Slides from an invited talk at Università di Salerno.
Lecture lenght: 45 + 45 minutes
Place: Department of Mathematics, University of Salerno, Fisciano, Italy;
Date: 19 March 2019.
Roughly covering sections 2,3,6 of arXiv:1805.01696
Eventually could be added something about section 4 (Brynliski's loop space as a covariant space)
The contents of section 5 it is better suited for another talk "Geometric quantization and HOMFLYPT polynomials"