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David Petrecca

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Name David Petrecca
Member for 1 year
Seen 20 mins ago
Website
Location Firenze/Pisa
Age 27
Math graduate student at Pisa, trying to work on differential geometry.
May
14
comment Finding spherical representations of $GL(n, \mathbb{C})$.
I thought it could be related to the question in the other discussion (which apparently was merged with this one). It wasn't even clear to me you meant the same thing for spherical representations :)
May
14
answered Finding spherical representations of $GL(n, \mathbb{C})$.
Apr
4
awarded  Scholar
Apr
4
comment Normalized Hamiltonian holomorphic vector fields on Sasakian manifolds
Thank you, Craig! When you talk about the splitting of the Lie algebra you mean a sasakian analog of the decomposition of the Lie algebra of holomorphic fields that holds in the Kahler case? In this case for the algebra of normalized ones ofc. Anyway without using it is a subalgebra I already managed to write a decomposition by using that it is a set of representatives for the quotient {Ham. holo flds}/ $\xi$, in analogy with other splittings holding in the Sasaki-extremal case and more in general for transvesely Kahler foliations (Tondeur-Nishikawa)
Apr
1
awarded  Enthusiast
Feb
22
accepted Group or manifold ?
Feb
21
answered Group or manifold ?
Jan
24
awarded  Student
Jan
23
awarded  Autobiographer
Jan
22
asked Normalized Hamiltonian holomorphic vector fields on Sasakian manifolds