{"paper":{"title":"Equivariant localization for higher derivative supergravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Four-dimensional N=2 conformal supergravity admits equivariantly closed forms that compute exact supersymmetric observables in higher derivative theories without solving equations of motion.","cross_cats":[],"primary_cat":"hep-th","authors_text":"Florian Gaar, James Sparks, Jerome P. Gauntlett, Pietro Benetti Genolini","submitted_at":"2026-04-09T18:00:01Z","abstract_excerpt":"Conformal supergravity provides an effective off-shell formalism to study higher derivative actions. We show that the $D=4$, $\\mathcal{N}=2$ theory admits equivariantly closed forms. These may be used to compute closed-form expressions for supersymmetric observables in a general class of supergravity theories with higher derivative couplings, without any need to solve equations of motion. We discuss applications to holography, presenting results for on-shell actions that are conjecturally valid to all orders in the perturbative $1/N$ expansion."},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We show that the D=4, N=2 theory admits equivariantly closed forms. 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