Definition of a section of a map [closed]

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Let $f : A longrightarrow B$ be a map between two affine algebraic sets. I would like to understand a section of this map (in general).







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closed as unclear what you're asking by David Hill, Lord Shark the Unknown, John Ma, Xander Henderson, user91500 Aug 29 at 7:15


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.














  • Why is there another SL(2,C) in the character set?
    – AlgebraicsAnonymous
    Aug 26 at 11:14










  • @AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
    – DYBnor
    Aug 26 at 11:46










  • But characters should map into a field, not a matrix group?
    – AlgebraicsAnonymous
    Aug 26 at 12:00










  • @AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
    – DYBnor
    Aug 26 at 12:09










  • I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
    – Alan Muniz
    Aug 26 at 13:02














up vote
0
down vote

favorite












Let $f : A longrightarrow B$ be a map between two affine algebraic sets. I would like to understand a section of this map (in general).







share|cite|improve this question














closed as unclear what you're asking by David Hill, Lord Shark the Unknown, John Ma, Xander Henderson, user91500 Aug 29 at 7:15


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.














  • Why is there another SL(2,C) in the character set?
    – AlgebraicsAnonymous
    Aug 26 at 11:14










  • @AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
    – DYBnor
    Aug 26 at 11:46










  • But characters should map into a field, not a matrix group?
    – AlgebraicsAnonymous
    Aug 26 at 12:00










  • @AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
    – DYBnor
    Aug 26 at 12:09










  • I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
    – Alan Muniz
    Aug 26 at 13:02












up vote
0
down vote

favorite









up vote
0
down vote

favorite











Let $f : A longrightarrow B$ be a map between two affine algebraic sets. I would like to understand a section of this map (in general).







share|cite|improve this question














Let $f : A longrightarrow B$ be a map between two affine algebraic sets. I would like to understand a section of this map (in general).









share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Aug 29 at 10:54

























asked Aug 26 at 10:49









DYBnor

615




615




closed as unclear what you're asking by David Hill, Lord Shark the Unknown, John Ma, Xander Henderson, user91500 Aug 29 at 7:15


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.






closed as unclear what you're asking by David Hill, Lord Shark the Unknown, John Ma, Xander Henderson, user91500 Aug 29 at 7:15


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.













  • Why is there another SL(2,C) in the character set?
    – AlgebraicsAnonymous
    Aug 26 at 11:14










  • @AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
    – DYBnor
    Aug 26 at 11:46










  • But characters should map into a field, not a matrix group?
    – AlgebraicsAnonymous
    Aug 26 at 12:00










  • @AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
    – DYBnor
    Aug 26 at 12:09










  • I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
    – Alan Muniz
    Aug 26 at 13:02
















  • Why is there another SL(2,C) in the character set?
    – AlgebraicsAnonymous
    Aug 26 at 11:14










  • @AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
    – DYBnor
    Aug 26 at 11:46










  • But characters should map into a field, not a matrix group?
    – AlgebraicsAnonymous
    Aug 26 at 12:00










  • @AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
    – DYBnor
    Aug 26 at 12:09










  • I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
    – Alan Muniz
    Aug 26 at 13:02















Why is there another SL(2,C) in the character set?
– AlgebraicsAnonymous
Aug 26 at 11:14




Why is there another SL(2,C) in the character set?
– AlgebraicsAnonymous
Aug 26 at 11:14












@AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
– DYBnor
Aug 26 at 11:46




@AlgebraicsAnonymous. I think SL(2, C) used there is a notation to mean I am working over that matrix group.
– DYBnor
Aug 26 at 11:46












But characters should map into a field, not a matrix group?
– AlgebraicsAnonymous
Aug 26 at 12:00




But characters should map into a field, not a matrix group?
– AlgebraicsAnonymous
Aug 26 at 12:00












@AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
– DYBnor
Aug 26 at 12:09




@AlgebraicsAnonymous. I don't seem to understand you. If you could give a definition of a section in any instance like this, I would be grateful.
– DYBnor
Aug 26 at 12:09












I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
– Alan Muniz
Aug 26 at 13:02




I got a bit confused with the question. Do you want to know what a section of a map is or some rather specific structure a section has in this situation?
– Alan Muniz
Aug 26 at 13:02















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