Meljanac, S.; Škoda, Z.; Svrtan, D.
(Symmetry, Integrability and Geometry: Methods and Applications, 2012)
Given formal differential operators Fi on polynomial algebra in several variables x₁,…,xn, we discuss finding expressions Kl determined by the equation exp(∑ixiFi)(exp(∑jqjxj))=exp(∑lKlxl) and their applications. The ...