Lecture notes of Seminario Interdisciplinare di Matematica - Vol. XV (2020)

**Contents of Volume**
Title	Author	Pages
The Hardy space from an engineer's perspective	Nicola Arcozzi, Richard Rochberg	1-31
A conjecture of Trautman	Howard Jacobowitz	33-43
Liouville-type theorems for Kolmogorov and Ornstein{Uhlenbeck operators	Alessia E. Kogoj	45-53
(Ir-)Regularity of canonical projection operators on some weakly pseudoconvex domains	Alessandro Monguzzi, Marco M. Peloso	55-73
Quasiconformal mappings in the hyperbolic Heisenberg group and a lifting theorem	Ioannis D. Platis	75-105