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Nefness property for symplectic equivalency of Moishezon manifolds

Definition:Two symplectic manifolds $(X,\omega_X)$ and $(Y,\omega_Y)$ are defined to be symplectically equivalent if there exists a diffeomorphism $\phi:X\to Y$ such that $\phi^∗ω_Y$ is in the same ...
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$m$-th root of holomorphic section of direct image of relative line bundle

Question edited after the answer of Sándor Kovács: Let $f:X\to B$ be a holomorphic fibre space of smooth projective varieties which $f$ is relatively semi-ample and take $\mu$ as $m$-th root of ...
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