Lie group forced variational integrator networks for learning and control of robot systems
Incorporating prior knowledge of physics laws and structural properties of dynamical
systems into the design of deep learning architectures has proven to be a powerful …
systems into the design of deep learning architectures has proven to be a powerful …
A variational formulation of accelerated optimization on Riemannian manifolds
V Duruisseaux, M Leok - SIAM Journal on Mathematics of Data Science, 2022 - SIAM
It was shown recently by W. Su, S. Boyd, and E. Candes, J. Mach. Learn. Res., 17 (2016),
pp. 1--43 that Nesterov's accelerated gradient method for minimizing a smooth convex …
pp. 1--43 that Nesterov's accelerated gradient method for minimizing a smooth convex …
Practical perspectives on symplectic accelerated optimization
V Duruisseaux, M Leok - Optimization Methods and Software, 2023 - Taylor & Francis
Geometric numerical integration has recently been exploited to design symplectic
accelerated optimization algorithms by simulating the Bregman Lagrangian and Hamiltonian …
accelerated optimization algorithms by simulating the Bregman Lagrangian and Hamiltonian …
Projected Neural Differential Equations for Learning Constrained Dynamics
Neural differential equations offer a powerful approach for learning dynamics from data.
However, they do not impose known constraints that should be obeyed by the learned …
However, they do not impose known constraints that should be obeyed by the learned …
Variational Principles for Hamiltonian Systems
Motivated by recent developments in Hamiltonian variational principles, Hamiltonian
variational integrators, and their applications such as to optimization and control, we present …
variational integrators, and their applications such as to optimization and control, we present …
Comparative Analysis of Physical Correctness of Models Using Classical and Variational Integrators
I Moiseev - 2024 International Conference on Industrial …, 2024 - ieeexplore.ieee.org
This article considers the problem of modeling mechanical systems using classical
integrators, such as Runge-Kutta method or explicit Euler method, associated with the decay …
integrators, such as Runge-Kutta method or explicit Euler method, associated with the decay …
Fast symplectic integrator for Nesterov-type acceleration method
S Goto, H Hino - Japan Journal of Industrial and Applied Mathematics, 2024 - Springer
In this paper, explicit stable integrators based on symplectic and contact geometries are
proposed for a family of non-autonomous ordinarily differential equations (ODEs) found in …
proposed for a family of non-autonomous ordinarily differential equations (ODEs) found in …
[图书][B] Symplectic Numerical Integration at the Service of Accelerated Optimization and Structure-Preserving Dynamics Learning
V Duruisseaux - 2023 - search.proquest.com
Symplectic numerical integrators for Hamiltonian systems form the paramount class of
geometric numerical integrators, and have been very well investigated in the past forty …
geometric numerical integrators, and have been very well investigated in the past forty …
Bregman dynamics, contact transformations and convex optimization
Recent research on accelerated gradient methods of use in optimization has demonstrated
that these methods can be derived as discretizations of dynamical systems. This, in turn, has …
that these methods can be derived as discretizations of dynamical systems. This, in turn, has …