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astro-ph.IM2026
Efficient high-order explicit symplectic splitting methods for post-Newtonian Hamiltonian systems
Yujie Jiang, Lijie Mei
The nonseparability of post-Newtonian (PN) Hamiltonian systems typically necessitates the use of computationally expensive implicit integrators. Recent research overcomes this limi…
astro-ph.IM2024★ 1 cited
Generalized flow-composed symplectic methods for post-Newtonian Hamiltonian systems
Shixiang Huang, Kaiming Zeng, Xinghua Niu +1
Due to the nonseparability of the post-Newtonian (PN) Hamiltonian systems of compact objects, the symplectic methods that admit the linear error growth and the near preservation of…