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arxiv: 1803.11268 · v1 · pith:HZK2HW62new · submitted 2018-03-29 · 🧮 math.AG · math.GT

Positivity of divisor classes on the strata of differentials

classification 🧮 math.AG math.GT
keywords classesdivisorpositivityassociateddifferentialsfamiliesresultstable
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Three decades ago Cornalba-Harris proved a fundamental positivity result for divisor classes associated to families of stable curves. In this paper we establish an analogous positivity result for divisor classes associated to families of stable differentials.

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