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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

“We relied on outsiders to document our histories.” – Zanele Muholi delivers Women’s Day Lecture
2014-08-13

 

Zanele Muholi
Photo: Stephen Collett

“Our society is decaying because of hate crimes against LGBTI groups. You can’t say it does not affect you, because each of us is at least connected to one person [of LGBTI orientation].”

These words by Zanele Muholi, photographer and visual activist of LGBTI rights, who delivered the Women’s Day Lecture. The event commemorated Women’s Day and took place on Thursday 7 August 2014 at the Bloemfontein Campus. The lecture was hosted by the Centre for Africa Studies, as part of their Gender Studies Programme.

Muholi screened photographs featuring lesbian couples and recounted their all-too-real life stories. Her work emphasises the importance of queering the normative gaze by representing black lesbians in ‘straight’ portraits in a collection of works titled ‘Faces and Phases’. By focusing on lesbians in her work, Muholi shows that women in same sex relationships are just women, with the same dreams and aspirations as their heterosexual sisters.

But lesbian women carry an additional, grave fear – that of corrective rape. Muholi speaks on this topic in the video, ‘We live in fear’, which she screened during her talk. The documentary features the lives of lesbian women in Kwa Thema township in Johannesburg. Shockwaves spread through this settlement in 2008 after the brutal killing of a lesbian woman and the ensuing series of hate crimes against the LGBTI community.

Zanele describes her work as “documenting our own stories. For years we relied on outsiders to document our histories. We should do it ourselves.”

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