DWZ-mutation homeomorphism conjecture for Ziegler spectra

Let (Q,S)(Q,S) be a quiver with potential, let Q0Q_0 be its set of vertices, and let kQ0k\in Q_0 be a vertex not incident to any 22-cycle of QQ. Write P(Q,S)\mathcal{P}(Q,S) for the Jacobian algebra of (Q,S)(Q,S), and let μk(Q,S)\mu_k(Q,S) denote its DWZ-mutation at kk.

DWZ-mutation homeomorphism conjecture. The DWZ-mutation of modules is a homeomorphism between the Ziegler spectra of the Jacobian algebras

P(Q,S)andP(μk(Q,S)).\mathcal{P}(Q,S)\quad\text{and}\quad\mathcal{P}(\mu_k(Q,S)).

The conjecture proposes that the homeomorphism between Ziegler spectra proved for quivers associated with triangulations of unpunctured annuli extends to every quiver with potential and every vertex at which DWZ mutation is defined without a 22-cycle incidence. Its proof is deferred to sequels to the present paper.

Sources & referencesView supporting material

Primary source

Daniel Labardini Fragoso, “Derksen-Weyman-Zelevinsky mutations of infinite-dimensional modules I: Foundations”, arXiv:2508.21757 (2025).

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