Large dynamics of Yang-Mills theory: mean dimension formula. (English) Zbl 1464.53028
Summary: We study the Yang-Mills anti-self-dual (ASD) equation over the cylinder as a non-linear evolution equation. We consider a dynamical system consisting of bounded orbits of this evolution equation. This system contains many chaotic orbits, and moreover becomes an infinite dimensional and infinite entropy system. We study the mean dimension of this huge dynamical system. Mean dimension is a topological invariant of dynamical systems introduced by Gromov. We prove the exact formula of the mean dimension by developing a new technique based on the metric mean dimension theory of Lindenstrauss-Weiss.
MSC:
| 53C07 | Special connections and metrics on vector bundles (Hermite-Einstein, Yang-Mills) |
| 58E15 | Variational problems concerning extremal problems in several variables; Yang-Mills functionals |
Keywords:
anti-self-dual; cylinder; bounded orbits; chaotic orbits; infinite entropy system; metric mean dimensionReferences:
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