Alexis Nangue is a senior lecturer at the Higher Teacher's Training College of the University of Maroua, Cameroon. He was hosted by Prof. Alan Rendall at the Johannes Gutenberg University Mainz, Germany. During the research period Alexis Nangue will do research on Differential Equations and Virus Dynamics Domains.

Layla Sorkatti is an assistant professor at the El-Neelain University, Khartoum, Sudan. She was hosted by Prof. Ban Dubravka at the Southern Illinois University at Carbondale, USA. During the research period Layla Sorkatti did research on Iwasawa rings and modules as well as on advanced algebra, especially symplectic algebras.

Deborah Olayide Ajayi is an Associate Professor at the University of Ibadan, Nigeria. She was hosted by Prof. Ulrike Tillmann at the University of Oxford, UK from May 15, 2021 - June 28, 2021. During the research period Deborah Olayide Ajayi did research on the theory of persistence approach to homology, cohomology, Stiefel-Whitney classes; their computations and applications in topological data analysis.

Adewale Lukman is a Lecturer at the Landmark University, Nigeria. He was hosted by Prof. Golam Kibria at the Florida International University, USA, from April 1 to April 30, 2021. During the research period he did research on developing a new estimator that can handle the problem of multicollinearity in the autoregressive distributed lag model.

Egberanmwen Iyare is a Lecturer at the Samuel Adegboyega University, Nigeria. He was hosted by Prof. Jianhong Wu at the York University, Canada. His research period will be from 01.07.2021-31.12.2021. During the research period he did research on tuberculosis and lymphatic filariasis co-infection model with mobile host and its optimal control analysis.

Due to Covid 19 the research visit has been postponed.

Chinwendu E. Madubueze is a Lecturer at the Federal University of Agriculture, Nigeria. She was hosted by Prof. Jane Heffernan at the York University, Canada. During the research period she did research on mathematical modelling of infectious diseases.

Imen Manoubi is an Assistant Professor at the ISSATGb, Tunisia. She was hosted by Prof. Olivier Goubet at the Lille University, France from 05.01.2022 - 02.02.2022. During the research period she researched on the analysis of an evolution equation with a non local term that come from different fields of science