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arxiv: 2308.16162 · v2 · pith:JAB2ODWSnew · submitted 2023-08-30 · 🧮 math.DG · math-ph· math.CA· math.DS· math.MP

The Morse index theorem for mechanical systems with reflections

classification 🧮 math.DG math-phmath.CAmath.DSmath.MP
keywords boundaryindexmorsetheoremactionallowedconditionseither
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We prove a Morse index theorem for action functionals on paths that are allowed to reflect at a hypersurface (either in the interior or at the boundary of a manifold). Both fixed and periodic boundary conditions are treated.

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