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Differentiability of Mather's $β$-function vs Mañé's conjecture (1304.0868v1)
Published 3 Apr 2013 in math.DS
Abstract: We prove that if a time-periodic Tonelli Lagrangian on a closed manifold $M$ satisfies a strong version of the Differentiability Problem for Mather's $\beta$-function, then the Legendre transforms of rational homology classes are dense in the first cohomology of $M$, which is a first step towards Ma~n\'e's conjecture.
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