Fortuné Massamba is an Associate Professor at the University of KwaZulu-Natal, Pietermaritzburg, South Africa. He was hosted by Prof. Joel Tossa at the Institute de Mathematiques et de Sciences Physiques, Porto-Novo, Bénin during the period 18.05.2018 - 18.07.2018. His research topics included Goldberg Conjecture and locally conformal geometry. For his report go here.

Patrice Ntumba is a Associate Professor at the University of Pretoria, Hatfield, South Africa. He was hosted by Prof. Anne Queguiner-Mathieu at the LAGA Universite Paris 13, Villetaneuse, France during the period 07.05.2018 - 18.06.2018. The research project focused on the algebraic aspects of Clifford algebras. For his report go here.

Hassane Bouzahir is a Full Professor at the Ibn Zohr University, Agadir, Morocco. He was hosted by Prof. Alessandro N. Vargas at the Federal University of Technology, Parana, Brazil during the period 16.08.2018 - 31.08.2018. His research concerned stochastic dynamical systems and application in engineering. For his report go here.

Bernadette Faye is an Assistant Lecturer at the University Gaston Berger of Saint Louis (UGB), Senegal. She was hosted by Prof. Alain Togbe at the Purdue University, NorthWest, USA during the period 14.10.2018 - 14.11.2018. Her research project concerned the study of Diophantine equations that involve in one hand $x$-coordinates of a general Pell equation and one another hand $k$- generalized Fibonacci numbers. For her report go here.

Ihsen Yengui is a Full Professor at the University of Sfax, Tunisia. He was hosted by Prof. Annick Valibouze at the LIP6- Sorbonne Universités, Paris, France during the period 04.01.2019 - 25.02.2019. His research project concerned algebraic statistics and the design of experiments. For his report go here.

Job Bonyo is a Lecturer at the Maseno University, Kenya. He was hosted by Prof. Aristomenis G. Siskakis at the Aristotle University of Thessaloniki, Greece during the period 15.01.2019 - 14.02.2019. His research project studied the semigroup and spectral properties of semigroups of composition operators corresponding to the scaling group as well as the translation and rotation groups. For his report go here.

Yuliya Zelenyuk is a Professor at the University of the Witwatersrand, Johannesburg, South Africa. She was hosted by Prof. Fedor Sukochev at the University of New South Wales, Sydney, Australia during the period 01.12.2018 - 01.02.2019. Her research project included studies of the area of topological algebra and its application to geometry and functional analysis. For her report go here.

Franck Adekambi is an associate professor at the University of Johannesburg, South Africa. He was hosted by Prof. Runhuan Feng at the University of Illinois at Urbana Champaign, USA during the period 02.01.2019 - 31.01.2019. His research project focused on phase-type approximations of the Gerber-Shiu function in the compound renewal risk process with dependence between inter-arrival times and health care modeling. For his report go here.