{"paper":{"title":"Motivic quasimap wall-crossing for Grassmannians","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["math-ph","math.CO","math.MP"],"primary_cat":"math.AG","authors_text":"Siddarth Kannan, Terry Dekun Song","submitted_at":"2026-07-07T12:11:49Z","abstract_excerpt":"We prove a wall-crossing formula for the Euler characteristics, considered as virtual mixed Hodge structures, of moduli spaces of $\\varepsilon$-stable quasimaps to the Grassmannian $\\mathbb{G}(r, N)$. For each $\\varepsilon > 0$, we define a $\\mathbb{Q}$-algebra automorphism of the ring of symmetric functions which takes the generating function for the $\\mathbb{S}_n$-equivariant Euler characteristics of the moduli spaces of stable maps $\\overline{\\mathcal{M}}_{g, n}(\\mathbb{G}(r, N), d)$ to the corresponding generating function for Toda's moduli spaces of $\\varepsilon$-stable quasimaps $\\overli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06189","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.06189/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"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"}