The Realisation Problem for contraction algebras
The Realisation Problem for contraction algebras
Let , and define its Jacobi algebra by
Here and are the cyclic derivatives, and denotes the closure of the two-sided ideal generated by .
Realisation Problem. If satisfies , then is geometric. In particular, every finite-dimensional superpotential algebra
can be constructed as the contraction algebra of some irreducible -fold flop.
This asks which algebras can occur as contraction algebras of crepant resolutions of cDV singularities. The source presents the statement as covering the one-curve case and notes that more general statements exist but are harder to state; no resolution status is supplied.
Sources & referencesView supporting material
Primary source
Michael Wemyss, “A lockdown survey on cDV singularities”, arXiv:2103.16990 (2023).
Progress summary
Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.
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