"Grassmannian variety"의 두 판 사이의 차이

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<h5>example Gr(2,4)</h5>
 
<h5>example Gr(2,4)</h5>
 
 
 
 
<h5>history</h5>
 
 
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<h5 style="line-height: 3.428em; margin: 0px; color: rgb(34, 61, 103); font-family: 'malgun gothic',dotum,gulim,sans-serif; font-size: 1.166em; background-position: 0px 100%;">encyclopedia</h5>
 
 
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* [http://eom.springer.de/ http://eom.springer.de]
 
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* Princeton companion to mathematics([[2910610/attachments/2250873|Companion_to_Mathematics.pdf]])
 
 
 
 
 
 
 
 
<h5>books</h5>
 
 
 
 
 
* [[2011년 books and articles]]
 
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* http://pythagoras0.springnote.com/
 
* [http://math.berkeley.edu/%7Ereb/papers/index.html http://math.berkeley.edu/~reb/papers/index.html]
 
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* http://ncatlab.org/nlab/show/HomePage
 
 
 
 
 
 
 
 
<h5>experts on the field</h5>
 
 
* http://arxiv.org/
 
 
 
 
 
 
 
 
<h5>links</h5>
 
 
* [http://detexify.kirelabs.org/classify.html Detexify2 - LaTeX symbol classifier]
 
* [http://pythagoras0.springnote.com/pages/1947378 수식표현 안내]
 
* [http://www.research.att.com/%7Enjas/sequences/index.html The On-Line Encyclopedia of Integer Sequences]
 
* http://functions.wolfram.com/
 

2012년 8월 1일 (수) 18:14 판

introduction

 

\definition

 

real Grassmannian

 

\(Gr_{kn}(\mathbb{R}) = \{V\subset \mathbb{R}^n | \dim V = k\}\)

 

can represent element by full rank k x n matrix

 

\(Gr_{kn}(\mathbb{R})=GL_k\Mat(k,n)\)

 

Plucker embedding

 

\(Gr_{kn}(\mathbb{R}) \to \mathbb{P}^{n-1}\)

 

\(P_{I}(A)\) = determinant of submatrix of A  with column set I

 

 

 

Plucker coordinate

 

 

example Gr(2,4)

 

expositions