Dear all,
this message is to inform you about two calls for papers of special issues at two different journals.
My warmest regards,
Roy Cerqueti

Some details:

1) Journal: Axioms - Title: Statistical Methods for Finance and Econophysics - Guest editors: Roy Cerqueti, Raffaele Mattera.
See here: https://www.mdpi.com/journal/axioms/special_issues/2S5S0H34PA

2) Journal: Frontiers in Applied Mathematics and Statistics - Title: Theories and Applications in Network Science Volume II - Guest editors: Roy Cerqueti, Feng Bill Shi, Hsuan-wei Wayne Lee.
See here:
https://www.frontiersin.org/research-topics/43626/theories-and-applications-in-network-science---volume-ii