongresi, Tokat, Turkey, 20 August 2022, (Summary Text)

19. SOFT GLOBAL ETKİ KAVRAMI

ÖZCAN A. F., Geçen S., İÇEN İ.

TOKAT 1. Uluslararası Bilimsel Araştırmalar Kongresi, Tokat, Turkey, 20 August 2022, (Summary Text)

20. Kaba Küme Teorisine Lokal Bir Yaklaşım

ÖZCAN A. F., BEYDAĞI M. M., İÇEN İ.

TOKAT 1. Uluslararası Bilimsel Araştırmalar Kongresi, Tokat, Turkey, 20 August 2022, (Summary Text)

21. ACTIONS OF TOPOLOGICAL RING-GROUPOIDS

9. ULUSLARARASI GAP ZİRVESİ BİLİMSEL ARAŞTIRMALAR KONGRESİ, Adıyaman, Turkey, 01 July 2022, pp.238-241, (Full Text)

22. COVERINGS OF TOPOLOGICAL RING-GROUPOIDS

9. ULUSLARARASI GAP ZİRVESİ BİLİMSEL ARAŞTIRMALAR KONGRESİ, Adıyaman, Turkey, 01 July 2022, pp.232-237, (Full Text)

23. TOPOLOJİK CROSSED MODÜLLER VE TOPOLOJİK HALKA-GRUPOİDLER

2. INTERNATIONAL HASANKEYF SCIENTIFIC STUDIES AND INNOVATION CONGRESS, Mardin, Turkey, 25 June 2022, pp.308-314, (Full Text)

24. CROSSED MODULES AND RİNG-GROUPOİDS

2. INTERNATIONAL HASANKEYF SCIENTIFIC STUDIES AND INNOVATION CONGRESS, Mardin, Turkey, 25 June 2022, pp.301-306, (Full Text)

25. Topological group-groupoids

ÖZCAN A. F., Akçil Ç. G., İÇEN İ.

4th INTERNATIONAL CONFERENCE ON PURE AND APPLIED MATHEMATICS, Van, Turkey, 22 June 2022, (Summary Text)

26. Every global action defines a local equivalence relation

İÇEN İ., ÖZCAN A. F.

4th INTERNATIONAL CONFERENCE ON PURE AND APPLIED MATHEMATICS, Van, Turkey, 22 June 2022, (Summary Text)

27. Action of R-Module Groupoids

International Conference on Mathematics and Mathematics Education, 11 - 13 May 2017, (Summary Text)

28. Direkt Çarpım Gruplarında Yaklaşımlı Altgruplar

ÖZCAN A. F., BAĞIRMAZ N.

XXVI. Ulusal Matematik Sempozyumu, Turkey, 4 - 07 September 2013

29. Topologies and Approximation Operators Induced by Binary Relations

ÖZCAN A. F., BAĞIRMAZ N., TAŞBOZAN H., İÇEN İ.

2 nd International Eurasian Conference On Mathematical Sciences And Applications, 26 - 29 August 2013

30. Near Soft Sets and Near Soft Topology

ÖZCAN A. F., TAŞBOZAN H., BAĞIRMAZ N., İÇEN İ.

2 nd International Eurasian Conference On Mathematical Sciences And Applications, 26 - 29 August 2013

31. Actions and Coverings of Topological Groupoids

ÖZCAN A. F., İÇEN İ., GÜRSOY M. H.

1 nd International Eurasian Conference On Mathematical Sciences And Applications, 3 - 07 September 2012

32. Topolojik Halka Grupoidlerin Örtüleri

II. Türk Dünyası Matematik Sempozyumu, Turkey, 4 - 07 July 2007

33. Lie Grup Grupoidlerin Örtüleri ve Etkileri

İÇEN İ., ÖZCAN A. F., GÜRSOY M. H.

II. Türk Dünyası Matematik Sempozyumu, Turkey, 4 - 07 July 2007

34. Gruplardan Grupoidlere

II. Türk Dünyası Matematik Sempozyumu, Turkey, 4 - 07 July 2007

35. Lie Örtü Grupoidleri

ÖZCAN A. F., İÇEN İ., GÜRSOY M. H.

XIX. Ulusal Matematik Sempozyumu, Turkey, 22 - 25 August 2006

36. Topolojik Halka Grupoidlerin Yükseltmeleri

XVII. Ulusal Matematik Sempozyumu, Turkey, 23 - 26 August 2004

37. Topolojik Grupoidlerin Özel Morfizmleri

İÇEN İ., GÜRSOY M. H., ÖZCAN A. F.

XVII. Ulusal Matematik Sempozyumu, Turkey, 23 - 26 August 2004

38. Topolojik G Grupoidlerin Yükseltmeleri

ÖZCAN A. F., İÇEN İ., GÜRSOY M. H.

XVI. Ulusal Matematik Sempozyumu, Turkey, 10 - 12 September 2003

39. G Uzaylar ve Lie Grupoidler

I. Geometri Sempozyumu, Turkey, 3 - 04 July 2003

40. Topolojik Crossed Modüller ve G Grupoidler