"Knot theory"의 두 판 사이의 차이

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<h5>introduction</h5>
 
<h5>introduction</h5>
  
* http://pythagoras0.springnote.com/pages/5098745
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* [http://pythagoras0.springnote.com/pages/5098745 매듭이론 (knot theory)]
  
 
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[http://pythagoras0.springnote.com/pages/5098745/attachments/2885901 _2010_01_29_10136.jpg]
  
 
 
 
 
150번째 줄: 150번째 줄:
 
* [http://dx.doi.org/10.1142/S0217732395001526 A link invariant from quantum dilogarithm]<br>
 
* [http://dx.doi.org/10.1142/S0217732395001526 A link invariant from quantum dilogarithm]<br>
 
** Kashaev, R. M., Modern Phys. Lett. A 10 (1995), 1409–1418
 
** Kashaev, R. M., Modern Phys. Lett. A 10 (1995), 1409–1418
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* [http://www.bkfc.net/altendor/KnotTheoryAndStatisticalMechanics.pdf Knot theory and statistical mechanics]<br>
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** Richard Altendorfer
 
* http://www.bkfc.net/altendor/KnotTheoryAndStatisticalMechanics.pdf
 
* http://www.bkfc.net/altendor/KnotTheoryAndStatisticalMechanics.pdf
 
* [http://siba2.unile.it/ese/issues/1/19/Notematv9supplp17.pdf Knot and physics]<br>
 
* [http://siba2.unile.it/ese/issues/1/19/Notematv9supplp17.pdf Knot and physics]<br>
160번째 줄: 162번째 줄:
 
* [http://www.kryakin.com/files/Invent_mat_%282_8%29/92/92_05.pdf The Yang-Baxter equation and invariants of links]<br>
 
* [http://www.kryakin.com/files/Invent_mat_%282_8%29/92/92_05.pdf The Yang-Baxter equation and invariants of links]<br>
 
** Turaev, 1988
 
** Turaev, 1988
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* [http://www.bkfc.net/altendor/IntroductionToKnotTheory.pdf An Introduction to Knot Theory]<br>
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** Richard Altendorfer
 
* [[2010년 books and articles|논문정리]]
 
* [[2010년 books and articles|논문정리]]
 
* http://www.ams.org/mathscinet/search/publications.html?pg4=ALLF&s4=
 
* http://www.ams.org/mathscinet/search/publications.html?pg4=ALLF&s4=

2010년 7월 31일 (토) 03:10 판

introduction

_2010_01_29_10136.jpg

 

Borromean ring

to prove its non-triviality, 'Milnor number' was introduced

 

knot diagram
  • projection to two dimensional space

 

 

Kauffman's principle

 

 

knot invariants
  • Alexander-Conway polynomial
  • Jones polynomial
  • Vassiliev invariants
  • define them recursively using the skein relation
  • Reidemeister's theorem is used to prove that they are knot invariants
  • The puzzle on the mathematical side was that these objects are invariants of a three dimensional situation, but one did not have an intrinsically three dimensional definition.
  • There were many elegant definitions of the knot polynomials, but they all involved looking in some way at a two dimensional projection or slicing of the knot, giving a two dimensional algorithm for computation, and proving that the result is independent of the chosen projection.
  • This is analogous to studying a physical theory that is in fact relativistic but in which one does not know of a manifestly relativistic formulation - like quantum electrodynamics in the 1930's.

 

 

Jones polynomial

 

 

Knot theory, statistical mechanics and quantum groups
  • using the Boltzmann weights from the various exactly solvable models, we can discover an infinite series of invariants of knots
  • so the problem is to find a nice set of Boltzmann weights which give non-trivial invariants

 

 

2+1 dimensional TQFT

 

 

mathematica
  1. KnotData["Trefoil"]
    KnotData["Trefoil", "JonesPolynomial"][x]

 

 

history

 

 

related items

 

books

 

 

encyclopedia[2]

 

 

question and answers(Math Overflow)

 

 

blogs

 

 

articles

 

 

experts on the field

 

 

TeX