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hep-th2023★ 1 cited
Proving the 6d a-theorem with the double affine Grassmannian
Marco Fazzi, Suvendu Giri, Paul Levy
This paper contains two results of independent interest, the first being more mathematical in nature whereas the second more physical. We first show that the hierarchy of Higgs bra…
math.RT2023
Minimal special degenerations and duality
Daniel Juteau, Paul Levy, Eric Sommers
This paper includes the classification, in a simple Lie algebra, of the singularities of Slodowy slices between special nilpotent orbits that are adjacent in the partial order on n…
math.RT2023★ 2 cited
Local geometry of special pieces of nilpotent orbits
Baohua Fu, Daniel Juteau, Paul Levy +1
The nilpotent cone of a simple Lie algebra is partitioned into locally closed subvarieties called special pieces, each containing exactly one special orbit. Lusztig conjectured tha…