Found 14 Documents (Results 1–14)
Conformally invariant elliptic Liouville equation and its symmetry-preserving discretization. (English. Russian original) Zbl 1409.35087
Theor. Math. Phys. 196, No. 3, 1307-1319 (2018); translation from Teor. Mat. Fiz. 196, No. 3, 419-433 (2018).
Symmetry reduction of ordinary finite difference equations using moving frames. (English) Zbl 1366.39001
Continuous symmetries of certain nonlinear partial difference equations and their reductions. (English) Zbl 1343.39024
Perturbation to symmetry and adiabatic invariants of discrete nonholonomic nonconservative mechanical system. (English) Zbl 1315.70009
Hojman conserved quantities of discrete mechanico-electrical systems constructed by continuous symmetries. (English) Zbl 1236.78010
Hojman conserved quantities and Lie symmetries of discrete non-conservative systems. (English) Zbl 1173.70008
Umbral calculus, difference equations and the discrete Schrödinger equation. (English) Zbl 1064.39020
Symmetries, Lagrangian formalism and integration of second order ordinary difference equations. (English) Zbl 1362.39008
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