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Tag: "Leok, Melvin" (1)

Variational Discretizations of Gauge Field Theories Using Group-Equivariant Interpolation Spaces
Variational Discretizations of Gauge Field Theories Using Group-Equivariant Interpolation Spaces
mathematicsEnglish5 sep 2017943Variational integrators are geometric structure-preserving numerical methods that preserve the symplectic structure, satisfy a discrete Noether's theorem, and exhibit exhibit excellent long-time energy stability properties. An exact discrete Lagrangian arises from Jacobi's solution of the Hamilton-Jacobi equation, and it generates the exact flow of a Lagrangian system. By approximating the ...
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