File:Open and closed strings.svg - Wikipedia
![PDF] Closed string amplitudes as single-valued open string amplitudes | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/9a61de71988ca5e72ab296ea9aa1c4b44cab06bb/20-Figure1-1.png "PDF] Closed string amplitudes as single-valued open string amplitudes | Semantic Scholar")
PDF] Closed string amplitudes as single-valued open string amplitudes | Semantic Scholar
Anomalies and the Green-Schwarz Mechanism - CERN Document Server
14. String Theory
The Theory of Strings: A Detailed Introduction: Sunil Mukhi
An Introduction to String Theory: Classical Closed String Motions
An Introduction to String Theory: Open Strings
Closed String Topologies – TikZ.net
How does a string's oscillation determine what particle it is? What would an up quark string oscillation look like? - Quora
String Theory: The History of Supersymmetry - dummies
4: Interactions of open and closed strings. | Download Scientific Diagram
SUPERSTRINGS! String Basics
open/closed string duality in nLab
PDF) Open-Closed String Correspondence in Open String Field Theory | Marco Baumgartl - Academia.edu
The conjectured open-closed string duality, for specific stringy... | Download Scientific Diagram
String_Theory
String Theory
physics - How to animate a closed string as in string theory - Blender Stack Exchange
SUPERSTRINGS! String Basics
Superstring Theory
Open and Closed Strings | SpringerLink
String Theory: Strings and Branes - dummies
