Collins–Yau conjecture on dHYM solutions and Bridgeland stability

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Let XX be the compact Kähler manifold under consideration, and let LL be a holomorphic line bundle on XX. A metric solving the deformed Hermitian–Yang–Mills equation is a metric on LL satisfying that equation, and Db(Coh⁡(X))D^b(\operatorname{Coh}(X)) denotes the bounded derived category of coherent sheaves on XX. Collins–Yau conjecture. LL admits a metric solving the deformed Hermitian–Yang–Mills equation if and only if LL is a Bridgeland stable object in

Db(Coh⁡(X)).D^b(\operatorname{Coh}(X)).

This conjecture proposes an equivalence between the differential-geometric existence problem for the deformed Hermitian–Yang–Mills equation and Bridgeland stability for line bundles. Its resolution is not specified in the supplied source context.

References

Primary source

Tristan C. Collins, Jason Lo, Yun Shi and Shing-Tung Yau, “Stability for Line Bundles and Deformed Hermitian-Yang-Mills Equation on Some Elliptic Surfaces”, arXiv:2306.05620 (2024).

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