# Tagged Questions

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### Good introduction to Morse-Novikov theory?

Morse theory investigates the topology of compact manifolds using critical points of real-valued functions $f\colon\, M\to \mathbb{R}$. Motivated by problems in dynamical systems, Novikov (Multivalued ...

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### frechet manifolds book

hi, does anyone know a good book or some lecture notes on the theory of frechet manifolds ?

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### On a remark in Foundations of mechanics, 2nd Edition, by Abraham and Marsden

I don't know if this question is appropriate to this site, but I posted here without an answer, so I tried this alternative.
Given a $2$-form $\omega$ on a manifold $M$, let us denote by $N$ the ...