The 3d Mixed BF Lagrangian 1-Form: A Variational Formulation of Hitchin's Integrable System
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We introduce the concept of gauged Lagrangian 1-forms, extending the notion of Lagrangian 1-forms to the setting of gauge theories. This general formalism is applied to a natural geometric Lagrangian 1-form on the cotangent bundle of the space of holomorphic s... ...