3 papers
math-ph2021
WDVV equations and invariant bi-Hamiltonian formalism
Jakub Vašíček, Raffaele Vitolo
The purpose of the paper is to show that, in low dimensions, the WDVV equations are bi-Hamiltonian. The invariance of the bi-Hamiltonian formalism is proved for . More example…
nlin.SI2020
Symmetry nonintegrability for extended equation
Jakub Vašíček
In the present paper we study symmetries of extended equation where are arbitrary real constants and $…
math-ph2018
Symmetries and conservation laws for a generalization of Kawahara equation
Jakub Vašíček
We provide a complete classification of generalized and formal symmetries and local conservation laws for an evolution equation which generalizes the Kawahara equation having impor…