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Log structures, semistable degenerations, log crystalline cohomology, log de Rham cohomology, log smoothness, log Gromov-Witten theory

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trivialities on log-structures

For the first question, given a sharp monoid $P$ (i.e., the group of units of $P$ is the zero group), there is a log structure on any scheme $X$ given by $M_X={\mathcal O}_X^*\oplus P$ with the struct …
Mark Gross's user avatar