| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Chemistry | 82 | 3082 | 2778 | 231 | 210 | 455 | 24450 |
The chart shows the history of publications by Ralf Ludwig between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ralf Ludwig published across 35 years, from 1991 to 2025, averaging 30.1 papers a year. Output peaked at 84 publications in 2021. 95 of the 1,054 publications appeared in the last two years.
1,054 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1991 | 3 |
| 1992 | 4 |
| 1993 | 5 |
| 1994 | 5 |
| 1995 | 8 |
| 1996 | 2 |
| 1997 | 5 |
| 1998 | 8 |
| 1999 | 9 |
| 2000 | 9 |
| 2001 | 8 |
| 2002 | 17 |
| 2003 | 22 |
| 2004 | 17 |
| 2005 | 19 |
| 2006 | 21 |
| 2007 | 27 |
| 2008 | 24 |
| 2009 | 27 |
| 2010 | 46 |
| 2011 | 40 |
| 2012 | 50 |
| 2013 | 46 |
| 2014 | 33 |
| 2015 | 36 |
| 2016 | 46 |
| 2017 | 65 |
| 2018 | 69 |
| 2019 | 66 |
| 2020 | 66 |
| 2021 | 84 |
| 2022 | 34 |
| 2023 | 38 |
| 2024 | 33 |
| 2025 | 62 |
| Total | 1,054 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ralf Ludwig sits on this spectrum.
This scientist: 455 publications — 85th percentile
85% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,295 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 61–80 | 66 | |
| 81–100 | 302 | |
| 101–120 | 623 | |
| 121–140 | 918 | |
| 141–160 | 1,218 | |
| 161–180 | 1,350 | |
| 181–200 | 1,344 | |
| 201–220 | 1,281 | |
| 221–240 | 1,216 | |
| 241–260 | 1,100 | |
| 261–280 | 979 | |
| 281–300 | 939 | |
| 301–320 | 764 | |
| 321–340 | 643 | |
| 341–360 | 628 | |
| 361–380 | 522 | |
| 381–400 | 459 | |
| 401–420 | 397 | |
| 421–440 | 327 | |
| 441–460 | 270 | 455 |
| 461–480 | 265 | |
| 481–500 | 252 | |
| 501–520 | 201 | |
| 521–540 | 185 | |
| 541–560 | 148 | |
| 561–580 | 148 | |
| 581–600 | 132 | |
| 601–620 | 114 | |
| 621–640 | 104 | |
| 641–660 | 91 | |
| 661–680 | 92 | |
| 681–700 | 73 | |
| 701–720 | 57 | |
| 721–740 | 54 | |
| 741–760 | 67 | |
| 761–780 | 45 | |
| 781–800 | 46 | |
| 801–820 | 39 | |
| 821–840 | 32 | |
| 841–860 | 36 | |
| 861–880 | 29 | |
| 881–900 | 26 | |
| 901–920 | 24 | |
| 921–940 | 14 | |
| 941–960 | 23 | |
| 961–980 | 28 | |
| 981–1,000 | 15 | |
| 1,001–1,020 | 29 | |
| 1,021–1,040 | 12 | |
| 1,041–1,060 | 19 | |
| 1,061–1,080 | 12 | |
| 1,081–1,100 | 6 | |
| 1,101–1,120 | 8 | |
| 1,121–1,140 | 12 | |
| 1,141–1,160 | 5 | |
| 1,161–1,180 | 6 | |
| 1,181–1,200 | 14 | |
| 1,201–1,220 | 7 | |
| 1,221–1,240 | 2 | |
| 1,241–1,260 | 6 | |
| 1,261–1,280 | 4 | |
| 1,281–1,294 | 6 | |
| 1,295+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ralf Ludwig sits on this spectrum.
This scientist: 82 D-Index — 83rd percentile
83% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 159 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 40–41 | 289 | |
| 42–43 | 612 | |
| 44–45 | 808 | |
| 46–47 | 776 | |
| 48–49 | 835 | |
| 50–51 | 861 | |
| 52–53 | 872 | |
| 54–55 | 933 | |
| 56–57 | 1,051 | |
| 58–59 | 930 | |
| 60–61 | 882 | |
| 62–63 | 834 | |
| 64–65 | 731 | |
| 66–67 | 775 | |
| 68–69 | 683 | |
| 70–71 | 646 | |
| 72–73 | 561 | |
| 74–75 | 501 | |
| 76–77 | 437 | |
| 78–79 | 388 | |
| 80–81 | 354 | |
| 82–83 | 292 | 82 |
| 84–85 | 275 | |
| 86–87 | 254 | |
| 88–89 | 235 | |
| 90–91 | 185 | |
| 92–93 | 192 | |
| 94–95 | 155 | |
| 96–97 | 163 | |
| 98–99 | 125 | |
| 100–101 | 105 | |
| 102–103 | 105 | |
| 104–105 | 112 | |
| 106–107 | 88 | |
| 108–109 | 68 | |
| 110–111 | 69 | |
| 112–113 | 65 | |
| 114–115 | 79 | |
| 116–117 | 61 | |
| 118–119 | 44 | |
| 120–121 | 37 | |
| 122–123 | 40 | |
| 124–125 | 33 | |
| 126–127 | 26 | |
| 128–129 | 34 | |
| 130–131 | 35 | |
| 132–133 | 25 | |
| 134–135 | 27 | |
| 136–137 | 17 | |
| 138–139 | 16 | |
| 140–141 | 20 | |
| 142–143 | 20 | |
| 144–145 | 15 | |
| 146–147 | 9 | |
| 148–149 | 9 | |
| 150–151 | 16 | |
| 152–153 | 11 | |
| 154–155 | 9 | |
| 156–157 | 3 | |
| 158 | 3 | |
| 159+ | 98 |
Ralf Ludwig is affiliated with the University of Rostock in Germany and has a broad research focus within Medicine, encompassing several specialized subfields. Their main areas of study include Pathology and Forensic Medicine, Rheumatology, Genetics, Immunology, and Dermatology.
The researcher's work primarily addresses topics related to autoimmune and inflammatory conditions. Key research themes include:
Ralf Ludwig has contributed to a significant number of publications, often collaborating with frequent co-authors such as Khalaf Kridin, Katja Bieber, Enno Schmidt, Detlef Zillikens, and Diamant Thaçi. Their research output is published in several prominent journals. The venues with the highest number of their publications include:
Notable recent papers by Ralf Ludwig include:
The scientist's work spans emerging and established areas of clinical and immunological research, reflecting an ongoing commitment to understanding chronic inflammatory skin diseases and autoimmune conditions.
Ralf Ludwig
Albert Boddien;Albert Boddien;Dörthe Mellmann;Felix Gärtner;Ralf Jackstell
Brigitte Rüster;Brigitte Rüster;Stephan Göttig;Stephan Göttig;Ralf J. Ludwig;Ralf J. Ludwig;Roxana Bistrian;Roxana Bistrian
Saravanakumar Elangovan;Christoph Topf;Steffen Fischer;Haijun Jiao
Christian M. Karsten;Manoj K. Pandey;Julia Figge;Regina Kilchenstein
Ralf J. Ludwig;C. Herzog;A. Rostock;Falk Rudiger Ochsendorf
Ralf J. Ludwig;Karen Vanhoorelbeke;Frank Leypoldt;Ziya Kaya
Koichi Fumino;Alexander Wulf;Ralf Ludwig
Thorsten Köddermann;Dietmar Paschek;Ralf Ludwig
Albert Boddien;Björn Loges;Felix Gärtner;Christian Torborg
Thorsten Köddermann;Christiane Wertz;Andreas Heintz;Ralf Ludwig
Koichi Fumino;Alexander Wulf;Ralf Ludwig
Sandra Boehncke;Diamant Thaci;Heike Beschmann;Ralf J. Ludwig
Koichi Fumino;Tim Peppel;Monika Geppert-Rybczyńska;Monika Geppert-Rybczyńska;Dzmitry H. Zaitsau
Thorsten Köddermann;Christiane Wertz;Andreas Heintz;Ralf Ludwig
P. Joly;B. Horvath;Α Patsatsi;S. Uzun
Koichi Fumino;Alexander Wulf;Ralf Ludwig
Alexander Wulf;Koichi Fumino;Ralf Ludwig
Koichi Fumino;Sebastian Reimann;Ralf Ludwig
Koichi Fumino;Alexander Wulf;Ralf Ludwig
Ralf J. Ludwig;Beatrice Boehme;Maurizio Podda;Reinhard Henschler
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