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More specifically, we obtain two classes of MDS quantum convolutional codes with parameters: {\\rm (i)}~ $[(q^2+1, q^2-4i+3,1;2,2i+2)]_q$, where $q\\geq5$ is an odd prime power and $2\\leq i\\leq(q-1)/2$; {\\rm (ii)}~ $[(\\frac{q^2+1}{10},\\frac{q^2+1}{10}-4i,1;2,2i+3)]_q$, where $q$ is an odd prime power with the form\n  $q=10m+3$ or $10m+7$ ($m\\geq2$), and $2\\leq i\\leq2m-1$.","authors_text":"Bocong Chen, Guanghui Zhang, Liangchen Li","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-08-25T14:55:15Z","title":"A Construction of MDS Quantum Convolutional Codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5782","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:cdae1c69d6c5e31548e0368d1b9fde32df331bd1c9561d91dfa684ba8b4c1fdb","target":"record","created_at":"2026-05-18T01:42:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d33b555a337fc041115a06bb099f98fcbca3f18402e914f2b18097f293919d43","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-08-25T14:55:15Z","title_canon_sha256":"76a4f8de59d87ffff73a94b7edd52edf7689033bd8e9ab54d8e149017a256f72"},"schema_version":"1.0","source":{"id":"1408.5782","kind":"arxiv","version":1}},"canonical_sha256":"143f2376c891deade7704c88b934421ed3fc916dd2ec92204eaf28e579c65fc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"143f2376c891deade7704c88b934421ed3fc916dd2ec92204eaf28e579c65fc6","first_computed_at":"2026-05-18T01:42:13.352203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:13.352203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"beobGSFq1AowgNTe0DwIW+3PhTJzCRlzCx0CuorSeFrMfpcmmy+izJJkxofG/WiB8zeRMpi1joppUnzZdFpuCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:13.352782Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5782","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cdae1c69d6c5e31548e0368d1b9fde32df331bd1c9561d91dfa684ba8b4c1fdb","sha256:aa4af8d289961583c3e5eacff95719f433973ce76cc6fcaa24eacc500171c007"],"state_sha256":"fd03a69542c4c5197e2b8af7cdfa2731e8074504123f4300b1ffce366a79c705"}