Yasufumi Nitta — Neckpinchhttps://neckpinch.com/authors/yasufumi-nitta/New arXiv papers by Yasufumi Nitta, from Neckpinch Tue, 03 Nov 2026 08:41:12 GMT Extremal Kähler–Ricci solitons on Fano manifolds are Kähler–Einsteinhttps://neckpinch.com/papers/2609.23630/arxiv:2609.23630Sun, 20 Sep 2026 00:00:00 GMTYasufumi Nitta — We prove that every extremal Kähler–Ricci soliton on a Fano manifold is Kähler–Einstein. This solves the problem of Calamai and Petrecca in full generality.Ricci solitonsKähler–Ricci solitonsEinstein metricsKähler geometryKähler–Einstein & K-stability