arXiv:2208.09359 Abstract | arXiv Analytics

arXiv:2208.09359 [math.RT]Abstract References Reviews Resources

Singular Quiver Varieties over Extended Dynkin Quivers

Published 2022-08-19Version 1

We classify the singularities in the unframed Nakajima quiver varieties associated with extended Dynkin quivers and the corresponding minimal imaginary root with a small restriction on the parameter and use this to construct a number of hyper-K\"{a}hler cobordisms between binary polyhedral spaces.

Comments: 24 pages

Categories: math.RT, math.DG

Subjects: 53C26, 16G20

Keywords: extended dynkin quivers, singular quiver varieties, corresponding minimal imaginary root, unframed nakajima quiver varieties, binary polyhedral spaces

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