S-matrix equivalence restored (2009)
Journal Article
Fu, C., Fudger, J., Mansfield, P. R., Morris, T. R., & Xiao, Z. (2009). S-matrix equivalence restored. Journal of High Energy Physics, 2009(06), Article 035. https://doi.org/10.1088/1126-6708/2009/06/035

Infinite dimensional symmetries of self-dual Yang-Mills. (2009)
Journal Article
Mansfield, P., & Wardlow, A. (2009). Infinite dimensional symmetries of self-dual Yang-Mills. Journal of High Energy Physics, 2009(08), Article 072. https://doi.org/10.1088/1126-6708/2009/08/072

We construct symmetries of the Chalmers-Siegel action describing self-dual Yang-Mills theory using a canonical transformation to a free theory. The symmetries form an infinite dimensional Lie algebra in the group algebra of isometries.