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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 hosts sign language workshop to educate parents
2017-05-22

Description: Sign language workshop to educate parents Tags: Sign language workshop to educate parents

Back row; from left; John Keitsemore from
Bartimea School for the Deaf; Philip Cook,
the headmaster at De la Bat School for the
Deaf in Worcester; Jeannie Cook, De la Bat School
for the Deaf; front, from left; Marisa Vermeulen, mother
of two deaf children and teacher at Bartimea
School for the Deaf in Thaba Nchu; Marianne Kühn,
audiologist, and Susan Lombaard, acting Head of the
Department of South African Sign Language.
Photo: Rulanzen Martin

“Ninety percent of deaf children are born into hearing families. When parents first receive the news, they are shocked, angry and confused,” says Susan Lombaard, Acting head of the Department of South African Sign Language at the University of the Free State (UFS).

The department hosted a workshop, “Early intervention options for the child with a hearing loss”, on Friday 12 May 2017 on the Bloemfontein Campus. “It is the first time a sign language workshop of this kind was hosted by the Department of South African Sign Language at the UFS,” says Lombaard, who facilitated the workshop. They hope to make it an annual event.

Parents of deaf children do not always know how they will communicate with their children or where the child must attend school. The workshop aimed to provide parents with the necessary information on different communication options and also touched on school placement.

Support group for parents established
A support group for parents was also established, the first of its kind in the province. It will provide much-needed support, information and guidance for parents of deaf children.

Some of the speakers at the workshop included Anri Esterhuizen, an audiologist; Marianne Kühn from the Carel du Toit Centre, Marisa Vermeulen, who is a mother of two deaf children, and Phillip Cook, the headmaster at De la Bat School for the Deaf in Worcester, in the Western Cape. Jeannie Cook, also a presenter, provided information on sign language acquisition of the small deaf child, which is done through creative play.

Professionals have responsibility
South African Sign Language is a language in its own right and is not international. “Sign language is a visual language with its own grammar and syntax different from spoken language,” Lombaard said.

There has been much controversy surrounding teaching deaf children to speak and teaching them to sign. “We as professionals have the responsibility to provide information on all options. This is to help the parent make informed decisions about communication and school placement.”

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