"타원곡선 y²=x³-x"의 두 판 사이의 차이

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* <math>y^2=x^3-x</math><br>[/pages/2061314/attachments/2299029 MSP1975197gdf732cih44i50000361d01gd578fhc4a.gif]<br>
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*  유리수해<br><math>E(\mathbb Q)=\{(\infty,\infty), (0,0),(1,0),(-1,0)\} \simeq \frac{\mathbb Z}{2\mathbb Z}\oplus \frac{\mathbb Z}{2\mathbb Z}</math><br>
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*  주기<br><math>2\omega=4\int_0^1\frac{dx}{\sqrt{1-x^4}}=B(1/2,1/4)=\frac{\Gamma(\frac{1}{2})\Gamma(\frac{1}{4})}{\Gamma(\frac{3}{4})}=\frac{\Gamma(1/4)^2}{\sqrt{2\pi}}=5.24\cdots</math><br><math>2\int_0^1\frac{dx}{\sqrt{x-x^3}}=B(1/2,1/4)=\frac{\Gamma(\frac{1}{2})\Gamma(\frac{1}{4})}{\Gamma(\frac{3}{4})}=5.24\cdots</math><br>
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* [[모듈라 군, j-invariant and the singular moduli]] 의 special values 부분과 비교
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<h5>모듈라 형식</h5>
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*  유리수체 위의 해의 개수<br><math>E(\mathbb{F}_p)=\{(x,y)\in \mathbb{F}_p^2|E: y^2=x^3+x^2+4x+4\}\cup \{(\infty,\infty})\}</math><br><math>M_p=\#E(\mathbb{F}_p)</math><br><math>a_p=p+1-M_p</math><br>
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*  모듈라 형식<br><math>f(\tau)={\eta(4\tau)^2\eta(8\tau)^2}=q\prod_{n=1}^{\infty} (1-q^{4n})^2(1-q^{8n})^2=\sum_{n=1}^{\infty}c_nq^n=q - 2 q^{5 }-3q^9+6q^{13}+2q^{17}+\cdots</math><br>
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* [http://www.ams.org/mathmoments/ Mathematical Moments from the AMS]
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* [http://betterexplained.com/ BetterExplained]

2009년 12월 24일 (목) 10:54 판

이 항목의 스프링노트 원문주소

 

 

개요

 

  • \(y^2=x^3-x\)
    [/pages/2061314/attachments/2299029 MSP1975197gdf732cih44i50000361d01gd578fhc4a.gif]
  • 유리수해
    \(E(\mathbb Q)=\{(\infty,\infty), (0,0),(1,0),(-1,0)\} \simeq \frac{\mathbb Z}{2\mathbb Z}\oplus \frac{\mathbb Z}{2\mathbb Z}\)
  • 주기
    \(2\omega=4\int_0^1\frac{dx}{\sqrt{1-x^4}}=B(1/2,1/4)=\frac{\Gamma(\frac{1}{2})\Gamma(\frac{1}{4})}{\Gamma(\frac{3}{4})}=\frac{\Gamma(1/4)^2}{\sqrt{2\pi}}=5.24\cdots\)
    \(2\int_0^1\frac{dx}{\sqrt{x-x^3}}=B(1/2,1/4)=\frac{\Gamma(\frac{1}{2})\Gamma(\frac{1}{4})}{\Gamma(\frac{3}{4})}=5.24\cdots\)
  • 모듈라 군, j-invariant and the singular moduli 의 special values 부분과 비교

 

모듈라 형식
  • 유리수체 위의 해의 개수
    \(E(\mathbb{F}_p)=\{(x,y)\in \mathbb{F}_p^2|E: y^2=x^3+x^2+4x+4\}\cup \{(\infty,\infty})\}\)
    \(M_p=\#E(\mathbb{F}_p)\)
    \(a_p=p+1-M_p\)
  • 모듈라 형식
    \(f(\tau)={\eta(4\tau)^2\eta(8\tau)^2}=q\prod_{n=1}^{\infty} (1-q^{4n})^2(1-q^{8n})^2=\sum_{n=1}^{\infty}c_nq^n=q - 2 q^{5 }-3q^9+6q^{13}+2q^{17}+\cdots\)

 

 

재미있는 사실

 

 

 

역사

 

 

메모

 

 

관련된 항목들

 

 

수학용어번역

 

 

사전 형태의 자료

 

 

관련논문

 

관련도서 및 추천도서

 

 

관련기사

 

 

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