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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.

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0111 · Sep 201419922001200920182026
6 results for pseudogradients

In this paper, we study the prescribed QQ-curvature problem on closed four-dimensional Riemannian manifolds when the total integral of the QQ-curvature is a positive integer multiple of the one of the four-dimensional round sphere. This problem has a variational structure with a lack of compactness. Using some topolo…

2014-09-28abs ↗pdf ↗

The paper solves the Nirenberg problem on high-dimensional half spheres with pinching conditions.

problem Finding conformal metrics of prescribed scalar curvature and zero boundary mean curvature on half spheres.
method Variational approach with pseudogradient and Morse theory to handle non-compactness.
result Existence results for the Nirenberg problem under various pinching conditions.