Yulun Xu — Neckpinchhttps://neckpinch.com/authors/yulun-xu/New arXiv papers by Yulun Xu, from Neckpinch Tue, 03 Nov 2026 08:41:12 GMT Shrinking Kähler-Ricci solitons on toric fano fibrationshttps://neckpinch.com/papers/2609.24884/arxiv:2609.24884Mon, 21 Sep 2026 00:00:00 GMTTristan C. Collins, Genggeng Huang, Freid Tong, Yulun Xu — We prove that a smooth toric Fano fibration admits a complete gradient shrinking Kähler-Ricci soliton.Ricci solitonsKähler–Ricci solitonsKähler geometryAnalytic minimal model program