{"paper":{"title":"String Theory from Maximal Supersymmetry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Maximal supersymmetry combined with positivity forces the tree-level amplitudes in planar N=4 EFTs to match the open string Veneziano amplitude.","cross_cats":[],"primary_cat":"hep-th","authors_text":"Aidan Herderschee, Henriette Elvang, Roger Morales","submitted_at":"2026-01-16T19:00:01Z","abstract_excerpt":"We explore the space of non-gravitational, maximally supersymmetric, planar 4d effective field theories (EFTs) that have $\\mathcal{N}=4$ super Yang-Mills (SYM) at leading order. We show that in the weakly-coupled regime, highly non-trivial nonlinear constraints on the 4-point Wilson coefficients follow from enforcing $\\mathcal{N}=4$ supersymmetry and $SU(4)$ R-symmetry together with the requirement of standard tree-level factorization on the massless poles of the 4-, 5-, and 6-point EFT scattering amplitudes. Additionally, when these novel constraints are combined with positivity, the resultin"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Our results strongly suggest that supersymmetry, R-symmetry, and positivity are sufficient to single out this unique UV completion at tree level.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The requirement of standard tree-level factorization on the massless poles of the 4-, 5-, and 6-point EFT scattering amplitudes in the weakly-coupled regime, together with the assumption that the theories are non-gravitational and planar.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Supersymmetry, R-symmetry, and positivity constrain planar 4d EFTs to match the open string Veneziano amplitude at tree level.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Maximal supersymmetry combined with positivity forces the tree-level amplitudes in planar N=4 EFTs to match the open string Veneziano amplitude.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"4d2c655948d0aa703b1e741c055b025062669b4ce676e6cb3707dcce01b15e9d"},"source":{"id":"2601.11705","kind":"arxiv","version":2},"verdict":{"id":"916837c9-ca1f-4ac4-95da-cc3805fed700","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T13:06:59.465884Z","strongest_claim":"Our results strongly suggest that supersymmetry, R-symmetry, and positivity are sufficient to single out this unique UV completion at tree level.","one_line_summary":"Supersymmetry, R-symmetry, and positivity constrain planar 4d EFTs to match the open string Veneziano amplitude at tree level.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The requirement of standard tree-level factorization on the massless poles of the 4-, 5-, and 6-point EFT scattering amplitudes in the weakly-coupled regime, together with the assumption that the theories are non-gravitational and planar.","pith_extraction_headline":"Maximal supersymmetry combined with positivity forces the tree-level amplitudes in planar N=4 EFTs to match the open string Veneziano amplitude."},"references":{"count":87,"sample":[{"doi":"","year":null,"title":"Vafa,The String landscape and the swampland, [arXiv:hep-th/0509212 [hep-th]]","work_id":"8d2e390b-8f9d-4f8c-bb7f-42dca4d2287a","ref_index":1,"cited_arxiv_id":"hep-th/0509212","is_internal_anchor":true},{"doi":"","year":2007,"title":"On the Geometry of the String Landscape and the Swampland","work_id":"1b578e3c-abcc-4348-8faf-5422ddf2e768","ref_index":2,"cited_arxiv_id":"hep-th/0605264","is_internal_anchor":true},{"doi":"","year":2007,"title":"The String Landscape, Black Holes and Gravity as the Weakest Force","work_id":"9a63fb25-9f3b-41bc-8d78-acec86a04567","ref_index":3,"cited_arxiv_id":"hep-th/0601001","is_internal_anchor":true},{"doi":"","year":2006,"title":"Causality, Analyticity and an IR Obstruction to UV Completion","work_id":"1ad243ae-4ef7-4289-8409-07ae88944a26","ref_index":4,"cited_arxiv_id":"hep-th/0602178","is_internal_anchor":true},{"doi":"","year":2021,"title":"N. Arkani-Hamed, T.-C. Huang and Y.-t. Huang,The EFT-Hedron,JHEP05(2021) 259 [2012.15849]","work_id":"4836eb20-4f0c-4616-a63e-58924652dae9","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":87,"snapshot_sha256":"1229c1c01aab931faeb457648efd768f18cc542d06d2dedabedf24ebd8c38a46","internal_anchors":34},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}