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  • 68 votes cast
May
2
comment Is the Luna slice theorem valid for any orbit with a reductive stabilizer?
Thanks to all of you. Ariyan, It seems that you gave me exactly the answer I need. Could you please post it as an answer so I can accept it?
Apr
27
awarded  Popular Question
Apr
19
comment Is the Luna slice theorem valid for any orbit with a reductive stabilizer?
Thank you very much. I think we need only the weaker version.
Mar
10
asked Is the Luna slice theorem valid for any orbit with a reductive stabilizer?
Jan
28
comment If the fibers of a submersion are connected, does it mean that any 2 sections are homotopic (locally on the base)?
The reduction to the linear case is not obvious. Connectivity is not a local property.
Jan
28
comment If the fibers of a submersion are connected, does it mean that any 2 sections are homotopic (locally on the base)?
Yes it should be $X \to Y$
Jan
28
revised If the fibers of a submersion are connected, does it mean that any 2 sections are homotopic (locally on the base)?
typo
Jan
28
asked If the fibers of a submersion are connected, does it mean that any 2 sections are homotopic (locally on the base)?
Jul
23
accepted When the restriction of a derived functor to a subcategory is the derived functor of the restriction
Jul
15
accepted regular semisimple elements on spherical varieties
Jul
15
answered regular semisimple elements on spherical varieties
Jul
15
asked When the restriction of a derived functor to a subcategory is the derived functor of the restriction
Aug
17
asked Symmetric spaces which are compact modulo the unipotent radical are compact
Jul
2
awarded  Curious
Mar
4
asked Properties of singularities that are preserved by categorical quotients
Oct
21
revised points with small U stabilizer on a spherical variety
spelling mistake in the title
Oct
21
asked regular semisimple elements on spherical varieties
Oct
21
asked points with small U stabilizer on a spherical variety
Oct
6
revised Action of the endomorphism monoid on an irreducible GL-module
added 80 characters in body
Oct
6
comment Action of the endomorphism monoid on an irreducible GL-module
Sorry, I made 2 mistakes. One of them is not crucial but the other seems to be so. As it written above the Lemma and its proof are wrong. :-(