Schubert Cell Structure for some variety with prescribed bilinear form












1












$begingroup$


We know the construction of Schubert cell complex structure for the case of Grassmann manifold $Gr_k(mathbb{C}^n)$ i.e variety of all k- dimensional subspaces $V$ of $mathbb{C}^n$.



Consider that there is bilinear form B on $mathbb{C}^n$. How to give a Schubert cell structure on the set of all V, k- dimensional subspaces of $mathbb{C}^n$ such that B restricted on V is nonsingular.



Thank you in advance. Any help will be appreciated.










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$endgroup$












  • $begingroup$
    Do you mean nondegenerate?
    $endgroup$
    – Matt Samuel
    Dec 28 '18 at 11:43










  • $begingroup$
    @MattSamuel: Yes. I mean nondegenerate.
    $endgroup$
    – Surojit
    Dec 28 '18 at 17:55










  • $begingroup$
    @MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
    $endgroup$
    – Surojit
    Jan 2 at 20:00










  • $begingroup$
    I wasn't confident it was correct. If you want I can undelete it
    $endgroup$
    – Matt Samuel
    Jan 2 at 20:01
















1












$begingroup$


We know the construction of Schubert cell complex structure for the case of Grassmann manifold $Gr_k(mathbb{C}^n)$ i.e variety of all k- dimensional subspaces $V$ of $mathbb{C}^n$.



Consider that there is bilinear form B on $mathbb{C}^n$. How to give a Schubert cell structure on the set of all V, k- dimensional subspaces of $mathbb{C}^n$ such that B restricted on V is nonsingular.



Thank you in advance. Any help will be appreciated.










share|cite|improve this question









$endgroup$












  • $begingroup$
    Do you mean nondegenerate?
    $endgroup$
    – Matt Samuel
    Dec 28 '18 at 11:43










  • $begingroup$
    @MattSamuel: Yes. I mean nondegenerate.
    $endgroup$
    – Surojit
    Dec 28 '18 at 17:55










  • $begingroup$
    @MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
    $endgroup$
    – Surojit
    Jan 2 at 20:00










  • $begingroup$
    I wasn't confident it was correct. If you want I can undelete it
    $endgroup$
    – Matt Samuel
    Jan 2 at 20:01














1












1








1





$begingroup$


We know the construction of Schubert cell complex structure for the case of Grassmann manifold $Gr_k(mathbb{C}^n)$ i.e variety of all k- dimensional subspaces $V$ of $mathbb{C}^n$.



Consider that there is bilinear form B on $mathbb{C}^n$. How to give a Schubert cell structure on the set of all V, k- dimensional subspaces of $mathbb{C}^n$ such that B restricted on V is nonsingular.



Thank you in advance. Any help will be appreciated.










share|cite|improve this question









$endgroup$




We know the construction of Schubert cell complex structure for the case of Grassmann manifold $Gr_k(mathbb{C}^n)$ i.e variety of all k- dimensional subspaces $V$ of $mathbb{C}^n$.



Consider that there is bilinear form B on $mathbb{C}^n$. How to give a Schubert cell structure on the set of all V, k- dimensional subspaces of $mathbb{C}^n$ such that B restricted on V is nonsingular.



Thank you in advance. Any help will be appreciated.







bilinear-form cw-complexes schubert-calculus






share|cite|improve this question













share|cite|improve this question











share|cite|improve this question




share|cite|improve this question










asked Dec 27 '18 at 22:28









SurojitSurojit

393110




393110












  • $begingroup$
    Do you mean nondegenerate?
    $endgroup$
    – Matt Samuel
    Dec 28 '18 at 11:43










  • $begingroup$
    @MattSamuel: Yes. I mean nondegenerate.
    $endgroup$
    – Surojit
    Dec 28 '18 at 17:55










  • $begingroup$
    @MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
    $endgroup$
    – Surojit
    Jan 2 at 20:00










  • $begingroup$
    I wasn't confident it was correct. If you want I can undelete it
    $endgroup$
    – Matt Samuel
    Jan 2 at 20:01


















  • $begingroup$
    Do you mean nondegenerate?
    $endgroup$
    – Matt Samuel
    Dec 28 '18 at 11:43










  • $begingroup$
    @MattSamuel: Yes. I mean nondegenerate.
    $endgroup$
    – Surojit
    Dec 28 '18 at 17:55










  • $begingroup$
    @MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
    $endgroup$
    – Surojit
    Jan 2 at 20:00










  • $begingroup$
    I wasn't confident it was correct. If you want I can undelete it
    $endgroup$
    – Matt Samuel
    Jan 2 at 20:01
















$begingroup$
Do you mean nondegenerate?
$endgroup$
– Matt Samuel
Dec 28 '18 at 11:43




$begingroup$
Do you mean nondegenerate?
$endgroup$
– Matt Samuel
Dec 28 '18 at 11:43












$begingroup$
@MattSamuel: Yes. I mean nondegenerate.
$endgroup$
– Surojit
Dec 28 '18 at 17:55




$begingroup$
@MattSamuel: Yes. I mean nondegenerate.
$endgroup$
– Surojit
Dec 28 '18 at 17:55












$begingroup$
@MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
$endgroup$
– Surojit
Jan 2 at 20:00




$begingroup$
@MattSamuel: Dear Sir, what happened to the answer? Is there any problem with that answer? I guess that was fine.
$endgroup$
– Surojit
Jan 2 at 20:00












$begingroup$
I wasn't confident it was correct. If you want I can undelete it
$endgroup$
– Matt Samuel
Jan 2 at 20:01




$begingroup$
I wasn't confident it was correct. If you want I can undelete it
$endgroup$
– Matt Samuel
Jan 2 at 20:01










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