The semi-global symplectic invariant is derived for the champagne bottle potential via Birkhoff normal form near the focus-focus point and compared to the spherical pendulum.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
nlin.SI 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
Semi-global symplectic invariant of the champagne bottle
The semi-global symplectic invariant is derived for the champagne bottle potential via Birkhoff normal form near the focus-focus point and compared to the spherical pendulum.