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<title>Severin Bunk — Neckpinch</title><link>https://neckpinch.com/authors/severin-bunk/</link><description>New arXiv papers by Severin Bunk, from Neckpinch</description>
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<item><title>The Cauchy problem for gradient generalized Ricci solitons on a bundle gerbe</title><link>https://neckpinch.com/papers/2510.25888/</link><guid isPermaLink="false">arxiv:2510.25888</guid><pubDate>Wed, 29 Oct 2025 00:00:00 GMT</pubDate><description>Severin Bunk, Miguel Pino Carmona, C. S. Shahbazi — We prove well-posedness of the analytic Cauchy problem for gradient generalized Ricci solitons on an abelian bundle gerbe and solve the initial data equations on every compact Riemann surface. Along the way, we provide a novel characterization of the self-similar solutions of the generalized Ricci flow by means of families of automorphisms of the underlying abelian bundle gerbe covering families of diffeomorphisms isotopic to the identity.</description><category>Ricci flow</category><category>Generalized &amp; G₂ flows</category><category>Ricci solitons</category><category>Surfaces</category></item>
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