{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:SWVPYGSNIO5C67FH3IBL6CZIOR","short_pith_number":"pith:SWVPYGSN","schema_version":"1.0","canonical_sha256":"95aafc1a4d43ba2f7ca7da02bf0b28746528478d19369835b5578ae67b9d5be9","source":{"kind":"arxiv","id":"1703.03630","version":3},"attestation_state":"computed","paper":{"title":"Unitarity Problems in 3$D$ Gravity Theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Bayram Tekin, Ercan Kilicarslan, Gokhan Alkac, Luca Basanisi","submitted_at":"2017-03-10T11:25:14Z","abstract_excerpt":"We revisit the problem of the bulk-boundary unitarity clash in 2 + 1 dimensional gravity theories, which has been an obstacle in providing a viable dual two-dimensional conformal field theory for bulk gravity in anti-de Sitter (AdS) spacetime. Chiral gravity, which is a particular limit of cosmological topologically massive gravity (TMG), suffers from pertur- bative log-modes with negative energies inducing a non-unitary logarithmic boundary field theory. We show here that any f(R) extension of TMG does not improve the situation. We also study the perturbative modes in the metric formulation 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":"1703.03630","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-10T11:25:14Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"75b2a8f7ae33bf19c778c52690f82b825080663df6661150120cc22cd6cce35c","abstract_canon_sha256":"86ddbcd7b55918c43ae0286ebe3882d83bb20aef844b97367e360bcd6753f4ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:06.890968Z","signature_b64":"qg3+nT6ynWSUIHE61BzmQQzWPVQEfYEtFZa7vk9Zzp0fIiqbd4bXKaKSv1/CsK4Oy3w6ErZuGDMB57OtiyGHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95aafc1a4d43ba2f7ca7da02bf0b28746528478d19369835b5578ae67b9d5be9","last_reissued_at":"2026-05-18T00:40:06.890472Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:06.890472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unitarity Problems in 3$D$ Gravity Theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Bayram Tekin, Ercan Kilicarslan, Gokhan Alkac, Luca Basanisi","submitted_at":"2017-03-10T11:25:14Z","abstract_excerpt":"We revisit the problem of the bulk-boundary unitarity clash in 2 + 1 dimensional gravity theories, which has been an obstacle in providing a viable dual two-dimensional conformal field theory for bulk gravity in anti-de Sitter (AdS) spacetime. Chiral gravity, which is a particular limit of cosmological topologically massive gravity (TMG), suffers from pertur- bative log-modes with negative energies inducing a non-unitary logarithmic boundary field theory. We show here that any f(R) extension of TMG does not improve the situation. We also study the perturbative modes in the metric formulation o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03630","kind":"arxiv","version":3},"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":"1703.03630","created_at":"2026-05-18T00:40:06.890526+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.03630v3","created_at":"2026-05-18T00:40:06.890526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.03630","created_at":"2026-05-18T00:40:06.890526+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWVPYGSNIO5C","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWVPYGSNIO5C67FH","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWVPYGSN","created_at":"2026-05-18T12:31:43.269735+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/SWVPYGSNIO5C67FH3IBL6CZIOR","json":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR.json","graph_json":"https://pith.science/api/pith-number/SWVPYGSNIO5C67FH3IBL6CZIOR/graph.json","events_json":"https://pith.science/api/pith-number/SWVPYGSNIO5C67FH3IBL6CZIOR/events.json","paper":"https://pith.science/paper/SWVPYGSN"},"agent_actions":{"view_html":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR","download_json":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR.json","view_paper":"https://pith.science/paper/SWVPYGSN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.03630&json=true","fetch_graph":"https://pith.science/api/pith-number/SWVPYGSNIO5C67FH3IBL6CZIOR/graph.json","fetch_events":"https://pith.science/api/pith-number/SWVPYGSNIO5C67FH3IBL6CZIOR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR/action/storage_attestation","attest_author":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR/action/author_attestation","sign_citation":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR/action/citation_signature","submit_replication":"https://pith.science/pith/SWVPYGSNIO5C67FH3IBL6CZIOR/action/replication_record"}},"created_at":"2026-05-18T00:40:06.890526+00:00","updated_at":"2026-05-18T00:40:06.890526+00:00"}