Positivity of divisor classes on the strata of differentials

2018/03/29 by Chen, Dawei
#Algebraic Geometry (math.AG) #FOS: Mathematics #Geometric Topology (math.GT)

paper · doi:10.48550/arxiv.1803.11268

Abstract

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.

Related

• Complete curves in the strata of differentials
• Polar Transform and Local Positivity for Curves
• Positivity functions for curves on algebraic varieties
• Divisors of secant planes to curves
• Seshadri constants for curve classes