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arxiv: 1106.0255 · v2 · pith:KP6UBL2Vnew · submitted 2011-06-01 · 🧮 math.AG · math.DG

Deligne pairing and determinant bundle

classification 🧮 math.AG math.DG
keywords bundledelignedeterminantlinepairingbundlescomplexintegral
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Let $X \rightarrow S$ be a smooth projective surjective morphism, where $X$ and $S$ are integral schemes over complex numbers. Let L_0, L_1, .... L_{n-1}, L_{n} be line bundles over $X$. There is a natural isomorphism of the Deligne pairing $<L_{0},...,L_{n}>$ with the determinant line bundle ${\rm Det}(\otimes_{i=0}^{n} (L_i- {\mathcal O}_{X}))$.

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