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Erdal Karapınar

Erdal Karapınar

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Mathematics
Turkey
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mathematics 72 249 211 1 1 515 17885

Erdal Karapınar publications per year

The chart shows the history of publications by Erdal Karapınar between 2006 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Erdal Karapınar published across 20 years, from 2006 to 2025, averaging 27.7 papers a year. Output peaked at 74 publications in 2013. 20 of the 554 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 2006 to 2025. Vertical axis: number of publications, 0 to 74. Peak 74 publications in 2013. 2006: 2 publications 2007: 3 publications 2008: 0 publications 2009: 3 publications 2010: 6 publications 2011: 19 publications 2012: 61 publications 2013: 74 publications 2014: 63 publications 2015: 44 publications 2016: 21 publications 2017: 20 publications 2018: 29 publications 2019: 50 publications 2020: 41 publications 2021: 39 publications 2022: 33 publications 2023: 26 publications 2024: 7 publications 2025: 13 publications
2006 2025

554 publications in total across all disciplines

View publications per year as a table
Erdal Karapınar: publications per year, 2006 to 2025
Year Publications
2006 2
2007 3
2008 0
2009 3
2010 6
2011 19
2012 61
2013 74
2014 63
2015 44
2016 21
2017 20
2018 29
2019 50
2020 41
2021 39
2022 33
2023 26
2024 7
2025 13
Total 554
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Erdal Karapınar publications per year - data summary

  • Erdal Karapınar, a Mathematics scholar from Atilim University, has 554 publications recorded across 20 years, from 2006 to 2025.
  • The oldest publication on record dates to 2006 and the most recent to 2025.
  • The most productive year is 2013, with 74 publications.
  • The least productive year with any output is 2006, with 2 publications.
  • 1 of the 20 years in the span carries no publications at all (2008).
  • The rate of publication averages 27.7 papers per year over the whole span, or 29.2 per year counting only the 19 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 118 publications, 21% of the career total.
  • Split into equal eras - 2006-2012: 94 publications (13.4 per year); 2013-2019: 301 publications (43.0 per year); 2020-2025: 159 publications (26.5 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Erdal Karapınar publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Erdal Karapınar sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 100 bars. Horizontal axis: publications, 42–46 to 537+. Vertical axis: number of scientists, 0 to 112. Most scientists, 112, have 142–146 publications. The last bar groups every scientist with 537 publications or more. The highlighted bar, 512–516 publications, is where this scientist sits. 42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientist 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientist 522–526 publications: 3 scientists 527–531 publications: 1 scientist 532–536 publications: 4 scientists 537+ publications: 100 scientists
42–46 publications 537+

This scientist: 515 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

View publications distribution as a table
Number of Mathematics scientists by publication count, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
Publications Scientists This scientist
42–46 3
47–51 5
52–56 7
57–61 20
62–66 14
67–71 25
72–76 19
77–81 35
82–86 50
87–91 60
92–96 86
97–101 84
102–106 83
107–111 90
112–116 99
117–121 90
122–126 91
127–131 109
132–136 110
137–141 98
142–146 112
147–151 102
152–156 88
157–161 106
162–166 83
167–171 102
172–176 77
177–181 81
182–186 78
187–191 71
192–196 92
197–201 64
202–206 69
207–211 64
212–216 62
217–221 58
222–226 53
227–231 50
232–236 46
237–241 46
242–246 46
247–251 43
252–256 29
257–261 45
262–266 30
267–271 33
272–276 34
277–281 30
282–286 31
287–291 21
292–296 34
297–301 26
302–306 10
307–311 17
312–316 23
317–321 13
322–326 16
327–331 26
332–336 13
337–341 13
342–346 16
347–351 17
352–356 12
357–361 18
362–366 18
367–371 9
372–376 11
377–381 8
382–386 8
387–391 9
392–396 9
397–401 8
402–406 11
407–411 6
412–416 6
417–421 9
422–426 8
427–431 5
432–436 8
437–441 8
442–446 4
447–451 4
452–456 4
457–461 2
462–466 2
467–471 4
472–476 3
477–481 3
482–486 6
487–491 3
492–496 5
497–501 5
502–506 1
507–511 6
512–516 4 515
517–521 1
522–526 3
527–531 1
532–536 4
537+ 100
Download as CSV

Erdal Karapınar publication distribution in Mathematics in 2026 - data summary

  • The chart plots the publication count of all 3,584 Mathematics scientists ranked by Research.com in 2026, grouped into 100 ranges running from 42–46 to 537+ publications.
  • Erdal Karapınar, a Mathematics scholar from Atilim University, records 515 publications - the 97th percentile of the discipline.
  • 97% of ranked Mathematics scientists score the same or lower than Erdal Karapınar, and about 3% score higher.
  • The median of the discipline falls in the 172–176 publications range, and Erdal Karapınar ranks above the median.
  • The most crowded range is 142–146 publications, holding 112 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 162–166 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 537 publications or more, 100 scientists in all (3% of the field).

Erdal Karapınar D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Erdal Karapınar sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 57 bars. Horizontal axis: D-Index, 30 to 86+. Vertical axis: number of scientists, 0 to 174. Most scientists, 174, have 30 D-Index. The last bar groups every scientist with 86 D-Index or more. The highlighted bar, 72 D-Index, is where this scientist sits. 30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 72 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

View D-Index distribution as a table
Number of Mathematics scientists by D-index, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
D-Index Scientists This scientist
30 174
31 151
32 174
33 117
34 136
35 127
36 145
37 153
38 150
39 150
40 138
41 136
42 93
43 108
44 115
45 112
46 103
47 75
48 59
49 67
50 60
51 57
52 59
53 62
54 60
55 50
56 42
57 54
58 50
59 42
60 41
61 35
62 40
63 21
64 31
65 27
66 29
67 19
68 25
69 17
70 18
71 12
72 14 72
73 13
74 18
75 9
76 11
77 10
78 9
79 16
80 12
81 10
82 5
83 5
84 13
85 6
86+ 99
Download as CSV

Erdal Karapınar D-index placement in Mathematics in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,584 Mathematics scientists ranked by Research.com in 2026, grouped into 57 ranges running from 30 to 86+ D-Index.
  • Erdal Karapınar, a Mathematics scholar from Atilim University, records 72 D-Index - the 93rd percentile of the discipline.
  • 93% of ranked Mathematics scientists score the same or lower than Erdal Karapınar, and about 7% score higher.
  • The median of the discipline falls in the 42 D-Index range, and Erdal Karapınar ranks above the median.
  • The most crowded range is 30 D-Index, holding 174 scientists (5% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 44 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 86 D-Index or more, 99 scientists in all (3% of the field).

Research.com Recognitions

  • 2026 - Research.com Mathematics in Turkey Leader Award
  • 2025 - Research.com Mathematics in Turkey Leader Award
  • 2022 - Research.com Mathematics in Turkey Leader Award

Overview

Erdal Karapınar is affiliated with Atilim University in Turkey, where their research primarily focuses on mathematical topics, particularly within the broad discipline of Mathematics.

Their work encompasses several subfields of Mathematics, including:

  • Geometry and Topology
  • Applied Mathematics
  • Modeling and Simulation
  • Numerical Analysis
  • Computational Theory and Mathematics

Karapınar's research engages with numerous advanced topics, such as:

  • Fixed Point Theorems Analysis
  • Nonlinear Differential Equations Analysis
  • Fractional Differential Equations Solutions
  • Optimization and Variational Analysis
  • Advanced Differential Geometry Research
  • Differential Equations and Numerical Methods
  • Differential Equations and Boundary Problems

Their recent publications illustrate a focus on fractional differential equations and boundary value problems. Selected recent papers include:

  • "On the solution of a boundary value problem associated with a fractional differential equation" (2020), published in Mathematical Methods in the Applied Sciences
  • "Uniqueness of solution for higher-order nonlinear fractional differential equations with multi-point and integral boundary conditions" (2021), published in Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas
  • "A discussion on the existence of positive solutions of the boundary value problems via ψ-Hilfer fractional derivative on b-metric spaces" (2020), published in Advances in Difference Equations
  • "Existence and Ulam stability for impulsive generalized Hilfer-type fractional differential equations" (2020), published in Advances in Difference Equations
  • "Impulsive Caputo-Fabrizio fractional differential equations in b-metric spaces" (2021), published in Open Mathematics

Frequent coauthors working with Karapınar include:

  • Mouffak Benchohra
  • Andreea Fulga
  • Abdelkrim Salım
  • Jamal Eddine Lazreg
  • Ravi P. Agarwal

Karapınar has contributed to the literature with book publications under the publisher Synthesis lectures on mathematics and statistics. These books include:

  • Advanced Topics in Fractional Differential Equations (2023)
  • Fractional Differential Equations (2023)
  • Fixed Point Theory in Generalized Metric Spaces (2022)

Their work is regularly published in scholarly venues, with frequent contributions to:

  • Mathematics
  • Filomat
  • Advances in Difference Equations
  • Journal of Function Spaces
  • Axioms

Best Publications

  • On α-ψ-Meir-Keeler contractive mappings

    Erdal Karapınar;Poom Kumam;Peyman Salimi

  • Existence and uniqueness of a common fixed point on partial metric spaces

    Thabet Abdeljawad;Erdal Karapinar;Kenan Tas

  • Generalized - Contractive Type Mappings and Related Fixed Point Theorems with Applications

    Erdal Karapınar;Bessem Samet

  • A fixed point theorem for set-valued quasi- contractions in b-metric spaces

    Hassen Aydi;Monica-Felicia Bota;Erdal Karapınar;Slobodanka Mitrović

  • Couple fixed point theorems for nonlinear contractions in cone metric spaces

    Erdal Karapınar

  • Fixed point theorems for operators on partial metric spaces

    Erdal Karapınar;İnci M. Erhan

  • Fixed point theory for cyclic weak ϕ-contraction

    Erdal Karapınar

  • The existence of optimal approximate solution theorems for generalized α -proximal contraction non-self mappings and applications

    Erdal Karapınar;Wutiphol Sintunavarat

  • Revisiting the Kannan Type Contractions via Interpolation

    Unknown

  • Edelstein type fixed point theorems

    Erdal Karapınar

  • A COMMON FIXED POINT FOR WEAK -CONTRACTIONS ON b-METRIC SPACES

    Hassen Aydi;Monica-Felicia Bota;Erdal Karapinar;Sirous Moradi

  • Coincidence point theorems on metric spaces via simulation functions

    Antonio-Francisco Roldán-López-de-Hierro;Erdal Karapınar;Concepción Roldán-López-de-Hierro;Juan Martínez-Moreno

  • Coupled fixed point results for ( ψ,φ )-weakly contractive condition in ordered partial metric spaces

    Hassen Aydi;Erdal Karapınar;Wasfi Shatanawi

  • Fixed Point Theory in Metric Type Spaces

    Ravi P. Agarwal;Erdal Karapinar;Donal O'Regan;Antonio Francisco Roldán López de Hierro

  • Generalizations of Caristi Kirk's Theorem on Partial Metric Spaces

    Erdal Karapinar

  • α-admissible mappings and related fixed point theorems

    Nawab Hussain;Erdal Karapınar;Peyman Salimi;Farhana Akbar

  • Interpolative Reich–Rus–Ćirić Type Contractions on Partial Metric Spaces

    Erdal Karapinar;Ravi P. Agarwal;Hassen Aydi

  • Solutions of the Nonlinear Integral Equation and Fractional Differential Equation Using the Technique of a Fixed Point with a Numerical Experiment in Extended b-Metric Space

    Thabet Abdeljawad;Ravi P Agarwal;Erdal Karapınar;P Sumati Kumari

  • On the solution of a boundary value problem associated with a fractional differential equation

    Rezan Sevinik Adigüzel;Ümit Aksoy;Erdal Karapinar;Erdal Karapinar;İnci M. Erhan

  • Discussion on some coupled fixed point theorems

    Bessem Samet;Erdal Karapınar;Hassen Aydi;Vesna Ćojbas̆ić Rajić

  • Quadruple fixed point theorems for nonlinear contractions

    Erdal KarapıNar;Nguyen Van Luong

  • Fixed point theory for cyclic (ϕ - ψ)-contractions

    Erdal Karapinar;Kishin Sadarangani

  • A fixed point theorem for set-valued quasicontractions in b-metric spaces

    Hassen Aydi;Monica Bota;Erdal Karapinar;Slobodanka Mitrović

Frequent Co-Authors

Hassen Aydi
Hassen Aydi University of Sousse
Ravi P. Agarwal
Ravi P. Agarwal Florida Institute of Technology
Bessem Samet
Bessem Samet King Saud University
Donal O'Regan
Donal O'Regan University of Galway
Mohamed Jleli
Mohamed Jleli King Saud University
Vladimir Rakočević
Vladimir Rakočević University of Nis
Wasfi Shatanawi
Wasfi Shatanawi Prince Sultan University
Poom Kumam
Poom Kumam King Mongkut's University of Technology Thonburi
Thabet Abdeljawad
Thabet Abdeljawad Prince Sultan University
Nawab Hussain
Nawab Hussain King Abdulaziz University

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