Dosiero:J-inv-poincare.jpeg
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J-inv-poincare.jpeg (38KB, MIME type: image/jpeg
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La bildo estas kopiita de wikipedia:en. La originala priskribo estas:
Klein's J-invariant, modulus on Poincare disk (600x600 pixels)
Enhavo |
[redaktu] Detailed description
This image shows the modulus | j | of the J-invariant as a function on the Poincare disk. The Poincare disk is a mapping of the upper half-plane to the the unit disk by means of the Mobius transformation
where τ is the half-period ratio, that is, the coordinate on the upper half-plane. The left-right symmetry of this image corresponds to the symmetry of the J-invariant, as small values for the imaginary part of τ are mapped to z=−1 on the left hand side, while large values for the imaginary part of τ are mapped to z=+1 on the right side. The fundamental domain is a triangle spanning the two vertically oriented dots in the center, with the cusp at z=+1 on the right. The transformation
corresponds to walking the fundamental domain from dot to dot on the boundary of the largest red area on the right; the cusp z=+1 remains unchanged.
For a detailed description of other aspects of this picture, including the coloration, please refer to Image:J-inv-modulus.jpeg.
- See also Image:J-inv-real.jpeg for the real part.
- See also Image:J-inv-phase.jpeg for the phase.
It, and other related images, can be seen at http://www.linas.org/art-gallery/numberetic/numberetic.html
[redaktu] Source of Image
Created by Linas Vepstas User:Linas <linas@linas.org> on 21 May 2005 using custom software written entirely by Linas Vepstas.
[redaktu] Copyright status
Released under the Gnu Free Documentation License (GFDL) by Linas Vepstas. Ŝablono:Gfdl
[redaktu] Relevant Links
- Weierstrass elliptic functions
- Eisenstein series
- Q-series
date/time | username | edit summary |
---|---|---|
02:37, 23 May 2005 | en:User:Linas | (<span class="autocomment"><a href="/wiki/Image:J-inv-poincare.jpeg#Detailed_description" title="Image:J-inv-poincare.jpeg">→</a>Detailed description -</span> tweak) |
02:34, 23 May 2005 | en:User:Linas | (<span class="autocomment"><a href="/wiki/Image:J-inv-poincare.jpeg#Detailed_description" title="Image:J-inv-poincare.jpeg">→</a>Detailed description -</span>add clarifying text) |
01:40, 22 May 2005 | en:User:Linas | (provide image details) |
01:30, 22 May 2005 | en:User:Linas | (Klein's J-invariant, modulus on Poincare disk (600x600 pixels) ) |
[redaktu] Historio de la dosiero
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- (del) (cur) 01:30, 22 May 2005 . . en:User:Linas Linas ( en:User_talk:Linas Talk) . . 600x600 (38354 bytes) (Klein's J-invariant, modulus on Poincare disk (600x600 pixels) )
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- (for) (nun) 20:39, 19. Mar 2006 . . Maksim-bot (Diskuto | kontribuoj) . . 600×600 (38 354 bitokoj) (La bildo estas kopiita de wikipedia:en. La originala priskribo estas: Klein's J-invariant, modulus on Poincare disk (600x600 pixels) ===Detailed description=== This image shows the modulus <math>|j|</math> of the J-invariant <math>j=g_2^3/\Delta</ma)
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