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Cluster Superalgebras and Stringy Integrals
S. James Gates, S. -N. Hazel Mak, Marcus Spradlin +1
We take some initial steps to explore physical applications of the cluster superalgebras recently defined by Ovsienko and Shapiro. Our primary example is a fermionic extension of t…
Deformed Algebras in the Celestial CFT
Jorge Mago, Lecheng Ren, Akshay Yelleshpur Srikant +1
We compute the modification of the algebra of soft graviton, gluon and scalar currents in the celestial CFT due to non-minimal couplings. We find that the Jacobi ide…
Celestial Dual Superconformal Symmetry, MHV Amplitudes and Differential Equations
Yangrui Hu, Lecheng Ren, Akshay Yelleshpur Srikant +1
Celestial and momentum space amplitudes for massless particles are related to each other by a change of basis provided by the Mellin transform. Therefore properties of celestial am…
Symbol Alphabets from Plabic Graphs III: n=9
Jorge Mago, Anders Schreiber, Marcus Spradlin +2
Symbol alphabets of n-particle amplitudes in N=4 super-Yang-Mills theory are known to contain certain cluster variables of Gr(4,n) as well as certain algebraic functions of cluster…
Symbol Alphabets from Tensor Diagrams
Lecheng Ren, Marcus Spradlin, Anastasia Volovich
We propose to use tensor diagrams and the Fomin-Pylyavskyy conjectures to explore the connection between symbol alphabets of -particle amplitudes in planar Yang-…