{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:IOGU5F6IYQFU7BOIXZX2I7IFMG","short_pith_number":"pith:IOGU5F6I","schema_version":"1.0","canonical_sha256":"438d4e97c8c40b4f85c8be6fa47d0561a7dd262c404c7bc2f8d8bd5a693a2c1a","source":{"kind":"arxiv","id":"1608.03999","version":2},"attestation_state":"computed","paper":{"title":"Cycles and Intractability in a Large Class of Aggregation Rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.DM","math.CO"],"primary_cat":"cs.GT","authors_text":"William S. Zwicker","submitted_at":"2016-08-13T16:20:33Z","abstract_excerpt":"We introduce the $(j,k)$-Kemeny rule -- a generalization of Kemeny's voting rule that aggregates $j$-chotomous weak orders into a $k$-chotomous weak order. Special cases of $(j,k)$-Kemeny include approval voting, the mean rule and Borda mean rule, as well as the Borda count and plurality voting. Why, then, is the winner problem computationally tractable for each of these other rules, but intractable for Kemeny? We show that intractability of winner determination for the $(j,k)$-Kemeny rule first appears at the $j=3$, $k=3$ level. The proof rests on a reduction of max cut to a related problem o"},"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":"1608.03999","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2016-08-13T16:20:33Z","cross_cats_sorted":["cs.CC","cs.DM","math.CO"],"title_canon_sha256":"757806ed73ccd91d2542548be4399fe816a4f37043d6002b54e4aa8f75660424","abstract_canon_sha256":"28d99c01d88ddad5adc2e2aac7c9ff588b3bc0cfb4f60eca698297fb1b02b05f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:24.337179Z","signature_b64":"bYo7wYjWQfn+sOwBPs9BIYUkj+axsnyu2eWwjXagBat9O4/4dl51WUGyjYAInySl92GD221KODevh4EOry1eCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"438d4e97c8c40b4f85c8be6fa47d0561a7dd262c404c7bc2f8d8bd5a693a2c1a","last_reissued_at":"2026-05-18T00:04:24.336567Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:24.336567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cycles and Intractability in a Large Class of Aggregation Rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.DM","math.CO"],"primary_cat":"cs.GT","authors_text":"William S. Zwicker","submitted_at":"2016-08-13T16:20:33Z","abstract_excerpt":"We introduce the $(j,k)$-Kemeny rule -- a generalization of Kemeny's voting rule that aggregates $j$-chotomous weak orders into a $k$-chotomous weak order. Special cases of $(j,k)$-Kemeny include approval voting, the mean rule and Borda mean rule, as well as the Borda count and plurality voting. Why, then, is the winner problem computationally tractable for each of these other rules, but intractable for Kemeny? We show that intractability of winner determination for the $(j,k)$-Kemeny rule first appears at the $j=3$, $k=3$ level. The proof rests on a reduction of max cut to a related problem o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03999","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1608.03999","created_at":"2026-05-18T00:04:24.336662+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.03999v2","created_at":"2026-05-18T00:04:24.336662+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03999","created_at":"2026-05-18T00:04:24.336662+00:00"},{"alias_kind":"pith_short_12","alias_value":"IOGU5F6IYQFU","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"IOGU5F6IYQFU7BOI","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"IOGU5F6I","created_at":"2026-05-18T12:30:22.444734+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG","json":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG.json","graph_json":"https://pith.science/api/pith-number/IOGU5F6IYQFU7BOIXZX2I7IFMG/graph.json","events_json":"https://pith.science/api/pith-number/IOGU5F6IYQFU7BOIXZX2I7IFMG/events.json","paper":"https://pith.science/paper/IOGU5F6I"},"agent_actions":{"view_html":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG","download_json":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG.json","view_paper":"https://pith.science/paper/IOGU5F6I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.03999&json=true","fetch_graph":"https://pith.science/api/pith-number/IOGU5F6IYQFU7BOIXZX2I7IFMG/graph.json","fetch_events":"https://pith.science/api/pith-number/IOGU5F6IYQFU7BOIXZX2I7IFMG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG/action/storage_attestation","attest_author":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG/action/author_attestation","sign_citation":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG/action/citation_signature","submit_replication":"https://pith.science/pith/IOGU5F6IYQFU7BOIXZX2I7IFMG/action/replication_record"}},"created_at":"2026-05-18T00:04:24.336662+00:00","updated_at":"2026-05-18T00:04:24.336662+00:00"}