Asst. Prof. Özkan DEĞER


Faculty of Science, Department of Mathematics

Analysis and Theory of Functions Division


Research Areas: Mathematics, General Mathematics, Real Functions, Convex and Discrete Geometry, Optimization, Numerical Analysis, Natural Sciences


Names in Publications: Deger O, Deger Oe

Email: ozdeger@istanbul.edu.tr
Office Phone: +90 212 455 5700 Extension: 15311
Fax Phone: +90 212 519 0834
Web: http://www.ozkandeger.org
Office: Fen Fakültesi Matematik Bölümü 4. Kat
Address: İstanbul Üniversitesi Fen Fakültesi Matematik Bölümü, 34134, Vezneciler, Fatih/İstanbul

Metrics

Publication

26

Citation (WoS)

15

H-Index (WoS)

2

Citation (Scopus)

21

H-Index (Scopus)

2

Project

5

Thesis Advisory

5

Open Access

1

Education Information

2004 - 2009

2004 - 2009

Doctorate

Istanbul University, Institute of Graduate Studies In Sciences, Matematik, Turkey

1999 - 2002

1999 - 2002

Postgraduate

Istanbul University, Institute of Graduate Studies In Sciences, Matematik, Turkey

1993 - 1998

1993 - 1998

Undergraduate

Istanbul University, Faculty Of Science, Matematik, Turkey

Dissertations

2009

2009

Doctorate

Polihedral Dahil Etmelerde Optimallik İçin Gerek ve Yeter Koşullar

Istanbul University, Faculty of Science, Matematik

2002

2002

Postgraduate

Diskret ve Diferansiyel Dahil Etmelerde Optimallik İçin Gerek ve Yeter Koşullar

Istanbul University, Faculty of Science, Matematik

Foreign Languages

B2 Upper Intermediate

B2 Upper Intermediate

English

Certificates, Courses and Trainings

2017

2017

İş Hukuku, İSG Kavramı, Sağlık ve Güvenlik İşaretleri, Yangın, Patlama, Parlama, Meslek Hastalıkları

Occupational Health and Safety

İstanbul Üniversitesi

2014

2014

Eğitimde Etkileşim ve Katılımın Güçlendirilmesi

Education Management and Planning

İstanbul Üniversitesi

2014

2014

Hedef Kitle Odaklı İçerik Editörlüğü

Other

İstanbul Üniversitesi

2012

2012

Bilimsel Dergilerin Gelişimi ve Web of Science Çalıştayı

Vocational Training

Mikro Bilgi Kayıt ve Dağıtım A.Ş.

Research Areas

Mathematics

General Mathematics

Real Functions

Convex and Discrete Geometry

Optimization

Numerical Analysis

Natural Sciences

Academic Titles / Tasks

2018 - Continues

2018 - Continues

Assistant Professor

Istanbul University, Faculty of Science, Department of Mathematics

2010 - 2018

2010 - 2018

Assistant Professor

Istanbul University, Faculty of Science, Department of Mathematics

1998 - 2010

1998 - 2010

Research Assistant

Istanbul University, Faculty of Science, Department of Mathematics

Managerial Experience

2022 - Continues

2022 - Continues

Fen Fak. Dekanlık Binası İlk Yardım Ekip Lideri

Istanbul University, Faculty Of Science

2020 - Continues

2020 - Continues

Internship Committee Member

Istanbul University, Faculty Of Science, Department of Mathematics

2018 - Continues

2018 - Continues

İstanbul Üniversitesi Spor Birliği Kulübü Yönetim Kurulu Üyesi

Istanbul University, Rektörlük

2016 - Continues

2016 - Continues

Fen Fakültesi Matematik Kulübü Danışmanlığı

Istanbul University, Faculty Of Science

2014 - Continues

2014 - Continues

Fen Fakültesi Spor Danışmanı

Istanbul University, Faculty Of Science

2014 - Continues

2014 - Continues

Rectorate Commissioner

Istanbul University, Rektörlük

2017 - 2018

2017 - 2018

Sivil Savunma Planı ve Acil Durum Eylem Planı kapsamında Edebiyat-Fen-Su Bilimleri Fakülteleri İtfaiye Servis Amir Yrd.

Istanbul University, Faculty Of Science

2017 - 2018

2017 - 2018

Öğrenci Temsilcisi Seçimi Komisyonu Üyesi

Istanbul University, Faculty Of Science, Department of Mathematics

2012 - 2018

2012 - 2018

Fen Fakültesi Matematik, Fizik ve Astronomi Dergisi Editör Yardımcılığı

Istanbul University, Faculty Of Science

2016 - 2017

2016 - 2017

FEDEK Komisyon Üyesi

Istanbul University, Faculty Of Science, Department of Mathematics

2011 - 2017

2011 - 2017

Matematik Lisans Müfredat Programı Komisyon Üyeliği

Istanbul University, Faculty Of Science, Department of Mathematics

2011 - 2017

2011 - 2017

Matematik ABD Müfredat Programı Komisyon Üyeliği

Istanbul University, Institute of Graduate Studies In Sciences, Fen Fakültesi Bölümü

2010 - 2017

2010 - 2017

Fen Fakültesi Elektronik Yayın Düzenleme Grubu Üyeliği

Istanbul University, Faculty Of Science

2010 - 2017

2010 - 2017

Deputy Head of Department

İstanbul Üniversitesi, Faculty of Science, Matematik

2013 - 2016

2013 - 2016

Program Koordinatörü

Istanbul University, Open And Dıstance Educatıon Faculty, Distance Education Programs

2010 - 2015

2010 - 2015

Fen Fakültesi tescilli eser binası röleve, restitüsyon, restorasyon projesi Denetleme Komisyonu Üyeliği

Istanbul University, Rektörlük

2011 - 2014

2011 - 2014

Fakülte Kurulu Üyesi

Istanbul University, Faculty Of Science

2012 - 2013

2012 - 2013

Mezuniyet Komisyonu Üyeliği

Istanbul University, Faculty Of Science, Department of Mathematics

2011 - 2013

2011 - 2013

Dikey Geçiş Sınavı Ek Kontenjan İntibak Komisyonu Üyeliği

Istanbul University, Faculty Of Science, Department of Mathematics

2007 - 2013

2007 - 2013

Fen Fakültesi İnternet Sitesi Yöneticisi

Istanbul University, Faculty Of Science

2012 - 2012

2012 - 2012

Rectorate Commissioner

İstanbul Üniversitesi, İdari Ve Mali İşler Daire Bşk.

2011 - 2012

2011 - 2012

Yatay Geçiş İntibak Komisyonu Üyeliği

Istanbul University, Faculty Of Science, Department of Mathematics

2011 - 2011

2011 - 2011

Rectorate Commissioner

İstanbul Üniversitesi, Sağlık Kültür Ve Spor Daire Başkanlığı

2010 - 2011

2010 - 2011

Head of Department

Istanbul University, Faculty Of Science, Department of Mathematics

2003 - 2009

2003 - 2009

Matematik Bölümü Araştırma Görevlisi Temsilcisi

Istanbul University, Faculty Of Science, Department of Mathematics

2001 - 2009

2001 - 2009

Matematik Bölümü İnternet Sitesi Yöneticisi

Istanbul University, Faculty Of Science, Department Of Mathematics

Non Academic Experience

2023 - Continues

2023 - Continues

Genel Sekreter

Professional Association, Türk Matematik Derneği, Genel Sekreterlik

2023 - Continues

2023 - Continues

Yönetim Kurulu Üyesi

Professional Association, Mathematical Society of South Eastern Europe, Yönetim Kurulu

2022 - Continues

2022 - Continues

Ulusal Matematik Sempozyumu Koordinatörlüğü

Professional Association, Türk Matematik Derneği, Yönetim Kurulu Üyeliği

2013 - Continues

2013 - Continues

Web sitesi kurucu ve yöneticiliği

turkmath.org

2000 - 2002

2000 - 2002

Genel Sekreter Yardımcılığı

Professional Association, Türk Matematik Derneği, Genel Sekreter Yardımcılığı

Courses

Undergraduate

Undergraduate

Matematik Tarihi II

Undergraduate

Undergraduate

Konveks Analize Giriş

Postgraduate

Postgraduate

LaTeX ile Matematiksel Döküman Yazma

Undergraduate

Undergraduate

Matematik Tarihi I

Undergraduate

Undergraduate

Temel Finans Matematiği (MAT)

Undergraduate

Undergraduate

Nümerik Analiz

Undergraduate

Undergraduate

Matematik Tarihi

Postgraduate

Postgraduate

Sonlu Boyutlu Öklid Uzaylarında Konveks Analiz ve Optimizasyon

Undergraduate

Undergraduate

Konveks Analize Giriş (İÖ)

Undergraduate

Undergraduate

Temel Finans Matematiği (AST)

Undergraduate

Undergraduate

Temel Finans Matematiği (AST-İÖ)

Undergraduate

Undergraduate

Temel Finans Matematiği (MAT-İÖ)

Undergraduate

Undergraduate

Nümerik Analiz (İÖ)

Undergraduate

Undergraduate

Matematik (MBG)

Undergraduate

Undergraduate

Matematik

Undergraduate

Undergraduate

Bilim Felsefesi

Undergraduate

Undergraduate

Bilim Felsefesi (İÖ)

Undergraduate

Undergraduate

Analiz III (Fizik)

Undergraduate

Undergraduate

Analiz II (AST-İÖ)

Undergraduate

Undergraduate

Analiz II (AST)

Undergraduate

Undergraduate

Analiz III (Fizik-İÖ)

Undergraduate

Undergraduate

Öğretmenlik Uygulaması

Undergraduate

Undergraduate

Analiz I (AST)

Undergraduate

Undergraduate

Analiz I (AST-İÖ)

Undergraduate

Undergraduate

Analiz II (MAT-İÖ)

Undergraduate

Undergraduate

Analiz II (MAT)

Undergraduate

Undergraduate

Analiz I (MAT-İÖ)

Undergraduate

Undergraduate

Analiz I (MAT)

Undergraduate

Undergraduate

Matematik I (Mühendislik Fak.)

Undergraduate

Undergraduate

Matematik II (Mühendislik Fak.)

Undergraduate

Undergraduate

Diferansiyel Denklemler I (AST-İÖ)

Undergraduate

Undergraduate

Öğretim Teknolojileri ve Materyal Tasarımı

Refereed Congress / Symposium Publications in Proceedings

2022

2022

Optimization of semilinear third-order delay-differential inclusions using the adjoint Mahmudov inclusion

Değer Ö., Mahmudov E., Mastaliyeva D. I.

6th International Conference of Mathematical Sciences, ICMS 2022, Hybrid, Istanbul, Turkey, 20 - 24 July 2022, vol.2879, no.1 identifier

2023

2023

Diyagonal Aşırı Dönüşsel Teoplitz Operatörleri

Eskişehirli B. B., Değer Ö.

35. Ulusal Matematik Sempozyumu, Edirne, Turkey, 4 - 08 September 2023, pp.30

2023

2023

Hypercyclic Toeplitz Operators on the Hilbert-Hardy Space in the Unit Disc

Kızılırmak B., Değer Ö., Eskişehirli B. B.

7th International Conference of Mathematical Sciences, İstanbul, Turkey, 5 - 09 July 2023, pp.28

2023

2023

A new disjoint hypercyclicity criterion

Eskişehirli B. B., Değer Ö.

International Conference of Mathematical Science ICMS 2023, İstanbul, Turkey, 5 - 09 July 2023, pp.26

2020

2020

A necessary condition for a mayer type set-valued optimization problem governed by a discrete inclusion system

Değer Ö.

4th International Conference of Mathematical Sciences, İstanbul, Turkey, 17 June 2020, vol.2334, no.1, pp.300061-300064 identifier identifier

2020

2020

A Necessary Condition for a Terminal Point Problem Governed by a Discrete Inclusion System

Değer Ö.

4th International Conference of Mathematical Sciences (ICMS 2020), İstanbul, Turkey, 17 - 21 June 2020, pp.38

2020

2020

On Optimal Solutions to a Generalized Heron Problem

Çebi E., Değer Ö.

4th International Conference of Mathematical Sciences, 17 - 21 June 2020, pp.30

2019

2019

A Minimization Algorithm for Limit Extremal Problems on Convex Compactum

Deger O.

3rd International Conference of Mathematical Sciences (ICMS), İstanbul, Turkey, 4 - 08 September 2019, vol.2183 identifier identifier

2018

2018

On Some Applications for Convex Set-Valued Mappings

Değer Ö.

2nd International Conference of Mathematical Sciences, İstanbul, Turkey, 31 July - 06 August 2018, pp.72

2009

2009

Optimal Control of The Elliptic Type Differential Inclusions with Dirichlet and Neumann Boundary Conditions

Mahmudov E., Değer Ö.

International Conference of Mathematical Sciences, İstanbul, Turkey, 1 - 04 August 2009, pp.151

2005

2005

Optimization Problem Described by Multivalued Mappings and Duality

Mahmudov E., Değer Ö.

The 1st International Conference on Control and Optimization with Industrial Applications, Baku, Azerbaijan, 1 - 04 May 2005, pp.65

Supported Projects

2015 - 2017

2015 - 2017

Approximation and Optimization of Third Order Polyhedral Discrete And Differential Inclusions

Project Supported by Higher Education Institutions

DEĞER Ö. (Executive), DEMİR SAĞLAM S.

2012 - 2013

2012 - 2013

Optimal Control of Elliptic Differential Inclusions

Project Supported by Higher Education Institutions

DEĞER Ö. (Executive)

2011 - 2012

2011 - 2012

Sonlu Boyutlu Uzaylarda Matematik Programlama ve Dualite

Project Supported by Higher Education Institutions

DEĞER Ö. (Executive)

Activities in Scientific Journals

2019 - Continues

2019 - Continues

OSMANLI BILIMI ARA?TIRMALARI

Publication Committee Member

2012 - 2018

2012 - 2018

İstanbul University. Science Faculty. The Journal of Mathematics, Physics and Astronomy

Assistant Editor/Section Editor

Memberships / Tasks in Scientific Organizations

2024 - Continues

2024 - Continues

American Mathematical Society

Member

2023 - Continues

2023 - Continues

Turkish Mathematical Society

Secretary General

2023 - Continues

2023 - Continues

Mathematical Society of South Eastern Europe

Board Member

1999 - Continues

1999 - Continues

Türk Matematik Derneği

Member

2022 - 2023

2022 - 2023

Turkish Mathematical Society

Board Member

Scientific Refereeing

January 2024

January 2024

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

October 2022

October 2022

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

March 2021

March 2021

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

July 2020

July 2020

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

September 2019

September 2019

International journal of advances in engineering and pure sciences (Online)

National Scientific Refreed Journal

April 2019

April 2019

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

March 2019

March 2019

SÜLEYMAN DEMIREL ÜNIVERSITESI FEN EDEBIYAT FAKÜLTESI FEN DERGISI = SÜLEYMAN DEMIREL UNIVERSITY FACULTY OF ARTS AND SCIENCE JOURNAL OF SCIENCE

National Scientific Refreed Journal

December 2018

December 2018

OSMANLI BILIMI ARA?TIRMALARI

Other Indexed Journal

October 2013

October 2013

İstanbul University Science Faculty Journal of Mathematics, Physics and Astronomy

Other Indexed Journal

Scientific Consultations

2016 - 2018

2016 - 2018

Scientific Consultancy

İstanbul İl Milli Eğitim Müdürlüğü

Istanbul University, Faculty Of Science, Department of Mathematics, Turkey

Tasks In Event Organizations

Ekim 2022

Ekim 2022

11. Bahar Matematik Buluşması

Student Club and Community Activity

Değer Ö., Altınkol İ.
Turkey

Mayıs 2022

Mayıs 2022

Öğrenci Matematik Çalıştayı VIII

Student Club and Community Activity

Değer Ö., Sezgin S.
İstanbul, Turkey

Nisan 2021

Nisan 2021

Öğrenci Matematik Çalıştayı VII

Student Club and Community Activity

Değer Ö., Ertan M.
İstanbul, Turkey

Temmuz 2019

Temmuz 2019

Journées Arithmétiques XXXI

Scientific Congress

Uludağ A. M., Kurşungöz K., Değer Ö., Boylan H., Bassa A., Zeytin A., et al.
İstanbul, Turkey

Nisan 2019

Nisan 2019

Öğrenci Matematik Çalıştayı V

Student Club and Community Activity

Değer Ö., İşcan S.
İstanbul, Turkey

Nisan 2018

Nisan 2018

Öğrenci Matematik Çalıştayı IV

Student Club and Community Activity

Değer Ö., Koyun A.
İstanbul, Turkey

Nisan 2017

Nisan 2017

Öğrenci Matematik Çalıştayı III

Student Club and Community Activity

Değer Ö., Koyun A.
İstanbul, Turkey

Ağustos 2009

Ağustos 2009

International Conference of Mathematical Sciences

Scientific Congress

Çakallı H., Çanak İ., Değer Ö.
İstanbul, Turkey


Congress and Symposium Activities

04 September 2023 - 08 September 2023

04 September 2023 - 08 September 2023

35. Ulusal Matematik Sempozyumu

Attendee

Edirne-Turkey

04 September 2023 - 08 September 2023

04 September 2023 - 08 September 2023

35. Ulusal Matematik Sempozyumu

Session Moderator

Edirne-Turkey

05 July 2023 - 09 July 2023

05 July 2023 - 09 July 2023

7th International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

05 July 2023 - 09 July 2023

05 July 2023 - 09 July 2023

7th International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

20 July 2022 - 24 July 2022

20 July 2022 - 24 July 2022

6th International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

17 June 2020 - 21 June 2020

17 June 2020 - 21 June 2020

4th International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

19 November 2019 - 19 November 2019

19 November 2019 - 19 November 2019

Beşiktaş İlçe Milli Eğitim Müdürlüğü I. Zümreler Çalıştayı

Session Moderator

İstanbul-Turkey

04 September 2019 - 08 September 2019

04 September 2019 - 08 September 2019

3nd International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

31 July 2018 - 06 August 2018

31 July 2018 - 06 August 2018

2nd International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

29 April 2016 - 29 April 2016

29 April 2016 - 29 April 2016

Öğrenci Matematik Çalıştayı II

Panelists

İstanbul-Turkey

04 August 2009 - 10 August 2009

04 August 2009 - 10 August 2009

International Conference of Mathematical Sciences

Attendee

İstanbul-Turkey

22 May 2005 - 25 May 2005

22 May 2005 - 25 May 2005

The 1st International Conference on Control and Optimization with Industrial Applications

Attendee

Baku-Azerbaijan

Citations

Total Citations (WOS): 15

h-index (WOS): 2

Jury Memberships

June-2022

June 2022

Post Graduate

Post Graduate - İstanbul Üniversitesi

June-2022

June 2022

Post Graduate

Post Graduate - İstanbul Üniversitesi

July-2019

July 2019

Post Graduate

Post Graduate - İstanbul Üniversitesi

July-2018

July 2018

Doctorate

Doctorate - İstanbul Üniversitesi

June-2018

June 2018

Doctorate

Doctorate - İstanbul Üniversitesi

April-2017

April 2017

Doctorate

Doctorate - İstanbul Üniversitesi

June-2016

June 2016

Post Graduate

Post Graduate - İstanbul Üniversitesi

December-2011

December 2011

Post Graduate

Post Graduate - İstanbul Üniversitesi

June-2011

June 2011

Post Graduate

Post Graduate - İstanbul Üniversitesi