2 papers
hep-th2001
Symplectic, Multisymplectic Structures and Euler-Lagrange Cohomology
H. Y. Guo, Y. Q. Li, K. Wu +1
We study the Euler-Lagrange cohomology and explore the symplectic or multisymplectic geometry and their preserving properties in classical mechanism and classical field theory in L…
physics.comp-ph2001
A Note on Symplectic Algorithms
H. Y. Guo, Y. Q. Li, K. Wu
We present the symplectic algorithm in the Lagrangian formalism for the Hamiltonian systems by virtue of the noncommutative differential calculus with respect to the discrete time…