A novel symplectic integrator for Hamiltonian equations on $S_2^n \times T^{\ast} \RR^m$ is developed and studied. Partitioned Runge--Kutta methods for Hamiltonian systems on products of Hamiltionian manifolds are studied, specifically, algebraic conditions for their symplecticity are derived.
A long-term numerical energy-preserving analysis of symmetric and/or symplectic extended RKN integrators for efficiently solving highly oscillatory Hamiltonian systems
Qufu Normal University(曲阜师范大学);University of Tübingen(蒂宾根大学);Nanjing University(南京大学)
Fast symplectic integrator for Nesterov-type acceleration method
Center of Mathematics for Artificial Intelligence and Data Science(人工智能与数据科学数学中心);Chubu University(中部大学);The Institute of Statistical Mathematics(统计数学研究所);RIKEN AIP(理化学研究所先进智能项目中心)
Preservation of stability properties near fixed points of linear hamiltonian systems by symplectic integrators
Harbin Institute of Technology(哈尔滨工业大学);University of Washington(华盛顿大学);Academy of Mathematics and System Sciences, Chinese Academy of Sciences(中国科学院数学与系统科学研究院)
High order symplectic integrators based on continuous-stage Runge-Kutta Nystrom methods
College of Mathematics and Statistics, Changsha University of Science and Technology(长沙理工大学数学与统计学院);LSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences(中国科学院数学与系统科学研究院计算数学与科学工程计算研究所);School of Science, East China Jiaotong University(华东交通大学理学院)
Exponential Stability Estimate of Symplectic Integrators for Integrable Hamiltonian Systems
Inner Mongolia University(内蒙古大学);Institute of Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences(中国科学院数学与系统科学研究院数学研究所);South China University of Technology(华南理工大学)
Stochastic K-symplectic integrators for stochastic non-canonical Hamiltonian systems and applications to the Lotka--Volterra model
School of Mathematical Sciences, University of Chinese Academy of Sciences(中国科学院大学数学科学学院);Institute of Applied Physics and Computational Mathematics(应用物理与计算力学研究所);School of Science, East China Jiaotong University(华东交通大学理学院)
Institute of Fundamental Sciences, Massey University(马斯特里赫特大学基础科学研究所);Mathematical Sciences, Chalmers University of Technology(查尔姆斯理工大学数学科学系);Mathematics and Mathematical Statistics, Umeå Universitet(于默奥大学数学与数理统计系)
High precision Symplectic Integrators for the Solar System
Astronomie et Systèmes Dynamiques, IMCCE-CNRS UMR8028, Observatoire de Paris, UPMC(巴黎天文动力学与系统研究所);Instituto de Matemática Multidisciplinar, Universitat Politécnica de València(瓦伦西亚理工大学多学科数学研究所);Institut de Matemàtiques i Aplicacions de Castelló and Departament de Matemàtiques, Universitat Jaume I(卡斯特利翁数学与应用研究所及马德里卡洛斯三世大学数学系);Konputazio Zientziak eta A.A. saila, Informatika Fakultatea, EHU/UPV(巴斯克大学计算机学院)
Multi-symplectic Preserving Integrator for the Schrödinger Equation with Wave Operator
Jiangxi Normal University(江西师范大学);Institute of Computational Mathematics and Scientific/Engineering Computing, AMSS, CAS(中国科学院数学与系统科学研究院计算数学与科学工程计算研究所)
Butcher series for Hamiltonian Poisson integrators through symplectic groupoids
Univ Rennes, INRIA (Research team MINGuS), IRMAR (CNRS UMR 6625) and ENS Rennes(雷恩大学、INRIA(MINGuS研究团队)、IRMAR(CNRS UMR 6625)和雷恩高等师范学院);Göttingen Mathematisches Institut, Georg-August-Universität Göttingen(哥廷根数学研究所,格奥尔格-奥古斯特哥廷根大学)
Numerical invariant tori of symplectic integrators for integrable Hamiltonian systems
Inner Mongolia University(内蒙古大学);Institute of Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences(中国科学院数学与系统科学研究院);Hua Loo-Keng Key Laboratory of Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences(中国科学院数学与系统科学研究院华罗庚数学重点实验室)
Collective Lie-Poisson integrators on $\mathbf{R}^{3}$
Institute of Fundamental Sciences, Massey University(梅西大学基础科学研究所);Department of Mathematical Sciences, Chalmers University of Technology(查尔姆斯理工大学数学科学系);Department of Mathematics, University of Bergen(卑尔根大学数学系)
Numerical Construction of Quasi-Periodic Solutions Beyond Symplectic Integrators
University of Chinese Academy of Sciences(中国科学院大学);Fudan University(复旦大学);Shanghai Institute for Mathematics and Interdisciplinary Sciences(上海数学与交叉学科研究院)