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math.AG2021★ 1 cited
A new family of isolated symplectic singularities with trivial local fundamental group
Gwyn Bellamy, Cédric Bonnafé, Baohua Fu +3
We construct a new infinite family of 4-dimensional isolated symplectic singularities with trivial local fundamental group, answering a question of Beauville raised in 2000. Three…
math.RT2021★ 1 cited
Commuting Varieties and Cohomological Complexity
Nham V. Ngo, Paul D. Levy, Klemen Šivic
In this paper we determine, for all sufficiently large, the irreducible component(s) of maximal dimension of the variety of commuting -tuples of nilpotent elements of $\math…