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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,695 papers · 148 categories

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0111 · May 201719922001200920172026
6 results for J-stability

From the work of Dervan-Keller, there exists a quantization of the critical equation for the J-flow. This leads to the notion of J-balanced metrics. We prove that the existence of J-balanced metrics has a purely algebro-geometric characterization in terms of Chow stability, complementing the result of Dervan-Keller. We…

2017-05-04abs ↗pdf ↗

Investigates JJ-equation on holomorphic vector bundles over Kähler manifolds.

problem Analyzes properties and solutions of JJ-equation on holomorphic vector bundles.
method Introduces and studies JJ-equation, provides algebraic and numerical criteria.
result Provides an algebraic condition (asymptotic JJ-stability) and a numerical criterion for vortex bundles.

Characterizes solutions to Z-critical equations on surfaces using effective conditions.

problem Characterizing solutions to Z-critical equations on compact Kähler surfaces.
method Uses effective conditions and Picard number bounds to characterize solutions.
result Characterizes optimally destabilizing curves for Donaldson's J-equation and deformed Hermitian Yang-Mills equation.

In this paper we provide an explicit formula for the optimal lower bound of Donaldson's J-functional, in the sense of finding explicitly the optimal constant in the definition of coercivity, which always exists and takes negative values in general. This constant is positive precisely if the J-equation admits a solution…

2019-07-02abs ↗pdf ↗