Research Paper#Theoretical Physics, String Theory, Quantum Field Theory🔬 ResearchAnalyzed: Jan 3, 2026 06:35
Wall Crossing, String Networks, and Quantum Toroidal Algebras in Supersymmetric Yang-Mills Theory
Published:Dec 31, 2025 17:34
•1 min read
•ArXiv
Analysis
This paper explores the connection between BPS states in 4d N=4 supersymmetric Yang-Mills theory and (p, q) string networks in Type IIB string theory. It proposes a novel interpretation of line operators using quantum toroidal algebras, providing a framework for understanding protected spin characters of BPS states and wall crossing phenomena. The identification of the Kontsevich-Soibelman spectrum generator with the Khoroshkin-Tolstoy universal R-matrix is a significant result.
Key Takeaways
- •Connects BPS states in supersymmetric Yang-Mills theory with string networks.
- •Proposes a quantum toroidal algebra framework for line operators.
- •Interprets wall crossing operators using Drinfeld twists.
- •Identifies the Kontsevich-Soibelman spectrum generator with the Khoroshkin-Tolstoy universal R-matrix.
Reference
“The paper proposes a new interpretation of the algebra of line operators in this theory as a tensor product of vector representations of a quantum toroidal algebra.”