 | Speaker: Tin-Yau TAM, University of Nevada, USA Title: : Extensions of Weyl-Horn Theorem and Horn-Steinberg Theorem of a nonsingular matrix Abstract: Please click. |
 | Speaker: Carla M. A. Pinto, School of Engineering Polytechnic of Porto, Portugal Title: Being a teacher in the challenging times of COVID-19 pandemic Abstract: Please click. |
 | Speaker: Miguel Angel Gonzalez LEON, University of Salamanca, Spain Title: A new generalized Holling type II model for the interaction between a predator and two preys in competition Abstract: Please click. |