"Differential Galois theory"의 두 판 사이의 차이

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1번째 줄: 1번째 줄:
 
* adele and idele
 
* adele and idele
 
* differential galois theory
 
* differential galois theory
*
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** http://gigapedia.info/1/differential+galois+theory
 
** http://gigapedia.info/1/Kolchin
 
** http://gigapedia.info/1/ritt
 
 
* Liouville 
 
* Liouville 
  
12번째 줄: 9번째 줄:
  
 
* using exponential and logarithm
 
* using exponential and logarithm
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* elementary element
  
 
 
 
 
20번째 줄: 17번째 줄:
 
<h5 style="line-height: 3.428em; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(34, 61, 103); font-family: 'malgun gothic', dotum, gulim, sans-serif; font-size: 1.166em; background-image: ; background-color: initial; background-position: 0px 100%;">Liouville extension</h5>
 
<h5 style="line-height: 3.428em; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(34, 61, 103); font-family: 'malgun gothic', dotum, gulim, sans-serif; font-size: 1.166em; background-image: ; background-color: initial; background-position: 0px 100%;">Liouville extension</h5>
  
* we can adjoin integrals and exponentials of integrals
+
* we can adjoin integrals and exponentials of integrals + algbraic extension
 +
* an element is said to be representable by a generalized quadrature
  
 
 
 
 
36번째 줄: 34번째 줄:
  
 
If a Picard-Vessiot extension is a Liouville extension, then the Galois group of this extension is solvable.
 
If a Picard-Vessiot extension is a Liouville extension, then the Galois group of this extension is solvable.
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61번째 줄: 65번째 줄:
  
 
* http://gigapedia.info/1/galois_theory
 
* http://gigapedia.info/1/galois_theory
* [http://gigapedia.info/1/ritt ]
+
 
*  
+
* http://gigapedia.info/1/differential+galois+theory
 +
* http://gigapedia.info/1/Kolchin
 +
* http://gigapedia.info/1/ritt
 +
 
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*
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** <br>
 
* http://gigapedia.info/1/
 
* http://gigapedia.info/1/
 
* http://gigapedia.info/1/
 
* http://gigapedia.info/1/

2009년 8월 27일 (목) 05:34 판

  • adele and idele
  • differential galois theory
  • Liouville 

 

elemetary extension
  • using exponential and logarithm
  • elementary element

 

 

Liouville extension
  • we can adjoin integrals and exponentials of integrals + algbraic extension
  • an element is said to be representable by a generalized quadrature

 

Picard-Vessiot extension
  • examples
    • algebraic extension
    • adjoining an integral
    • adjoining the exponential of an integral

 

theorem

If a Picard-Vessiot extension is a Liouville extension, then the Galois group of this extension is solvable.

 

 

 

 

 

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