The Tropical Limit of String Theory and Feynman Integrals
Offered By: International Centre for Theoretical Sciences via YouTube
Course Description
Overview
Syllabus
The Tropical Limit of String Theory and Feynman Integrals
Combinatorial Algebraic Geometry: Tropical and Real hybrid
Plan
I. Introduction - Physics background
Feyman rules
Remarks
Schematically
String diagram
String diagram at given loop order
String amplitude: genus expansion
Preview of results
Original goal
Problem of highly technical nature
II. The tropical limit of string theory
Tropical graphs
Examples
Tropical moduli space
Examples
Other examples
Dual graph
One central idea
Tropical Homology
Bosonic string amplitudes
Explicit construction
Field theory limit
Example @ tree - level
IV. A few open questions
Wrap Up
Taught by
International Centre for Theoretical Sciences
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