2 papers
math.NA2020
Spectral Fractional Laplacian with Inhomogeneous Dirichlet Data: Questions, Problems, Solutions
Stanislav Harizanov, Svetozar Margenov, Nedyu Popivanov
In this paper we discuss the topic of correct setting for the equation , with . The definition of the fractional Laplacian on the whole space , $n=…
q-bio.PE2020
Mathematical and Computer Modeling of COVID-19 Transmission Dynamics in Bulgaria by Time-depended Inverse SEIR Model
Svetozar Margenov, Nedyu Popivanov, Iva Ugrinova +2
In this paper we explore a time-depended SEIR model, in which the dynamics of the infection in four groups from a selected target group (population), divided according to the infec…