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Academician

AHMET SİNAN ÖZKAN

Profesör

Sivas Cumhuriyet Üniversitesi Fen Fakültesi Matematik Bölümü

Research topics OpenAlex
  1. Ana Dal Fen Bilimleri ve Matematik Temel Alanı
  2. Yan Dal Matematik
Keywords YÖKSİS
Articles 36 YÖKSİS 36 · OpenAlex 0 Total citations 336 h-index 10 · OpenAlex OpenAlex coverage %78 matched 28 / 36 Q1 articles 5 Scopus · WoS Q1 8 Best field rank #367 / 2,590 Side field · top 14.2% Co-authors 26 9 Turkish institutions

Citation impact

Citation counts of the articles matched in OpenAlex, citing publications from Crossref and the Stanford/Elsevier list. Sources are shown separately and never added up.

OpenAlex YÖKSİS articles matched in OpenAlex: 28 + YÖKSİS · co-author record: 1
h-index 10 Percentile in Türkiye: 84 #156 of 1,325 at their university by h-index
i10-index
12
Total citations
336
Top 18% in Türkiye
Per article
11.6
FWCI
1.45
1.00 = world average
World top 1%
0
World top 10%
5

Most cited articles

  1. Inverse nodal problems for Sturm Liouville equation with eigenparameter dependent boundary and jump conditions 2015 world top 10% 48 citations
  2. Spectral problems for Sturm Liouville operator with boundary and jump conditions linearly dependent on the eigenparameter 2012 world top 10% 42 citations
  3. Inverse spectral problems for Dirac operator with eigenvalue dependent boundary and jump conditions 2011 34 citations
How is this computed?

h-index and citations are computed from the citation counts of this academic’s YÖKSİS articles matched in OpenAlex (not Google Scholar, WoS or Scopus). Unmatched articles are not included. 1 articles (10 citations) tagged with this academic’s YÖK author id in co-authors’ YÖKSİS records count only towards citations, h-index and i10; article counts, percentiles and rankings use their own YÖKSİS list. h-index on the OpenAlex author profile: 10.

Citing publications Crossref 54 publications citing 30 DOI-bearing articles · 24 Türkiye-affiliated
  • 2019 13
  • 2020 25
  • 2021 13
  • 2022 1
  • 2025 2
  1. DOI 10.3842/umzh.v77i12.9415 2025
  2. DOI 10.1007/s11253-025-02542-9 2025
  3. DOI 10.11948/20210510 2022
  4. Inverse nodal problem for discontinuous Sturm–Liouville operator by new Prüfer Substitutions TR Hikmet Koyunbakan et al. · Mathematical Sciences · 2021 · cites 2 articles of this academic
  5. Conformable fractional Sturm–Liouville problems on time scales TR Bilender P. Allahverdiev et al. · Mathematical Methods in the Applied Sciences · 2021
  6. On the solution of a Sturm-Liouville problem by using Laplace transform on time scales TR Emrah YILMAZ et al. · Cumhuriyet Science Journal · 2021 · cites 2 articles of this academic
  7. On Dirac operator with boundary and transmission conditions depending Herglotz-Nevanlinna type function TR Yalçın Güldü et al. · AIMS Mathematics · 2021 · cites 9 articles of this academic
  8. On the Lipschitz stability of inverse nodal problem for Dirac system TR Emrah YILMAZ et al. · Communications Faculty Of Science University of Ankara Series A1Mathematics and Statistics · 2021
  9. Hochstadt-Lieberman type theorems for a diffusion operator on a time scale TR İbrahim Adalar · Quaestiones Mathematicae · 2021
  10. DOI 10.1186/s13661-021-01581-y 2021
  11. DOI 10.1016/j.jde.2021.01.001 2021
  12. DOI 10.1007/s11785-021-01119-1 2021
  13. DOI 10.36535/0233-6723-2021-193-45-68 2021
  14. DOI 10.1134/s0001434621010090 2021
  15. DOI 10.1186/s13661-021-01556-z 2021
  16. DOI 10.1134/s1995080221060160 2021 · cites 2 articles of this academic
  17. Inverse problems for a conformable fractional Sturm–Liouville operator TR İbrahi̇m Adalar et al. · Journal of Inverse and Ill-posed Problems · 2020
  18. Inverse nodal problem for a conformable fractional diffusion operator TR Yaşar Çakmak · Inverse Problems in Science and Engineering · 2020
  19. Inverse problems for one dimensional conformable fractional Dirac type integro differential system TR Baki Keskin · Inverse Problems · 2020 · cites 2 articles of this academic
  20. Half-inverse Sturm–Liouville problem on a time scale* TR A Sinan Ozkan et al. · Inverse Problems · 2020
  21. Half‐inverse problems for the quadratic pencil of the Sturm–Liouville equations with impulse TR Rauf Amirov et al. · Numerical Methods for Partial Differential Equations · 2020
  22. On the number of eigenvalues for parameter‐dependent diffusion problem on time scales TR Tuba Gulsen et al. · Mathematical Methods in the Applied Sciences · 2020
  23. An interior inverse Sturm–Liouville problem on a time scale TR İbrahim Adalar et al. · Analysis and Mathematical Physics · 2020
  24. On the determination of the impulsive Sturm–Liouville operator with the eigenparameter‐dependent boundary conditions TR Yasser Khalili et al. · Mathematical Methods in the Applied Sciences · 2020
  25. Inverse nodal problem for the Sturm-Liouville operator with a weight TR Ran Zhang et al. · Applied Mathematics-A Journal of Chinese Universities · 2020
  26. Uniqueness Theorems for Inverse Problems of Discontinuous Sturm–Liouville Operator TR Ozge Akcay · Bulletin of the Malaysian Mathematical Sciences Society · 2020
  27. Half inverse problem for diffusion operators with jump conditions dependent on the spectral parameter TR Abdullah Ergün et al. · Numerical Methods for Partial Differential Equations · 2020
  28. Dissipative Dirac operator with general boundary conditions on time scales TR B. P. Allahverdiev et al. · Ukrains’kyi Matematychnyi Zhurnal · 2020
  29. Sınır Koşulunda Öz Parametre Bulunduran Bir Sturm-Liouville Operatörü İçin Ters Nodal Problem TR Sertaç GÖKTAŞ · Gümüşhane Üniversitesi Fen Bilimleri Enstitüsü Dergisi · 2020
  30. Dissipative Dirac Operator with General Boundary Conditions on Time Scales TR B. P. Allahverdiev et al. · Ukrainian Mathematical Journal · 2020

Showing the 30 most recent.

Where does this list come from?

Extracted from the reference lists in Crossref’s public March 2026 data file; 20.3% of the file has been processed, so the list may be incomplete. Crossref citations are never added to or compared with the OpenAlex citation counts; the two sources have different coverage.

Field ranking

Position in the main-field, side-field and keyword cohorts by YÖKSİS article score; each card opens that ranking.

YÖKSİS ?
Keyword rankings 1

Works 36

YÖKSİS and OpenAlex records: index distribution, journals published in, a filterable article list and the other output types.

Indexes and citation percentiles

?
TR Index 6 articles
OpenAlex citation percentile
Top 1%0
Top 10%4
Avg · n 28 %57.5
Other counts

Scopus (SJR)

  • YÖKSİS rows 23

WoS (JCR)

  • YÖKSİS rows 26

Articles

Articles with YÖKSİS and OpenAlex source split; narrow by quartile or TR Index.

36articles

Journals with publications

24 journals

Narrow down

Scopus (SJR)
Q15 Q28 Q39 Q41
WoS (JCR)
Q18 Q29 Q36 Q43
TR Index
6articles

Article list

  1. 2024 Reconstruction of the nonlocal Sturm-Liouville operator with boundary conditions depending on the parameter Hacettepe Journal of Mathematics and Statistics DOI 10.15672/hujms.1244992 YÖKSİS TR Index SJR Q3 JCR Q2 OpenAlex 14.6%
  2. 2024 EIGENVALUES OF PARAMETER-DEPENDENT STURM-LIOUVILLE PROBLEMS WITH A FROZEN ARGUMENT ON TIME SCALES BULLETIN OF THE INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE DOI 10.7251/BIMVI2402281D YÖKSİS
  3. 2023 Inverse nodal problems for Sturm-Liouville equation with nonlocal boundary conditions journal of mathematical analysis and applications DOI 10.1016/j.jmaa.2022.126904 YÖKSİS SJR Q1 JCR Q1 OpenAlex 43.9%
  4. 2023 Inverse nodal problem for Dirac operator with integral type nonlocal boundary conditions Mathematical methods in the applied sciences DOI 10.1002/mma.8561 YÖKSİS SJR Q2 JCR Q1 OpenAlex 4.9%
  5. 2023 EIGENVALUES OF THE DIRAC OPERATOR WITH NONLOCAL BOUNDARY CONDITIONS ON TIME SCALES Bulletin of International Mathematical Virtual Institute DOI http://www.imvibl.org/buletin/bulletin_imvi_13_1_23/bulletin_imvi_13_1_23_191_197.pdf YÖKSİS
  6. 2023 RECONSTRUCTION OF A STURM-LIOUVILLE OPERATOR WITH SOME NONLOCAL BOUNDARY CONDITIONS BULLETIN OF THE INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE DOI 10.7251/BIMVI2303555I YÖKSİS
  7. 2022 EIGENVALUE PROBLEMS FOR A CLASS OF STURM-LIOUVILLE OPERATORS ON TWO DIFFERENT TIME SCALES COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS DOI 10.31801/cfsuasmas.1036073 YÖKSİS TR Index JCR Q2 OpenAlex 19.1%
  8. 2020 Half-inverse Sturm-Liouville problem on a time scale INVERSE PROBLEMS DOI https://iopscience.iop.org/article/10.1088/1361-6420/ab2a21/meta YÖKSİS SJR Q1 JCR Q1
  9. 2020 Boundary‐value problem for a class of second‐order parameter‐dependent dynamic equations on a time scale Mathematical Methods in the Applied Sciences DOI https://onlinelibrary.wiley.com/doi/abs/10.1002/mma.6197 YÖKSİS SJR Q1 JCR Q1
  10. 2020 Inverse problems for a conformable fractional Sturm–Liouville operator Journal of Inverse and Ill-Posed Problems DOI 10.1515/jiip-2019-0058 YÖKSİS SJR Q2 JCR Q1 OpenAlex top 10% OpenAlex 98.0%
  11. 2020 An interior inverse Sturm–Liouville problem on a time scale Analysis and Mathematical Physics DOI http://link.springer.com/10.1007/s13324-020-00402-2 YÖKSİS SJR Q3 JCR Q1
  12. 2018 Ambarzumyan-type theorems on a time scale Journal of Inverse and Ill-Posed Problems YÖKSİS SJR Q3 JCR Q2 OpenAlex 89.8%
  13. 2018 Parameter-Dependent Dirac Systems on Time Scales Cumhuriyet Science Journal DOI 10.17776-csj.471958-606830 YÖKSİS TR Index OpenAlex 79.2%
  14. 2017 STURM-LIOUVILLE OPERATOR WITH PARAMETER-DEPENDENT-BOUNDARY CONDITIONS ON A TIME SCALE Electronic Journal of Differential Equations YÖKSİS SJR Q3 JCR Q2
  15. 2017 INVERSE NODAL PROBLEM FOR A STURM-LIOUVILLEOPERATOR WITH DISCONTINUOUS COEFFICIENT Communications Series A1: Mathematics and Statistics YÖKSİS TR Index JCR Q2 OpenAlex 4.8%
  16. 2017 Inverse Problems for Dirac Operator with Boundary Conditions İnvolving A Herglotz-Nevanlinna function Cumhuriyet Science Journal DOI 10.17776/cumuscij.308486 YÖKSİS TR Index OpenAlex 24.6%
  17. 2017 Inverse Nodal Problems for Impulsive Sturm-Liouville Equation with Boundary Conditions Depending on the Parameter Advances in Analysis DOI 10.22606/aan.2017.23002 YÖKSİS OpenAlex 65.5%
  18. 2017 Ambarzumyan Type Theorems for a Class of Sturm-Liouville Problem Cumhuriyet Science Journal DOI 10.17776/csj.340393 YÖKSİS TR Index OpenAlex 21.2%
  19. 2017 Inverse nodal problems for Dirac-type integro-differential operators Journal of Differential Equations DOI 10.1016/j.jde.2017.08.068 YÖKSİS SJR Q1 JCR Q1 OpenAlex 5.5%
  20. 2015 Inverse nodal problems for Sturm Liouville equation with eigenparameter dependent boundary and jump conditions Inverse Problems in Science and Engineering DOI 10.1080/17415977.2014.991730 YÖKSİS SJR Q2 JCR Q3 OpenAlex top 10% OpenAlex 97.3%

Projects 5

  1. 2016 Süreksiz Katsayılı Sturm-Liouville operatörü için Ters Düğüm Problemi CUMHURİYET ÜNİVERSİTESİ Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2016-10-25 – 2017-10-24
  2. 2016 Konvolüsyon integro-diferansiyel operatörleri için ters nodal problemler CUMHURİYET ÜNİVERSİTESİ Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2016-04-27 – 2017-10-27
  3. 2015 A Tipi Bireysel Proje CUMHURİYET ÜNİVERSİTESİ Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2015-03-13 – 2015-12-29
  4. — Bir Sınıf Süreksiz Sturm Liouville Sınır Değer Problemi İçin Teklik Teoremleri ARAŞTIRMA PROJESİ · Tamamlandı
  5. — Sınır koşullarının spektral parametreye bağlı olduğu süreksiz Dirac operatörleri için düz ve ters problemler ARAŞTIRMA PROJESİ · Tamamlandı

Proceedings 9 See all (9) →

  1. 2012 Süreksiz Sturm-Liouville Operatörleri icinYarı-Ters Problem 7.Ankara Matematik Günleri
  2. 2015 GEÇIS KOSULLU STURM-LIOUVILLE OPERATÖRÜIÇIN TERS NODAL PROBLEM 10. Ankara Matematik Günleri
  3. 2012 Uniqueness Theorems for an Impulsive Sturm-Liouville Boundary Value Problem International Conference on AppliedAnalysis and Algebra
  4. 2010 SINIR KOŞULLARI PARAMETREYE BAĞLI DIRAC OPERATÖRLERİ 5. Ankara Matematik Günleri
  5. 2012 Half-Inverse Sturm-Liouville Problem with Boundary and Discontinuity Conditions Dependent on the Parameter International Conference on AppliedAnalysis and Algebra

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Collaboration network

From the author lists of YÖKSİS publication records. Duplicate records of a work count once; institutions are co-authors’ current YÖKSİS affiliations.

Co-authors
26
With an akaturk profile
19
Turkish institutions
9
Co-authored works
%78

Academic co-authors 19

  1. BAKİ KESKİN Profesör · Sivas Cumhuriyet Üniversitesi same university 12
  2. İBRAHİM ADALAR Doçent · Sivas Cumhuriyet Üniversitesi same university 6
  3. YAŞAR ÇAKMAK Profesör · Sivas Cumhuriyet Üniversitesi same university 3
  4. ARİF KIVRAK Profesör · Eskişehir Osmangazi Üniversitesi 1
  5. AYLİN PALLOŞ Öğretim Görevlisi (ders Vermekle Görevli) · Bursa Uludağ Üniversitesi 1
  6. BAHTİYAR BUHARA YÜCESAN Profesör · Bolu Abant İzzet Baysal Üniversitesi 1
  7. DİCLE ARAS Profesör · Ankara Üniversitesi 1
  8. EBRU CANDA Profesör · Ege Üniversitesi 1
  9. EKREM GÜREL Profesör · Bolu Abant İzzet Baysal Üniversitesi 1
  10. ERHAN CANBAY Doçent · Ege Üniversitesi 1
Show all (19)
  1. HAVVA YAZICI Doçent · Ege Üniversitesi 1
  2. HÜMEYRA İSPİRLİ Doçent · Bayburt Üniversitesi 1
  3. MEHMET DOĞAN Profesör · Balıkesir Üniversitesi 1
  4. NUMAN YALÇIN Doktor Öğretim Üyesi · Gümüşhane Üniversitesi 1
  5. NUR SELVİ GÜNEL Profesör · Ege Üniversitesi 1
  6. SEMA KALKAN UÇAR Profesör · Ege Üniversitesi 1
  7. SONGÜL GÜREL Profesör · Bolu Abant İzzet Baysal Üniversitesi 1
  8. YALÇIN GÜLDÜ Profesör · Sivas Cumhuriyet Üniversitesi same university 1
  9. YASEMİN BAŞBINAR Profesör · Dokuz Eylül Üniversitesi 1

National collaboration 9 institutions

Within own university20 joint works · Sivas Cumhuriyet Üniversitesi

  1. Ankara Üniversitesi 1 works · 1 academics
  2. Balıkesir Üniversitesi 1 works · 1 academics
  3. Bayburt Üniversitesi 1 works · 1 academics
  4. Bolu Abant İzzet Baysal Üniversitesi 1 works · 3 academics
  5. Bursa Uludağ Üniversitesi 1 works · 1 academics
  6. Dokuz Eylül Üniversitesi 1 works · 1 academics
  7. Ege Üniversitesi 1 works · 5 academics
  8. Eskişehir Osmangazi Üniversitesi 1 works · 1 academics
  9. Gümüşhane Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 7

RAUF AMİROV 5Zeynep Durna 2Dipul Kumar BiswasLebo Charlotte ThembeOSMAN KEKLİKSandeep Kumar Vermaİsmail Duman

Authors without an akaturk profile (international researchers, retired or former academics, students, clinicians) are grouped by name spelling; short forms such as “Gulluce M.” join the single full name they match.