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11 January 2018 Photo Charl Devenish
UFS researcher publishes the highest-cited Maths paper in the world in 2017
An article by Prof Abdon Atangana from the University of the Free State’s Institute for Groundwater Studies received New Hot Paper status from Clarivate Analytics.
An article on Applied Mathematics, published by Prof Abdon Atangana from the University of the Free State’s Institute for Groundwater Studies in 2017, was recently named New Hot Paper by Clarivate Analytics.

Hot paper status
Essential Science Indicators (ESI) is a unique and comprehensive compilation of science performance statistics and science trends. Data is based on journal article publication counts and citation data from Clarivate Analytics that enables researchers to conduct ongoing, quantitative analyses of research performance and track trends in science. Covering a multidisciplinary selection of 1 2000+ journals from around the world, this in-depth analytical tool offers data for ranking papers, scientists, institutions, countries, and journals. 

ESI from Clarivate Analytics is updated every two months. The New Hot Papers, which are papers published in the past two years, are in the top one-tenth of one percent (0.1%) for their field and publication period. Prof Atangana’s paper had the highest cite count in the field of Mathematics. 

His article that received the New Hot Paper status is titled: “The new fractional derivative and application to nonlinear Fisher’s reaction-diffusion equation”.

The concept of fractional differential operators with non-singular kernel has captured the minds of several researchers in the past year due to their wider applicability in almost all fields of science, engineering and technology. The new fractional differential operators have opened new windows to model complex real-world problems that could not be modelled using the Newtonian and the well-known Riemann-Liouville fractional differential operators. 

“These operators are the way forward in modelling real-world problems in all disciplines, as they are able to include into mathematical formulation the effect of memory,” Prof Atangana said.

The Atangana-Baleanu fractional derivative
The professor developed a new fractional differential operator, called the Atangana-Baleanu fractional derivative. This derivative is able to describe real-world problems with different scales or problems that change their properties during time and space, for instance, the spread of cancer; the flow of water within heterogeneous aquifers, movement of pollution within fractured aquifers and many others.”

News Archive

Multilingualism and exclusion to be discussed
2007-11-27

 
 Some of the UFS staff who will be attending the colloquium on multilinguisim and exclusion in Antwerp, Belgium are, from the left, front: Prof. Theo du Plessis and Ms Susan Lombaard; back: Prof. Johan Lubbe and Mr Roelof Geyser. All are from the Unit for Language Management.
 
Multilingualism and exclusion to be discussed

Five members of the University of the Free State’s (UFS) Unit for Language Management will be taking part in an international colloquium at the University of Antwerp in Belgium on the theme: “Multilingualism and exclusion – perspectives on language and society” this week.

“During this week’s colloquium, approximately twenty South African and Flemish colleagues will reflect on the complex relationships within multilingual communities, where a variety of factors can contribute to the inclusion or exclusion of individuals or communities. Some of the papers will focus on policy measures (“from above”) with regard to the relative position of languages in a particular state, and the impact of these policy measures on the lives of language users. Others will investigate perceptions and “appropriation” (“from below”) by the same language user. In view of the multiple points of departure, the colloquium should contribute towards a better understanding of the dynamics within multilingual communities,” said Prof. Theo du Plessis, Director of the Unit for Language Management at the UFS.

“To give expression to the theme of multilingualism and exclusion, lectures will be presented in three languages, namely Afrikaans, English and Dutch. Several postgraduate students (from South Africa and Flanders) will also have an opportunity to report on investigations they are conducting within the framework of their master’s degree and doctoral studies,” said Prof. Du Plessis.

The colloquium is a follow-up of an international symposium held at the UFS during April 2006 in which a considerable number of outstanding scholars from various countries participated.

According to Prof. Du Plessis, the proceedings of the symposium held last year will be released in book form as part of the unit’s publication series “Studies in Language Policy in South Africa”, published by Van Schaik Publishers.

This sixth issue in the series entitled: “Multilingualism and Exclusion. Policy, Practice, Prospects” will be released tonight (26 November 2007) by the Permanent Deputy of the Province of Antwerp at a prestigious event during the colloquium. The issue was edited by Prof. Du Plessis, Prof. Pol Cuvelier (University of Antwerp), Dr Michael Meeuwis (University of Ghent) and Ms Lut Teck (Institute for Higher Education and the Arts in Brussels).

The UFS will be represented by Prof. Du Plessis, Prof. Johan Lubbe, Ms Susan Lombaard and Mr Roelof Geyser of the Unit for Language Management, as well as Prof. Jackie Naudé of the Department of Afro-Asiatic Studies, Sign Language and Language Practice. Representatives from the universities of Pretoria, Johannesburg, North West and the Monash University in Johannesburg will also be participating in the colloquium.

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za
26 November 2007

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