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We describe the Stokes bases of the differential equation at its irregular singular point in terms of the exceptional bases of the equivariant K-theory algebra of $P^{n-1}$ and a suitable braid group action on the set of exceptional bases.\n  Our results are an equivarian"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.02990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2019-01-10T01:27:50Z","cross_cats_sorted":["math-ph","math.MP","math.QA"],"title_canon_sha256":"f1ef413db21c38551f6cc228821239b523382fb4bf2c6e949af53719da95d179","abstract_canon_sha256":"84c98e263926cd2a993d80b91483126f6d39865a8703cf3b9a64152e4d01135b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:35.860675Z","signature_b64":"xiSRdCAelMV1E9xvKyZx9Oy6eDiO9F0yi7sUeKCUHNpfyB3wULCbR5iY1NnjnVB6lKUPp6pzgX4aALoihVTgAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7650bca93d2f90870cf867a5050542cfb6be49f32207dbe2552292c9a8237117","last_reissued_at":"2026-05-17T23:56:35.860220Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:35.860220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Equivariant quantum differential equation, Stokes bases, and K-theory for a projective space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP","math.QA"],"primary_cat":"math.AG","authors_text":"Alexander Varchenko, Vitaly Tarasov","submitted_at":"2019-01-10T01:27:50Z","abstract_excerpt":"We consider the equivariant quantum differential equation for the projective space $P^{n-1}$. 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