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Academician

HAŞİM ÇAYIR

Profesör

Giresun 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 45 YÖKSİS 45 · OpenAlex 0 Total citations 38 h-index 3 · OpenAlex Q1 articles 0 Scopus · WoS Q1 0 Best field rank #66 / 427 Keyword · top 15.5% Co-authors 18 4 Turkish institutions

Citation impact

OpenAlex YÖKSİS articles matched in OpenAlex: 20 + YÖKSİS · co-author record: 1
h-index 3 Percentile in Türkiye: 42 #349 of 880 at their university by h-index
i10-index
2
Total citations
38
Top 52% in Türkiye
Per article
1.8
FWCI
0.13
1.00 = world average
World top 1%
0
World top 10%
0

Most cited articles

  1. Some Notes on Almost Paracontact Structures 2013 13 citations
  2. Tachibana and Vishnevskii Operators Applied to X V and X H in Almost Paracontact Structure on Tangent Bundle T M 2016 10 citations
  3. Lie Derivatives of Almost Contact Structure and Almost Paracontact Structure With Respect to X C and X V on Tangent Bundle T M 2016 8 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 (0 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.

Field ranking

YÖKSİS ?
Keyword rankings 1

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
18
With an akaturk profile
6
Turkish institutions
4
Co-authored works
%49

Academic co-authors 6

  1. RABİA ÇAKAN AKPINAR Doçent · Kafkas Üniversitesi 2
  2. YASEMİN SOYLU Profesör · Giresun Üniversitesi same university 2
  3. ALPER GÜLBE Doktor Öğretim Üyesi · Iğdır Üniversitesi 1
  4. ERKAN GÜLER Doktor Öğretim Üyesi · Giresun Üniversitesi same university 1
  5. HÜLYA DURUR Profesör · Ardahan Üniversitesi 1
  6. SÜLEYMAN ŞENYURT Doktor Öğretim Üyesi · Ordu Üniversitesi 1

National collaboration 4 institutions

Within own university3 joint works · Giresun Üniversitesi

  1. Kafkas Üniversitesi 2 works · 1 academics
  2. Ardahan Üniversitesi 1 works · 1 academics
  3. Iğdır Üniversitesi 1 works · 1 academics
  4. Ordu Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 12

Fıdan JABRAILZADE 3Gökhan KÖSEOĞLU 3Behboudi Asl Manouchehr 2Mohammad Nazrul Islam Khan 2Tarana SULTANOVA 2Ahmet BAHADIRArif SALİMOVBetül CAN UZUNHabil FATTAYEVKÜBRA AKDAĞLovejoy S DASNARMINA GURBANOVA

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.

Indexes and citation percentiles

?
TR Index 10 articles
OpenAlex citation percentile
Top 1%0
Top 10%0
Avg · n 20 %31.2
Other counts

Scopus (SJR)

  • YÖKSİS rows 20

WoS (JCR)

  • YÖKSİS rows 26

Articles

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

45articles

Journals with publications

25 journals

Narrow down

Scopus (SJR)
Q10 Q20 Q311 Q49
WoS (JCR)
Q10 Q24 Q312 Q410
TR Index
10articles

Article list

  1. 2025 On tangent bundles of Walker fourmanifolds Open Mathematics DOI 10.1515/math-2025-0135 YÖKSİS SJR Q3 JCR Q2 OpenAlex 8.6%
  2. 2025 ON HOLOMORPHIC AND QUASI-KÄHLER-NORDEN METRICS IN THE TANGENT BUNDLE OF 4-WALKER MANIFOLDS Journal of Science and Arts DOI 10.46939/J.Sci.Arts-25.1-a07 YÖKSİS JCR Q3 OpenAlex 8.3%
  3. 2024 THE TRANSFORMATION OF THE EVOLUTE CURVES USING LIFTS ON TO TANGENT SPACE Journal Of Science And Arts DOI https://www.josa.ro/ YÖKSİS JCR Q4
  4. 2023 Some Calculations on Kaluza-Klein Metric with Respect to Lifts in Tangent Bundle Bol. Soc. Paran. Mat. DOI https://periodicos.uem.br/ojs/index.php/BSocParanMat YÖKSİS SJR Q3 JCR Q4
  5. 2023 Operators Applied to Lifts with Respect to the Diagonal Lifts of Affinor Fields Along a Cross-Section on Tpq (M) INTERNATIONAL ELECTRONIC JOURNAL OF GEOMETRY DOI https://dergipark.org.tr/en/pub/iejg YÖKSİS TR Index SJR Q4 JCR Q4 OpenAlex 5.1%
  6. 2022 Notes on operators, integrability and the purity conditions of the Sasakian metric according to the almost paracomplex structure in T(Mn) Trans. Natl. Acad. Sci. Azerb. Ser. Phys.-Tech. Math. Sci. DOI https://trans.imm.az/ YÖKSİS SJR Q3
  7. 2022 Notes on lifting of Mannheim partner curve on tangent space TR³ JOURNAL OF MATHEMATİCAL EXTENSİON DOI https://www.ijmex.com/ YÖKSİS JCR Q4
  8. 2022 α-Sasakian, β-Kenmotsu and Trans-Sasakian Structures on the tangent bundle Commun.Fac.Sci.Univ.Ank.Ser. A1 Math. Stat. DOI https://dergipark.org.tr/tr/pub/cfsuasmas YÖKSİS TR Index JCR Q2 OpenAlex 13.8%
  9. 2022 Derivatives with respect to horizontal and vertical lifts of the deformed complete lift metric G_{f} on tangent bundle. Bol. Soc. Paran. Mat. DOI https://periodicos.uem.br/ojs/index.php/BSocParanMat/index YÖKSİS SJR Q3 JCR Q4 OpenAlex 1.7%
  10. 2021 Lifts of connections to the bundle of (1,1) type tensor frames Sigma Journal of Engineering and Natural Sciences DOI 10.14744/sigma.2021.00007 YÖKSİS SJR Q4 JCR Q3 OpenAlex 6.7%
  11. 2021 SOME RESEARCH NOTES ON LIFTS OF THE HSU – (4,2) STRUCTURE ON COTANGENT AND TANGENT BUNDLE Journal of Science and Arts DOI http://www.josa.ro/ YÖKSİS JCR Q4 OpenAlex 18.6%
  12. 2021 The General F_(a,λ) (K,T)-Structure Satisfying aF^K+λ^r F^T=0 on M^n and Lifts Problems Associated with the Structure Journal of Science and Arts DOI http://www.josa.ro/ YÖKSİS JCR Q4 OpenAlex 18.0%
  13. 2021 The transformation of the involute curves using by lifts on R3 to tangent space TR3 Tbilisi Mathematical Journal DOI 10.32513/tmj/19322008110 YÖKSİS JCR Q2 OpenAlex 7.4%
  14. 2021 Some notes on lifts of the F((υ+1),λ²(υ-1))-structure on cotangent and tangent bundle Commun.Fac.Sci.Univ.Ank.Ser. A1 Math. Stat. DOI 10.31801/cfsuasmas.712861 YÖKSİS TR Index OpenAlex 53.1%
  15. 2021 On the Lifts of FK +F = 0; (F 6= 0;K > 0)􀀀Structure on Cotangent and Tangent Bundle Konuralp Journal of Mathematics DOI https://dergipark.org.tr/tr/pub/konuralpjournalmath://dergipark.org.tr/tr/pub/konuralpjournalmath YÖKSİS SJR Q3
  16. 2021 Some Notes on Integrability Conditions and Operators on Cotangent Bundle NEWS OF BAKU UNİVERSİTY(BAKI UNİVERSİTETİNİN XƏBƏRLƏRİ) DOI http://bsu.edu.az/az/content/bak_universitetinin_xbrlri_fizikariyaziyyat__seriyas YÖKSİS
  17. 2020 On the Integrability Conditions and Operators of the F((K1),(K-1))- Structure Satisfying F{K1}F{K-1}=0, (F≠0, K⋝2) on Cotangent Bundle and Tangent Bundle INTERNATIONAL ELECTRONIC JOURNAL OF GEOMETRY DOI https://dergipark.org.tr/tr/pub/iejg YÖKSİS TR Index SJR Q4 JCR Q4 OpenAlex 1.8%
  18. 2020 OPERATORS ON METALLIC RIEMANNIAN STRUCTURES Honam Mathematical Journal DOI 10.5831 YÖKSİS JCR Q3
  19. 2020 SOME NOTES ON THE MODIFIED RIEMANNIAN EXTENSION g ̃_(∇,c) ON COTANGENT BUNDLE Journal of Science and Arts DOI 10.46939/J.Sci.Arts-20.4-a13 YÖKSİS JCR Q4 OpenAlex 13.0%
  20. 2019 On integrability conditions, operators and the purity conditions of the Sasakian metric with respect to lifts of F_{λ}(7,1)-structure on cotangent bundle Turkish Journal of Mathematics YÖKSİS TR Index SJR Q3 JCR Q3 OpenAlex 56.2%

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