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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

UFS’s Unit for Children’s Rights instrumental in helping human trafficked victim
2010-03-29

Adv. Beatri Kruger.
Photo: Leonie Bolleurs
“Wheeling and dealing is part of our daily life. But what if the ‘product’ bought or sold is not a spanner or a cell phone, but a living human being? Disturbing news came to the fore... apart from other places in the country, and for that matter all over the world, it was discovered that people are treated like commodities here in Bloemfontein as well,” said Adv. Beatri Kruger from the Unit for Children’s Rights at the University of the Free State (UFS).

Adv. Kruger was instrumental in completing and availing the first comprehensive Research Report on Human Trafficking in South Africa to the public on 23 March 2010. As a member of the Reference Group advising on interim research reports on human trafficking, she contributed to the report. The report proves to be an extremely valuable tool for, among others, government departments and non-governmental organisations that use it as a guideline in planning interventions to combat human trafficking.

The Unit for Children’s Rights is also one of the founding members of the Free State Human Trafficking Forum (FHF). To react on and fight the disturbing reality of human trafficking more efficiently, a number of concerned role players such as Child Welfare and other non-governmental organisations, police officials, prosecutors, social workers, health practitioners, private businesses, churches and community organisations joined forces and formed the FHF. The Unit for Children’s Rights hosts monthly meetings at the UFS to facilitate the coordination of this multi-disciplinary counter-trafficking team.

Adv. Kruger is very excited about some of the successes of the FHF; such as the story of Soma (not her real name). This Indian woman was recruited in India by an Indian couple who are staying in South Africa, by promising her a good job in South Africa. However, instead of finding the promised job, Soma was extensively exploited for labour purposes. With the help of a “good Samaritan” she managed to escape from the perpetrators and fled to the police. Soma was removed to ensure her safety and accommodated in a safe place in Bloemfontein. Counselling and other services were rendered to her by an organisation which is also a member of the FHF. One of the challenges facing Soma and the service providers was that Soma speaks a foreign dialect and for weeks a trusted interpreter could not be found.

This obstacle rendered communication with her to the bare minimum. The perpetrators were arrested but unfortunately the new comprehensive counter-trafficking law is not in force yet. Therefore the perpetrators could only be convicted of some offences in the Immigration Act. However, due to good police investigation followed by shrewd consultations, the perpetrators agreed to pay for the victim’s return flight to India as well as for the flight ticket of the investigating officer to escort her to safety. The Unit for Children’s Rights did networking with Ms Maria Nikolovska of the International Organisation for Migration (IOM), who agreed to assist in the safe reintegration of Soma in India. Soma is now on her way back home.

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