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Academician

HALİT ORHAN

Profesör

Atatürk Üniversitesi Fen Fakültesi Matematik Bölümü

Research topics OpenAlex
  1. Ana Dal Fen Bilimleri ve Matematik Temel Alanı
  2. Yan Dal Matematik
Keywords YÖKSİS
Articles 112 YÖKSİS 112 · OpenAlex 0 Total citations 985 h-index 17 · OpenAlex Q1 articles 5 Scopus · WoS Q1 15 Best field rank #62 / 2,590 Side field · top 2.4% Co-authors 68 14 Turkish institutions

Citation impact

OpenAlex YÖKSİS articles matched in OpenAlex: 76 + YÖKSİS · co-author record: 12
h-index 17 Percentile in Türkiye: 96 #127 of 2,088 at their university by h-index
i10-index
27
Total citations
985
Top 5.2% in Türkiye
Per article
11.2
FWCI
2.04
1.00 = world average
World top 1%
2
World top 10%
16

Most cited articles

  1. ON A SUBCLASS OF CERTAIN STARLIKE FUNCTIONS WITH NEGATIVE COEFFICIENTS 2004 world top 10% 100 citations
  2. SOME SUFFICIENT CONDITIONS FOR UNIVALENCE OF CERTAIN FAMILIES OF INTEGRAL OPERATORS INVOLVING GENERALIZED BESSEL FUNCTIONS 2011 world top 10% 67 citations
  3. Bounds for the second Hankel determinant of certain bi univalent functions 2016 world top 1% 65 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. 12 articles (39 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.

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
68
With an akaturk profile
19
Turkish institutions
14
Co-authored works
%95

Academic co-authors 19

  1. MURAT ÇAĞLAR Profesör · Erzurum Teknik Üniversitesi 29
  2. ERHAN DENİZ Profesör · Kafkas Üniversitesi 24
  3. İBRAHİM AKTAŞ Profesör · Karamanoğlu Mehmetbey Üniversitesi 8
  4. EVRİM TOKLU Profesör · Ağrı İbrahim Çeçen Üniversitesi 6
  5. EKREM KADIOĞLU Profesör · Atatürk Üniversitesi same university 2
  6. ABDURREZZAK GÜLTEKİN Doktor Öğretim Üyesi · Kahramanmaraş Sütçü İmam Üniversitesi 1
  7. ADNAN BÜLENT BALOĞLU Profesör · Ankara Hacı Bayram Veli Üniversitesi 1
  8. BİLAL USANMAZ Doktor Öğretim Üyesi · Atatürk Üniversitesi same university 1
  9. MEHMET BİLGEN Profesör · Akdeniz Üniversitesi 1
  10. MEHRAN AKSEL Doktor Öğretim Üyesi · Aydın Adnan Menderes Üniversitesi 1
Show all (19)
  1. MUSTAFA BAYRAM Profesör · Biruni Üniversitesi 1
  2. NEFATİ KIYLIOĞLU Profesör · Aydın Adnan Menderes Üniversitesi 1
  3. PELİN BEYAZGÜL Doçent · Fırat Üniversitesi 1
  4. SERTAÇ ATALAY Doçent · Tekirdağ Namık Kemal Üniversitesi 1
  5. SİBEL SÖNMEZ Profesör · Ege Üniversitesi 1
  6. TUBA BAYİR Doçent · Fırat Üniversitesi 1
  7. YAREN TEKELİ GÖK Araştırma Görevlisi · Selçuk Üniversitesi 1
  8. ÖMER ÖZCAN Öğretim Görevlisi (ders Vermekle Görevli) · Necmettin Erbakan Üniversitesi 1
  9. ÖZLEM BOZKURT GİRİT Doktor Öğretim Üyesi · Aydın Adnan Menderes Üniversitesi 1

National collaboration 14 institutions

Within own university3 joint works · Atatürk Üniversitesi

  1. Erzurum Teknik Üniversitesi 29 works · 1 academics
  2. Kafkas Üniversitesi 24 works · 1 academics
  3. Karamanoğlu Mehmetbey Üniversitesi 8 works · 1 academics
  4. Ağrı İbrahim Çeçen Üniversitesi 6 works · 1 academics
  5. Akdeniz Üniversitesi 1 works · 1 academics
  6. Ankara Hacı Bayram Veli Üniversitesi 1 works · 1 academics
  7. Aydın Adnan Menderes Üniversitesi 1 works · 3 academics
  8. Biruni Üniversitesi 1 works · 1 academics
  9. Ege Üniversitesi 1 works · 1 academics
  10. Fırat Üniversitesi 1 works · 2 academics
Show all (14)
  1. Kahramanmaraş Sütçü İmam Üniversitesi 1 works · 1 academics
  2. Necmettin Erbakan Üniversitesi 1 works · 1 academics
  3. Selçuk Üniversitesi 1 works · 1 academics
  4. Tekirdağ Namık Kemal Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 49

Hava ARIKAN 14Nanjundan Magesh 13NİHAT YAĞMUR 9MUHAMMET KAMALİ 5OrhanHalit 5Raducanu Dorina 5Cotîrlă Luminiţa-Ioana 4Jagadeesan Yamini 4V K Balaji 4Arpad Baricz 3Răducanu Dorina 3ÇağlarMurat 3D. S. RAJU 2DANIEL BREAZ 2Fatma ALTUNTAŞ 2Gangadharan Murugusundaramoorthy 2N. S. TEJAS 2Srivastava HM 2Srivastava Hari Mohan 2Timilehin Gideon Shaba 2ALI EBADIANAbirami ChimnasamyAhmad Qazi ZAHOORBANSAL DEEPAKBaricz ÁrpádBaşıbüyük EbruCHELLAKUTTI RAMACHANDRANDimitar DimitrovFatma Zehra ÖÇALJayaraman SIVAPALANKhalida Inayat NOORKiziltunç HükmiLAKSHMINARAYANAN VANITHAM ARIFM Kamal AOUFN KHANNurdoğan GÜNERPORWAL SAURABHPaduvalapattana Kempegowda MamathaPawel Zaprawa

Show all (49)

ROBERT SZASZSEYYEDEH ELHAM MOUSAVIGHARALALRISHEZA M. EL-DEEBSOKOL JANUSZSamy MurthySondekola Rudra SwamyStanislawa KANASTofigh AllahviranlooVALi SOLTANI MESİH

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 8 articles
OpenAlex citation percentile
Top 1%2
Top 10%16
Avg · n 75 %66.5
Other counts

Scopus (SJR)

  • YÖKSİS rows 75

WoS (JCR)

  • YÖKSİS rows 76

Articles

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

112articles

Journals with publications

52 journals

Narrow down

Scopus (SJR)
Q15 Q229 Q332 Q49
WoS (JCR)
Q115 Q217 Q329 Q415
TR Index
8articles

Article list

  1. 2026 Coefficient estimates in new subclasses of analytic and bi-univalent functions defined by the combinations of the $q$-derivative and the Sǎlǎgean derivative operator Ukrains’kyi Matematychnyi Zhurnal DOI 10.3842/umzh.v78i1-2.9261 YÖKSİS OpenAlex top 10% OpenAlex 97.3%
  2. 2026 A New Proposed Model for Image Enhancement using the Upper Bounds of Certain Coefficients Obtained by a Subclass of the Chebyshev Polynomials (pp.388-403) Applied and Computational Mathematics DOI 10.30546/1683-6154.25.3.2026.388 YÖKSİS JCR Q1 OpenAlex 84.8%
  3. 2026 Generalized coefficient estimates for a new subclass of analytic functions Asian-European Journal of Mathematics DOI 10.1142/S1793557125500809 YÖKSİS SJR Q3 JCR Q3 OpenAlex 26.0%
  4. 2026 Second Hankel determinant for a certain subclass of analytic functions defined by close-to-convex functions and the Salagean derivative operator Afrika Matematika DOI 10.1007/s13370-026-01449-3 YÖKSİS SJR Q3 JCR Q2 OpenAlex 35.7%
  5. 2026 Coefficient Estimates for Bi-Close-to-Convex Functions via The Salagean Derivative Operator Journal of Mahani Mathematical Research DOI https://jmmrc.uk.ac.ir/ YÖKSİS
  6. 2025 COEFFICIENT INEQUALITY FOR A NOVEL BI-UNIVALENT FUNCTION SUBCLASS ASSOCIATED WITH KRAVCHUK POLYNOMIALS FILOMAT DOI 10.2298/FIL2518215O YÖKSİS SJR Q2 JCR Q2 OpenAlex 73.4%
  7. 2025 COEFFICIENT INEQUALITIES FOR GENERALIZED SAKAGUCHI TYPE CLASS OF ANALYTIC FUNCTIONS ASSOCIATED WITH QUASI-SUBORDINATION Turkic World Mathematical Society (TWMS) Journal of Pure and Applied Mathematics DOI 10.30546/2219-1259.16.2.2025.163 YÖKSİS JCR Q1 OpenAlex 42.9%
  8. 2025 Initial Estimates of Bazilevič Type Functions Defined by Limaçon-Shaped Domain Iranian Journal of Science DOI 10.1007/s40995-025-01867-1 YÖKSİS SJR Q2 JCR Q3 OpenAlex 27.7%
  9. 2025 Coefficient bounds for q-convex functions related to q-Bernoulli numbers Analele Stiintifice ale Universitatii Ovidius Constanta-Seria Matematica DOI 10.2478/auom-2025-0005 YÖKSİS SJR Q3 JCR Q3 OpenAlex 50.4%
  10. 2025 Coefficient estimates for power Bi–univalent Ma-Minda starlike and derivative functions The Journal of Analysis DOI 10.1007/s41478-025-00893-x YÖKSİS SJR Q2 JCR Q1 OpenAlex top 10% OpenAlex 96.1%
  11. 2024 A precise solution to the shortest path optimization problem in graphs using Z-numbers AIMS Mathematics DOI 10.3934/math.20241454 YÖKSİS SJR Q2 JCR Q1 OpenAlex 55.6%
  12. 2024 ESTIMATES OF THE INITIAL TAYLOR-MACLAURIN COEFFICIENTS OF A GENERAL SUBCLASS OF BI-BAZILEVIC TYPE FUNCTIONS General Mathematics DOI 10.2478/gm-2024-0008 YÖKSİS OpenAlex 37.7%
  13. 2023 A New Subclass of Bi-Univalent Functions Defined by a Certain Integral Operator Axioms DOI 10.3390/axioms12020172 YÖKSİS SJR Q3 JCR Q1 OpenAlex 87.5%
  14. 2023 On a new subclass of biunivalent functions associated with the $(p,q)$-Lucas polynomials and bi-Bazilevic type functions of order $\rho+i\xi$ The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS DOI 10.55730/1300-0098.3348 YÖKSİS TR Index SJR Q2 JCR Q2 OpenAlex top 10% OpenAlex 90.1%
  15. 2023 THIRD HANKEL DETERMINANT FOR A SUBFAMILY OF HOLOMORPHIC FUNCTIONS RELATED WITH LEMNISCATE OF BERNOULLI Mathematics DOI 10.3390/math11051147 YÖKSİS SJR Q2 JCR Q1 OpenAlex top 10% OpenAlex 95.8%
  16. 2023 COEFFICIENT BOUNDS FOR <i>Q</i>-STARLIKE FUNCTIONS ASSOCIATED WITH <i>Q</i>-BERNOULLI NUMBERS Wilmington Scientific Publisher, LLC DOI 10.11948/20220566 YÖKSİS SJR Q3 JCR Q3 OpenAlex 87.6%
  17. 2023 SECOND HANKEL DETERMINANT FOR CERTAIN SUBCLASSES OF BI-STARLIKE FUNCTIONS DEFINED BY DIFFERENTIAL OPERATORS Sahand Communications in Mathematical Analysis DOI 10.22130/scma.2022.553738.1110 YÖKSİS SJR Q3 JCR Q3 OpenAlex 41.5%
  18. 2023 Some applications of generalized Alexander integral operator Southeast Asian Bulletin of Mathematics DOI http://www.seams-bull-math.ynu.edu.cn/insturcution.html YÖKSİS JCR Q4
  19. 2023 Upper bounds for Fekete–Szegö functional Bol. Soc. Mat. Mex. DOI 10.1007/s40590-023-00552-w YÖKSİS SJR Q2 JCR Q2 OpenAlex 21.1%
  20. 2023 SECOND HANKEL DETERMINANT FOR A CERTAIN SUBCLASS OF ANALYTIC FUNCTIONS DEFINED BY HYPERGEOMETRIC FUNCTIONS Afrika Matematika DOI 10.1007/s13370-023-01063-7 YÖKSİS SJR Q3 JCR Q2 OpenAlex 68.8%

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