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As a consequence, the k=1 ABJM model for two M2-branes in R^8 can be identified with the N=8 (SU(2)xSU(2))/Z_2 theory. We also conjecture that the U(2)xU(2) ABJM model at k=2 is equivalent to the N=8 SU(2)xSU(2)-theory."},"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":"1001.4779","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-01-26T19:22:38Z","cross_cats_sorted":[],"title_canon_sha256":"f8c1ff4c24397d2497acc743c74c6d4a6241e412c29afd4c36c6bdbd12b4cd1f","abstract_canon_sha256":"a4925d3f639dc43a70aff4f7853eecc4e360d9e2315e5fc04e40d70e8e1289d4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:49.176432Z","signature_b64":"PyMQGD4iWC7wm6TWjQgiH7AIJG7lQhb7JXn8tWbefns8cI5Hs9k3QrfQ6+Sy9Tjv4rMOJEdUIcyUQcoq0XuwBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d9fb221761fdb4949cac9c961881d31105dc575b5627c378b8a606f79789ffd","last_reissued_at":"2026-05-18T02:33:49.175900Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:49.175900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relating U(N)xU(N) to SU(N)xSU(N) Chern-Simons Membrane theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Constantinos Papageorgakis, Neil Lambert","submitted_at":"2010-01-26T19:22:38Z","abstract_excerpt":"By integrating out the U(1)_B gauge field, we show that the U(n)xU(n) ABJM theory at level k is equivalent to a Z_k identification of the (SU(n)xSU(n))/Z_n Chern-Simons theory, but only when n and k are coprime. 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