Best Mathematics Universities in Portugal 2023

The 2nd edition of ranking of the best universities in the field of Mathematics relies os data derived from various data sources including OpenAlex and CrossRef. The bibliometric data for estimating the citation-based metrics were acquired on 21-12-2022. Position in the ranking is based on a sum of D-indexes (Discipline H-index) of all ranking researcher’s affiliated with a given institution. D-index only includes papers and citation metrics for an examined discipline.
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The focus of our Mathematics research
Our best universities ranking is a reliable lineup of leading researchers from the area of Mathematics , based on a meticulous analysis of 166,880 researchers determined from multiple bibliometric data sources. For the area of Mathematics, over 6262 scholars were analysed.

What is D-index inclusion threshold for Mathematics
The D-index threshold for approving a scholar to be examined is placed at 30 if most of their publications are in the discipline of Mathematics. The inclusion factors for scientists to be considered into the ranking of top scholars are based on the D-index, proportion of the contributions made within the specific field of study as well as the awards and achievements of the researchers. The D-index threshold for including leading scientists is set as an increment of 10 depending on the overall number of scientists assessed for each scientific field whilst guaranteeing that the top 1% of best scholars are added into the list. There should be a proximity of 30% or less between a scholar’s general H-index and their D-index.

Other verification practices
As our primary goal is to make sure that only actual scholars are mentioned in ranking we are aware that metrics are never supposed to be an absolute means to evaluate the work of scholars. Because of that we manually inspect each profile and cross-correlate it against publications in a wide range of reliable sources. Even though it’s not a element defining a scholar’s position in the ranking, the amount of papers published in well-known journals and conference proceedings should be a valuable secondary indication of their contribution to research in a given field of study. Position in the ranking is determined by each scholar’s D-index according to data compiled from OpenAlex and CrossRef, which are the most trustworthy and well-established bibliometric databases of this type accessible to the scientific community. A thorough overview of our research procedures can be found on our methodology page.

Our mission
Our objective is to inspire scholars, entrepreneurs and administrative bodies worldwide to examine where prominent experts are heading and to give an opportunity for the whole research community to find out who the leading experts in specific disciplines, in different countries, or even within research institutions are.
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Key findings for Mathematics
With 4 institutions Portugal ranks in spot 34 globally.

As far as scientific affiliations are concerned, the institution with the highest number of leading scientists in Portugal is University of Aveiro with 2 scholars affiliated with it being listed in Mathematics ranking. It is followed by Polytechnic Institute of Porto with 1 researchers and University of Lisbon with 1 researchers.

The most prominent scholars in the field of Mathematics in Portugal are associated with Polytechnic Institute of Porto, University of Aveiro, University of Lisbon, University of Algarve. University of Aveiro is featured as the best university in the Portugal in our ranking with a total D-index of its ranking researchers at 94. Ranking on spot no. 2 is Polytechnic Institute of Porto with a total D-index of 78. The third position is occupied by University of Lisbon with a total D-index of 39.

The average total D-index for the top 1% universities is 94 in comparison to an average of 61 for all 4 institutions included in the ranking.

The average number of published articles within the discipline of Mathematics by scientists affiliated with the top 5% of scientists in the ranking is 627 against an average of 422 for all 4 universities.

The average number of citations of scientists affiliated with the top 1% universities is 17754 against an average of 17784 for all 4 universities.

University Details
Σ Publications
Σ D-Index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.
274 World 1 National Scholars 2 627 Σ D-index 94
324 World 2 National Scholars 1 766 Σ D-index 78
542 World 3 National Scholars 1 102 Σ D-index 39
600 World 4 National Scholars 1 194 Σ D-index 34

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