PIRSA:25110085 Conference Mathematical physics

DOI10.48660/25110085

Conference/School: Holomorphic-topological field theories and representation theory

(2025). Orientifold Lines and Orthosymplectic Modules. Perimeter Institute. https://pirsa.org/25110085

Orientifold Lines and Orthosymplectic Modules. Perimeter Institute, Nov. 07, 2025, https://pirsa.org/25110085 

@misc{ pirsa_PIRSA:25110085,
  doi = {10.48660/25110085},
  url = {https://pirsa.org/25110085},
  author = {},
  keywords = {Mathematical physics},
  language = {en},
  title = {Orientifold Lines and Orthosymplectic Modules},
  publisher = {Perimeter Institute},
  year = {2025},
  month = {nov},
  note = {PIRSA:25110085 see, \url{https://pirsa.org}}
}

Abstract

The cohomological Hall algebra is an associative algebra associated to an abelian category, and models an algebra of BPS states in 4d HT theories. In theories which admit a certain duality we model orientifold lines as orthosymplectic modules for the CoHA and describe the basic structure of these modules using moduli stacks of objects with classical type stabilizer groups.

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