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Academician

SERPİL KARAYEL

Araştırma Görevlisi

Yıldız Teknik Üniversitesi Fen-Edebiyat Fakültesi Matematik Bölümü

Research topics OpenAlex
  1. Ana Dal Fen Bilimleri ve Matematik Temel Alanı
  2. Yan Dal Matematik
Keywords YÖKSİS
Articles 6 YÖKSİS 6 · OpenAlex 0 Total citations 13 h-index 2 · OpenAlex OpenAlex coverage %67 matched 4 / 6 Q1 articles 0 Scopus · WoS Q1 0 Co-authors 6 2 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: 4 + YÖKSİS · co-author record: 2
h-index 2 Percentile in Türkiye: 28 #1,000 of 1,360 at their university by h-index
i10-index
0
Total citations
13
Top 68% in Türkiye
Per article
2.2
FWCI
0.13
1.00 = world average
World top 1%
0
World top 10%
0

Most cited articles

  1. The regularized trace formula for a fourth order differential operator given in a finite interval 2015 5 citations
  2. SECOND REGULARIZED TRACE OF A DIFFERENTIAL OPERATOR WITH SECOND ORDER UNBOUNDED OPERATOR COEFFICIENT GIVEN IN A FINITE INTERVAL 2017 4 citations
  3. The asymptotic formulas for the sum of squares of negative eigenvalues of the singular Sturm Liouville operator 2006 2 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. 2 articles (1 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: 3.

Citing publications Crossref 1 publications citing 4 DOI-bearing articles · 1 Türkiye-affiliated
  • 2020 1
  1. A second regularized trace formula for a higher order differential operator TR Erdal Gül · Mathematical Methods in the Applied Sciences · 2020
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 6

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

Indexes and citation percentiles

?
TR Index 0 articles
OpenAlex citation percentile
Top 1%0
Top 10%0
Avg · n 4 %31.7
Other counts

Scopus (SJR)

  • YÖKSİS rows 4

WoS (JCR)

  • YÖKSİS rows 2

Articles

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

6articles

Journals with publications

5 journals

Narrow down

Scopus (SJR)
Q10 Q21 Q31 Q42
WoS (JCR)
Q10 Q21 Q31 Q40
TR Index
0articles

Article list

  1. 2017 SECOND REGULARIZED TRACE OF A DIFFERENTIAL OPERATOR WITH SECOND ORDER UNBOUNDED OPERATOR COEFFICIENT GIVEN IN A FINITE INTERVAL OPERATORS AND MATRICES DOI 10.7153/oam-11-50 YÖKSİS SJR Q2 JCR Q3 OpenAlex 52.1%
  2. 2015 The regularized trace formula for a fourth order differential operator given in a finite interval Journal of Inequalities and Applications DOI 10.1186/s13660-015-0823-0 YÖKSİS SJR Q3 JCR Q2 OpenAlex 10.6%
  3. 2010 The Sum of Subtraction of the Eigenvalues of two Self Adjoint Differential Operators with Unbounded Operator Coefficient International Journal of Pure and Applied Mathematics DOI http://www.ijpam.eu/contents/2010-63-3/1/1.pdf YÖKSİS SJR Q4
  4. 2009 Asymptotic Formulas for the Number of Negative Eigenvalues of a Differential Operator with Operator Coefficient Int. Journal of Math. Analysis DOI http://www.m-hikari.com/ijma/ijma-password-2009/ijma-password9-12-2009/karayelIJMA9-12-2009.pdf YÖKSİS SJR Q4
  5. 2007 A Self Adjoint Expansion of a Symmetric Differential Operator with Operator Coefficient Int. J. Contemp. Math. Sciences DOI http://www.m-hikari.com/ijcms-password2007/21-24-2007/karayelIJCMS21-24-2007.pdf YÖKSİS OpenAlex 29.9%
  6. 2006 The asymptotic formulas for the sum of squares of negative eigenvalues of the singular Sturm Liouville operator Int. J.Contemp. Math. Sci. DOI http://www.m-hikari.com/ijcms-password/ijcms-password5-8-2006/index.html YÖKSİS OpenAlex 34.3%

Proceedings 4

  1. 2006 Yarı Eksende verilmiş Sturm Liouville Operatörünün Negatif Özdeğerlerinin Karelerinin Toplamının Asimtotik Davranışı XIX. Ulusal Matematik Sempozyumu
  2. 2007 Hilbert space Self adjoint operator Symmetric operator closure Fourth International Conference of Applied Mathematics and Computing
  3. — The Regularized Trace Formula for a Differential Operator of Fourth Order with Bounded Operator Coefficient Int. Conference on Mathematical Science
  4. 2012 On the Number of Negative Eigenvalues of a Differential Operator with Operator Coefficient Operator Theory, Analysis and Mathematical Physics Conference

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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
6
With an akaturk profile
4
Turkish institutions
2
Co-authored works
%100

Academic co-authors 4

  1. YONCA SEZER Profesör · Yıldız Teknik Üniversitesi same university 3
  2. ÖZLEM BAKŞİ Doçent · Yıldız Teknik Üniversitesi same university 2
  3. SADETTİN TURHAN Profesör · Ondokuz Mayıs Üniversitesi 1
  4. İBRAHİM GÜLSEREN Profesör · İstanbul Sabahattin Zaim Üniversitesi 1

National collaboration 2 institutions

Within own university3 joint works · Yıldız Teknik Üniversitesi

  1. Ondokuz Mayıs Üniversitesi 1 works · 1 academics
  2. İstanbul Sabahattin Zaim Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 2

Ehliman Adıgüzelov 3AKYOL MAZLUM

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.