<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel>
<title>Jinyu Guo — Neckpinch</title><link>https://neckpinch.com/authors/jinyu-guo/</link><description>New arXiv papers by Jinyu Guo, from Neckpinch</description>
<atom:link href="https://neckpinch.com/authors/jinyu-guo/rss.xml" rel="self" type="application/rss+xml"/><lastBuildDate>Tue, 03 Nov 2026 08:41:12 GMT</lastBuildDate>
<item><title>Quermassintegral inequalities for capillary hypersurfaces in a horoball</title><link>https://neckpinch.com/papers/2610.30771/</link><guid isPermaLink="false">arxiv:2610.30771</guid><pubDate>Thu, 22 Oct 2026 00:00:00 GMT</pubDate><description>Jinyu Guo, Liangjun Weng — In this paper, we study the quermassintegral inequalities for capillary hypersurfaces in a horoball in hyperbolic space. We construct a locally constrained nonlinear curvature flow that preserves the k-th quermassintegral while monotonically increasing the l-th quermassintegral for any (1≤ l&lt;k≤ n). Using this flow, we establish a full family of the quermassintegral inequalities for horo-convex capillary hypersurfaces in a horoball with contact angle θ∈(0,π/2]. Moreover, we weaken the horo-convexity to convexity and obtain the quermassintegral inequalities for convex capillary hypersurfaces between the n-th and l-th quermassintegrals.</description><category>Other curvature flows</category><category>Volume-preserving &amp; constrained flows</category><category>Free boundary &amp; capillary</category><category>Geometric inequalities</category></item>
</channel></rss>