The 2nd edition of Research.com ranking of the best researchers in the
arena of Mathematics is based on data
derived from a wide range of data sources including OpenAlex and
CrossRef. The bibliometric data for devising the citation-based metrics were
gathered on 21-12-2022. Position in the ranking is based on a
researcher’s D-index (Discipline H-index), which
includes exclusively publications and citation
metrics for an examined discipline.
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The focus of our Mathematics research
Research.com’s best scientists ranking is a credible
list of leading scholars from the area of
Mathematics, based on a thorough
analysis of 166,880 scholars determined
from a variety of bibliometric data sources. For the discipline of
Mathematics, more than 6262 scientists were
examined.
What is D-index acceptance threshold for Mathematics
The D-index threshold for including a researcher to be
examined is set to 30 if
the majority of of their publications are in the discipline of Mathematics. The
inclusion factors for researchers to be
considered into the ranking of top scholars are based on the D-index, proportion
of the publications made within the specific area
as well as the awards and achievements of the scientists. The
D-index threshold for listing leading researchers is
set as an increment of 10 depending on the total number of scientists
projected for each discipline whilst
guaranteeing that the top 1% of best scientists are
added into the list. We estimate a proximity of
30% or less between a researcher’s general H-index and their D-index.
Additional verification methods
Since our primary goal is to ensure that only
credible scholars are mentioned in
our ranking we believe that raw data are never
supposed to be an absolute measure to evaluate the
work of researchers. For that reason
we manually check every profile and cross-correlate it against publications in a
varied range of reliable sources. Even though it’s not a
factor impacting a researcher’s position in
the ranking, the amount of papers published in
major journals and conference proceedings should be a
credible secondary indication of their contribution to research in a
given field of study. Position in the ranking is
established using every scholar’s D-index
using data compiled from OpenAlex and
CrossRef, which are the most prominent and well-established bibliometric
databases of this type accessible to the research community. A
comprehensive definition of our research process
can be found on our
methodology page.
Our goal
Our mission is to inspire scientists,
entrepreneurs and decision-makers
worldwide to explore where prominent experts are heading
and to offer a way for the whole scientific community to
get to know who the leading experts in specific
disciplines, in various countries, or even within research
institutions are.
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Key findings for Mathematics
With 21 scientists Sweden ranks in spot 20
globally.
As far as institutions are concerned, the institution with the highest number of top researchers in Sweden is Royal Institute of Technology with 5 scientists affiliated with it being features in the Mathematics ranking. It is followed by Lund University with 4 scientists. Ranking thirds is Linnaeus University with 3 scholars.
Prominent scientists featured in Sweden are representing Chalmers University of Technology, Linnaeus University, Karlstad University, Royal Institute of Technology, Uppsala University, Jönköping University, Linköping University, Umeå University, Stockholm University, Lund University.
Professor Svante Janson from Uppsala University is listed as the best researcher in Sweden in our ranking with a D-index of 71. Ranking on spot no. 2 in Sweden is Lars Hörmander from Lund University with a D-index of 57. The third place in Sweden is taken by Andrei Khrennikov from Linnaeus University with a D-index of 55.
The average D-index for the top 5% researchers is 71 against an average of 42 for all 21 scholars listed in the ranking.
The average number of publications within the discipline of Mathematics for the top 5% of scientists in the ranking is 424 against an average of 206 for all 21 researchers.
The average number of citations for the top 1% scientists is 12871 against an average of 12871 for all 21 scientists.
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