Publication Network
Education Information
2006 - 2011
2006 - 2011Doctorate
Karadeniz Technical University, Fen Bilimleri, Matematik, Turkey
2003 - 2006
2003 - 2006Postgraduate
Karadeniz Technical University, Fen Bilimleri, Matematik, Turkey
1999 - 2003
1999 - 2003Undergraduate
Ataturk University, Fen Edebiyat, Matematik, Turkey
Dissertations
2011
2011Doctorate
Gamma_0 (n) Grubunun Alt Yörüngesel Graflarındaki Q^ Köşeli Minimal Uzunluklu Eğriler
Karadeniz Technical University, Fen Bilimleri Enstitüsü, Matematik
2006
2006Postgraduate
Süreksiz Gruplar ve Graflar
Karadeniz Technical University, Fen Bilimleri Enstitüsü, Matematik
Certificates, Courses and Trainings
2014
2014Temel ve Uygulamalı Bilimlerde Araştırma Projesi Hazırlama Eğitimi
Education Management and Planning
KTÜ Proje Destek Birimi
Research Areas
Architecture, Mathematics, Computer Science, Functions of a Complex Variable, Combinatorics, Mathematics Education, Number Theory, Natural Sciences, Engineering and Technology
Academic Titles / Tasks
2018 - Continues
2018 - ContinuesAssociate Professor
Karadeniz Technical University, Fen Fakültesi, Matematik
2012 - 2018
2012 - 2018Assistant Professor
Karadeniz Technical University, Fen Fakültesi, Matematik
2004 - 2012
2004 - 2012Research Assistant
Karadeniz Technical University, Fen Fakültesi, Matematik
Managerial Experience
2015 - 2018
2015 - 2018Board Member
Karadeniz Technical University, Fen Fakültesi
2013 - 2018
2013 - 2018Head of Department
Karadeniz Technical University, Fen Fakültesi , Matematik
2013 - 2016
2013 - 2016Deputy Head of Department
Karadeniz Technical University, Fen Fakültesi , Matematik
Courses
Advising Theses
2021
2021Doctorate
SOME RELATIONS BETWEEN SPECIAL VERTEX VALUES OF SUBORBITAL GRAPHS AND SPECIAL NUMBER SEQUENCES
Değer A. H. (Consultant)
İ.GÖKCAN(Student)
2021
2021Postgraduate
ALT YÖRÜNGESEL GRAFLARDAKİ MİNİMAL UZUNLUKLU YOLLARIN KÖŞE DEĞERLERİ İLE ÜRETİLEN BAĞINTILAR
Değer A. H. (Consultant)
T.TUYLU(Student)
2016
2016Postgraduate
GAMMA_0(N) GRUBUNUN ALT YÖRÜNGESEL GRAFLARINDAKİ MİNİMAL UZUNLUKLU İMPRİMİTİF HAREKET
Değer A. H. (Consultant)
Ü.AKBABA(Student)
Articles Published in Journals That Entered SCI, SSCI and AHCI Indexes
2022
2022Relation between matrices and the suborbital graphs by the special number sequences
Akbaba Ü. , Değer A. H.
TURKISH JOURNAL OF MATHEMATICS, vol.46, pp.753-767, 2022 (Journal Indexed in SCI)
2017
2017Vertices of Paths of Minimal Lengths on Suborbital Graphs
DEĞER A. H.
FILOMAT, vol.31, no.4, pp.913-923, 2017 (Journal Indexed in SCI)
2015
2015Suborbital graphs for the group Gamma(2)
GÜLER B. Ö. , Besenk M. , KESİCİOĞLU Y., DEĞER A. H.
HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, vol.44, no.5, pp.1033-1044, 2015 (Journal Indexed in SCI)
2013
2013Circuit lengths of graphs for the Picard group
Besenk M. , GÜLER B. Ö. , DEĞER A. H. , Kesicioglu Y.
JOURNAL OF INEQUALITIES AND APPLICATIONS, 2013 (Journal Indexed in SCI)
2011
2011On suborbital graphs and related continued fractions
DEĞER A. H. , Besenk M. , Guler B. O.
APPLIED MATHEMATICS AND COMPUTATION, vol.218, no.3, pp.746-750, 2011 (Journal Indexed in SCI)
2011
2011ELLIPTIC ELEMENTS AND CIRCUITS IN SUBORBITAL GRAPHS
Guler B. Ö. , Besenk M. , DEĞER A. H. , Kader S.
HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, vol.40, no.2, pp.203-210, 2011 (Journal Indexed in SCI)
2010
2010SUBORBITAL GRAPHS FOR A SPECIAL SUBGROUP OF THE NORMALIZER OF Gamma(0) (m)
Kader S., Guler B. Ö. , DEĞER A. H.
IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE, vol.34, pp.305-312, 2010 (Journal Indexed in SCI)
Articles Published in Other Journals
2021
2021Images of Some Discs Under the Linear Fractional Transformation of Special Continued Fractions
Akbaba Ü. , Tuylu T., Değer A. H.
CONFERENCE PROCEEDINGS OF SCIENCE AND TECHNOLOGY, vol.1, no.1, pp.232-237, 2021 (International Conference Book)
2020
2020Investigation of Γ-Invariant Equivalence Relations of Modular Groups and Subgroups
Gökcan İ., Değer A. H.
Conference Proceedings of Science and Technology, vol.3, no.1, pp.110-114, 2020 (National Conference Book)
2020
2020Obtaining Some Identities With thenthPower of a Matrix Under the LorentzianProduct
Gökcan İ., Değer A. H.
Conference Proceedings of Science and Technology, vol.3, no.1, pp.102-109, 2020 (National Conference Book)
2020
2020The Generating Functions for Special Pringsheim Continued Fractions
Akbaba Ü. , Değer A. H.
Communications in Advanced Mathematical Sciences, vol.3, no.2, pp.74-81, 2020 (Refereed Journals of Other Institutions)
2018
2018On Some Connections Between Suborbital Graphs and Special Sequences
AKBABA Ü. , DEĞER A. H. , TUYLU T.
Turkish Journal of Mathematics and Computer Science, vol.10, pp.134-143, 2018 (Refereed Journals of Other Institutions)
2018
2018Some special values of vertices of trees on the suborbital graphs
DEĞER A. H. , AKBABA Ü.
AIP Conference Proceedings, vol.1926, no.20013, pp.1-6, 2018 (Refereed Journals of Other Institutions)
2017
2017Fibonacci Sayıları ile Alt Yörüngesel Grafların Özel Köşeleri Arasındaki İlişkiler
DEĞER A. H.
Gümüşhane Üniversitesi Fen Bilimleri Enstitüsü Dergisi, vol.7, no.2, pp.168-180, 2017 (National Refreed University Journal)
2015
2015Imprimitive action of the normalizer of Gamma_0(N) and suborbital graphs
DEĞER A. H.
AIP Conference Proceedings, vol.1676, no.1, pp.200361-200364, 2015 (Refereed Journals of Other Institutions)
2012
2012An Application of Mathematical Tessellation Method in Interior Designing
ÖZLÜ DEĞER K. , DEĞER A. H.
Procedia - Social and Behavioral Sciences, vol.51, pp.249-256, 2012 (Refereed Journals of Other Institutions)
2012
2012An application on suborbital graphs
BEŞENK M. , DEĞER A. H. , GÜLER B. Ö.
AIP Conf. Proc., no.1470, pp.187-190, 2012 (Refereed Journals of Other Institutions)
2010
2010Conditions to be a forest for normalizer
BEŞENK M. , GÜLER B. Ö. , DEĞER A. H. , Kader S.
International Journal of Math. Analysis, no.33, pp.1635-1643, 2010 (Refereed Journals of Other Institutions)
Refereed Congress / Symposium Publications in Proceedings
2022
2022An Investigation on the Vertices of Fu,N Obtained from Lucas Numbers in Hyperbolic Geometry
Gökcan İ., Değer A. H.
Studies on Scientific Developments in Geometry, Algebra, and Applied Mathematics, Ankara, Turkey, 1 - 03 February 2022, pp.67
2021
2021Images of Some Discs Under the Linear Fractional Transformation of Special Continued Fractions
Akbaba Ü. , Tuylu T., Değer A. H.
18 th International Geometry Symposium, Malatya, Turkey, 12 - 13 July 2021, pp.186
2021
2021Images of Minimal-Length Hyperbolic Paths on the Poincare Disc
Tuylu T., Akbaba Ü. , Değer A. H.
18 th International Geometry Symposium, Malatya, Turkey, 12 - 13 July 2021, pp.187
2020
2020Investigation of 𝜞−Invariant Equivalence Relations of Modular Groups and Subgroups
Gökcan İ., Değer A. H.
3rd INTERNATIONAL E-CONFERENCE ON MATHEMATICAL ADVANCES AND ITS APPLICATIONS, İstanbul, Turkey, 24 - 27 June 2020, pp.106
2020
2020Obtaining Some Identities with the 𝒏th Power of Matrix ( 𝟏 𝟏 −𝟏 𝟎 ) Under The Lorentzian Product
Gökcan İ., Değer A. H.
3rd INTERNATIONAL E-CONFERENCE ON MATHEMATICAL ADVANCES AND ITS APPLICATIONS, İstanbul, Turkey, 24 - 27 June 2020, pp.107
2019
2019CONNECTIONS BETWEEN SPECIAL NUMBER SEQUENCES AND CONTINUED FRACTIONS
Değer A. H. , Köroğlu T.
2. INTERNATIONAL TURKISH WORLD ENGINEERING AND SCIENCE CONGRESS, Antalya, Turkey, 7 - 10 November 2019, pp.558-569
2019
2019PASCAL NUMBERS AND MOBIUS TRANSFORMATIONS
Köroğlu T. , Değer A. H.
2. INTERNATIONAL TURKISH WORLD ENGINEERING AND SCIENCE CONGRESS, Antalya, Turkey, 7 - 10 November 2019, pp.564-569
2019
2019The Farthest Vertices on the Suborbital Graphs via Hyperbolic Geometry
DEĞER A. H. , AKBABA Ü. , Gökcan İ., TUYLU T.
17th International Geometry Symposium, Erzincan, Turkey, 19 - 22 June 2019, pp.130
2019
2019On Suborbital Graphs with Hyperbolic Geodesics and Entries of Matrices from Some Sequences
DEĞER A. H. , AKBABA Ü. , TUYLU T., Gökcan İ.
17th International Geometry Symposium, Erzincan, Turkey, 19 - 22 June 2019, pp.129
2018
2018On Suborbital Graphs and Matrices with Even Fibonacci and Lucas Numbers
AKBABA Ü. , DEĞER A. H.
The Mediterranean International Conference of Pure&Applied Mathematics and Related Areas, Antalya, Turkey, 26 - 29 October 2018, pp.64
2018
2018On Suborbital Graphs and Related Sequences
DEĞER A. H. , AKBABA Ü. , TUYLU T.
INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN PURE AND APPLIED MATHEMATICS, Trabzon, Turkey, 23 - 27 July 2018, pp.68
2018
2018The Generating Functions of Recurrence Relation of the Path of Minimal Length on Suborbital Graphs
AKBABA Ü. , DEĞER A. H. , TUYLU T.
INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN PURE AND APPLIED MATHEMATICS, Trabzon, Turkey, 23 - 27 July 2018, pp.17
2018
2018Relation of Some Special Vertices of Suborbital Graphs and Continued Fractions
TUYLU T., DEĞER A. H. , AKBABA Ü.
INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN PURE AND APPLIED MATHEMATICS, Trabzon, Turkey, 23 - 27 July 2018, pp.172
2018
2018On Some Properties of Even Fibonacci and Lucas Numbers with Suborbital Graphs
DEĞER A. H. , AKBABA Ü.
INTERNATIONAL CONFERENCE ON MATHEMATICS “An Istanbul Meeting for World Mathematicians” Minisymposium on Approximation Theory &Minisymposium on Math Education, İstanbul, Turkey, 3 - 06 July 2018, pp.365
2018
2018On Some Connections Between Suborbital Graphs and Fibonacci- Lucas Matrices
AKBABA Ü. , DEĞER A. H.
INTERNATIONAL CONFERENCE ON MATHEMATICS “An Istanbul Meeting for World Mathematicians” Minisymposium on Approximation Theory &Minisymposium on Math Education, İstanbul, Turkey, 3 - 06 July 2018, pp.366
2018
2018On Some Relations Between Continued Fractions and Fibonacci Numbers
TUYLU T., DEĞER A. H. , AKBABA Ü.
International Conference On Mathematics and Mathematics Education (ICMME-2018), Ordu, Turkey, 27 - 29 June 2018, pp.94-95
2018
2018Finding Characteristic Roots of Matrices of Even Lucas and Fibonacci Numbers
AKBABA Ü. , DEĞER A. H. , TUYLU T.
International Conference On Mathematics and Mathematics Education (ICMME-2018), Ordu, Turkey, 27 - 29 June 2018, pp.62-63
2018
2018On Some Connections Between Suborbital Graphs and Special Sequences
AKBABA Ü. , DEĞER A. H. , Tuylu T.
International Conference on Mathematics and Mathematics Education (ICMME 2018), Ordu, Turkey, 27 - 29 June 2018, vol.10, pp.134-143
2017
2017On Creating Tessellations with Using Transformational Geometry
DEGER K. O. , DEĞER A. H.
6TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS, Budapest, Hungary, 15 - 18 August 2017, pp.292
2017
2017Some Special Values of Vertices of Trees on the Suborbital Graphs
DEĞER A. H. , AKBABA Ü.
6TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS, Budapest, Hungary, 15 - 18 August 2017, pp.35
2017
2017On Some Special Values of Fibonacci and Lucas Sequences with the Suborbital Graphs
DEĞER A. H. , AKBABA Ü.
6TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS, Budapest, Hungary, 15 - 18 August 2017, pp.36
2017
2017On Suborbital Graphs and Related Lucas Numbers
AKBABA Ü. , DEĞER A. H.
International Conference on Applied Analysis and Mathematical Modeling, İstanbul, Turkey, 3 - 07 July 2017, pp.191
2017
2017Some Properties of Special Vertices of the Suborbital Graphs
DEĞER A. H. , AKBABA Ü.
International Conference on Mathematics and Engineering, İstanbul, Turkey, 10 - 12 May 2017, pp.286
2017
2017On Suborbital Graphs and Related Fibonacci Numbers
AKBABA Ü. , DEĞER A. H.
International Conference on Mathematics and Engineering, İstanbul, Turkey, 10 - 12 May 2017, pp.228
2016
2016Imprimitive Action with Continued Fractions for the Suborbital Graphs
DEĞER A. H. , AKBABA Ü.
International Conference on Recent Advances in Pure and Applied Mathematics, Muğla, Turkey, 19 - 23 May 2016, pp.66
2015
2015On transformation types of the Gamma_0(N) and the suborbital graph F_u,N
DEĞER A. H.
4TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS, Athens, Greece, 31 August - 03 September 2015, pp.57
2015
2015Fu N Graflarındaki Minimal Uzunluk ve Üretici Cinsleri
DEĞER A. H. , AKBABA Ü.
10. Ankara Matematik Günleri, Turkey, 11 - 12 June 2015
2015
2015Imprimitive action of the normalizer of Gamma(0) (N) and suborbital graphs
DEĞER A. H.
International Conference on Advancements in Mathematical Sciences (AMS), Antalya, Turkey, 5 - 07 November 2015, vol.1676
2013
2013On some subgroups of the modular group
Beşenk M., DEĞER A. H. , YAZICI GÖZÜTOK N.
XI.Geometri Sempozyumu, Ordu, Turkey, 1 - 05 July 2013, pp.84
2012
2012Paths of Minimal Length on Suborbital Graphs with Recurrence Relations
DEĞER A. H. , BEŞENK M. , GÜLER B. Ö.
International Conference on Analysis and Applied Mathematics, Gümüşhane, Turkey, 18 - 21 October 2012, pp.31
2012
2012Power subgroup of the modular group
BEŞENK M. , DEĞER A. H. , GÜLER B. Ö. , Kader S.
XXV. Ulusal Matematik Sempozyumu, Niğde, Turkey, 5 - 08 September 2012, pp.6
2012
2012Paths of Minimal Length on Suborbital Graphs
DEĞER A. H. , BEŞENK M. , GÜLER B. Ö.
International Congress in Honour of Professor H.M. Srivastava, Bursa, Turkey, 23 - 26 August 2012, pp.38
2012
2012Circuit Lengths of Graphs for Picard Group
BEŞENK M. , GÜLER B. Ö. , DEĞER A. H. , Kesicioglu Y.
International Congress in Honour of Professor H.M. Srivastava, Bursa, Turkey, 23 - 26 August 2012, pp.39
2012
2012An application of mathematical tessellation method in interior designing
Deger K. O. , DEĞER A. H.
World Conference on Design, Arts and Education (DAE), Antalya, Turkey, 1 - 04 May 2012, vol.51, pp.249-256
2012
2012An Application on Suborbital Graphs
Besenk M. , DEĞER A. H. , GÜLER B. Ö.
1st International Conference on Analysis and Applied Mathematics (ICAAM), Gümüşhane, Turkey, 18 - 21 October 2012, vol.1470, pp.187-190
2011
2011On Connectedness of the Suborbital Graphs of the Picard Group
GÜLER B. Ö. , DEĞER A. H. , BEŞENK M.
2nd Istanbul Design Theory, Graph Theory and Combinatorics Conference, İstanbul, Turkey, 27 June - 01 July 2011, pp.38
2011
2011On Some Advantages of Using Mathematics Software
Kor T. , DEĞER A. H. , Besenk M. , Guler B. O.
16th Asian Technology Conference in Mathematics (ATCM2011), Bolu, Turkey, 19 - 23 September 2011, pp.203-210
2010
2010Sürekli Kesirlerin Bir Uygulaması
DEĞER A. H. , BEŞENK M. , GÜLER B. Ö.
9. Matematik Sempozyumu Sergi ve Şenlikleri, Trabzon, Turkey, 20 - 22 October 2010, pp.104
2010
2010Alt Yörüngesel Çizgeler
Beşenk M. , GÜLER B. Ö. , DEĞER A. H.
9. Matematik Sempozyumu Sergi ve Şenlikleri, Trabzon, Turkey, 20 - 22 October 2010, pp.145
2010
2010On Suborbital Graphs and Continued Fractions
DEĞER A. H. , BEŞENK M. , GÜLER B. Ö.
International Congress in Honour of Professor H.M. Srivastava on his 70th Birth Anniversary, Bursa, Turkey, 18 - 21 August 2010, pp.105
2010
2010Eliptik Elemanlar ve Alt Yörüngesel Graftaki Devreler
GÜLER B. Ö. , BEŞENK M. , DEĞER A. H. , Kader S.
Ankara Matematik Günleri, Ankara, Turkey, 3 - 04 June 2010, pp.19
2007
2007Modular Grubun Alt Yörüngesel Grafındaki Q^-Köşeli Minimal Uzunluklu Eğriler
DEĞER A. H. , GÜLER B. Ö.
XX. Ulusal Matematik Sempozyumu, Erzurum, Turkey, 3 - 06 September 2007, pp.41
Books & Book Chapters
2021
2021VERTICES OF SUBORBITAL GRAPH F_u,N AND SEQUENCE d_n DEFINED IN HECKE GROUP
Gökcan İ., Değer A. H.
in: Research & Reviews in Science and Mathematics - I, AKGÜL HASAN,DAYANGAÇ ALPASLAN, Editor, Gece Kitaplığı, Ankara, pp.187-204, 2021
Supported Projects
2018 - Continues
2018 - ContinuesSürekli Kesirlerin Yinelenme Bağıntıları ile Alt Yörüngesel Graflardaki Ağaçların Özel Köşeleri
Project Supported by Higher Education Institutions
DEĞER A. H. (Executive) , AKBABA Ü. , BERBER T.
2018 - 2018
2018 - 2018ICRAPAM 2018 International Conference on Recent Advances in Pure and Applied Mathematics
Project Supported by Higher Education Institutions
GÜLER B. Ö. (Executive) , DEĞER A. H. , ÖREN İ. , PEKŞEN Ö.
2015 - 2016
2015 - 2016?_0(N) Grubunun Alt Yörüngesel Graflarındaki Minimal Uzunluklu İmprimitif Hareket
Project Supported by Higher Education Institutions
DEĞER A. H. (Executive) , AKBABA Ü.
2013 - 2015
2013 - 2015Moodle Eğitim Sistemi ile Etkileşimli Portal Hazırlanması
Project Supported by Higher Education Institutions
DEĞER A. H. (Executive)
Scientific Refereeing
December 2020
December 2020Sinop Üniversitesi Fen Bilimleri Dergisi
Other Journals
November 2020
November 2020GÜMÜŞHANE ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ DERGİSİ
National Scientific Refreed Journal
January 2019
January 2019Project Supported by Higher Education Institutions
August 2018
August 2018Turkish Journal of Mathematics
SCI Journal
November 2012
November 2012Online Journal of Education Research
National Scientific Refreed Journal
Edit Congress and Symposium Activities
2019
2019II. International Turkish World Engineering and Science Congress
Attendee
Antalya-Turkey
2019
201917th International Geometry Symposium
Attendee
Erzincan-Turkey
2017
20176TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS
Attendee
Budapest-Hungary
2017
2017International Conference on Applıed Analysis and Mathematical Modeling
Attendee
İstanbul-Turkey
2017
2017International Conference on Mathematics and Engineering
Attendee
İstanbul-Turkey
2016
2016International Conference on Recent Advances in Pure and Applied Mathematics
Attendee
Muğla-Turkey
2015
20154TH INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS
Attendee
Athens-Greece
2015
201510. Ankara Matematik Günleri
Attendee
Ankara-Turkey
2012
2012XXV. Ulusal Matematik Sempozyumu
Attendee
Niğde-Turkey
2012
2012International Congress in Honour of Professor H.M. Srivastava
Attendee
Bursa-Turkey
2011
2011Sixteenth Asian Technology Conference in Mathematics
Attendee
Bolu-Turkey
2011
20112nd Istanbul Design Theory, Graph Theory and Combinatorics Conference
Attendee
İstanbul-Turkey
2010
20109. Matematik Sempozyumu Sergi ve Şenlikleri
Attendee
Trabzon-Turkey
2010
2010International Congress in Honour of Professor H.M. Srivastava on his 70th Birth Anniversary
Attendee
Bursa-Turkey
2010
2010Ankara Matematik Günleri
Attendee
Ankara-Turkey
2007
2007XX. Ulusal Matematik Sempozyumu
Attendee
Erzurum-Turkey
Citations
Total Citations (WOS): 40
h-index (WOS): 4
Jury Memberships
August-2017
August 2017Post Graduate
Niğde Ömer Halisdemir Üniversitesi Fen-Edebiyat Fakültesi Matematik Bölümü Yüksek Lisans Tezi Savunması Juri Üyeliği - Niğde Ömer Halisdemir Üniversitesi
Announcements & Documents
Hiperbolik Geometri haftalık sunum bilgisi için tıklayınız...
Announcement
4/2/2019
05.04.2019 Cuma Saat: 14-15 arası Atatürk Üniversitesi Fen Fakültesi Matematik Bölümü Toplantı Salonunda "Hiperbolik Geometri" sunumu yapılacaktır. Seminer afişi ektedir.
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