Knot Polynomials from Chern-Simons Field Theory and Their String Theoretic Implications by P. Ramadevi
International Centre for Theoretical Sciences via YouTube
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Overview
Syllabus
Outline
Just like Periodic Table of chemical elements
Periodic table of Knots
Knot Equivalence
Knot Invariant through recursive method
Jones Polynomial
Chern-Simons Theory
Well-Known polynomials from Chern-Simons
Knot Invariants from Chern-Simons
Example: Trefoil invariant
Eigenbasis of Braiding operator
Polynomial invariant of trefoil
Trefoil evaluation continued
Figure 8 knot invariant
Broad classification of knots
Arborescent Knots
10152 and 1071 arborescent knots
Building blocks
Equivalent Building Blocks
Arborescent knot- Feynman diagram analogy
Family Approach: Arborescent knots
Arborescent knot invariants
Do we know duality matrix elements
Detection of Mutation
[2,1] colored HOMFLY-PT
Additional information in mixed representation
Mutation operation on two-tangles
Tangle and its My mutation
Knot invariant for the mutant pair
Knot Polynomials
Reasons for Integer coefficients
Khovanov Homology
Chain Complex
The vector space
Homological Invariant
Gauge-string duality in topological strings
Duality in topological strings
Topological String duality contd
Open topological string amplitudes
N integers from knot polynomials
VERIFICATION USING KNOT INVARIANTS
Can we write InZ [M] as closed string expansion?
InZM contd
Subtle Issues
Generalization of the duality to SO gauge groups
Oriented contribution
Witten's Intersecting brane Construction
Witten's intersecting brane constructioncontd
M-Theory description of Witten's model
Sourcing 0 term
Model A: Witten model
Two NS5-branes with relative orientation from Witten model
Relation to Ooguri-Vafa model
M-Theory description dual to Ooguri-Vafa
Summary and Open problems
Q&A
Taught by
International Centre for Theoretical Sciences