46 citations · 164 across the 19 of their papers we have counts for
Showing 2020Show all
2 papers · 1 filter
math-ph2020★ 2 cited
Momentum approach to the potential as a toy model of the Wilsonian renormalization
Jan Dereziński, Oskar Grocholski
The Bessel operator, that is, the Schrödinger operator on the half-line with a potential proportional to , is analyzed in the momentum representation. Many features of this…
math.CA2020★ 7 cited
From Heun Class Equations to Painlevé Equations
Jan Dereziński, Artur Ishkhanyan, Adam Latosiński
In the first part of our paper we discuss linear 2nd order differential equations in the complex domain, especially Heun class equations, that is, the Heun equation and its conflue…