papers
Publications (6)
math-ph2011
Are there Contact Transformations for Discrete Equations?
Decio Levi, Zora Thomova, Pavel Winternitz
nlin.SI2014
Lie group analysis of a generalized Krichever-Novikov differential-difference equation
Decio Levi, Eugenio Ricca, Zora Thomova +1
math-ph2018
Differential equations invariant under conditional symmetries
Decio Levi, Miguel Angel Rodriguez, Zora Thomova
math-ph1997
Maximal Abelian Subgroups of the Isometry and Conformal Groups of Euclidean and Minkowski Spaces
Zora Thomova, Pavel Winternitz
math.GR1998
Maximal Abelian Subalgebras of e(p,q) algebras
Zora Thomova, Pavel Winternitz
math-ph2011
Contact transformations for difference schemes
Decio Levi, Zora Thomova, Pavel Winternitz