{"work":{"id":"12d1f647-7b76-4b92-a8d2-1ea7a0d7b929","openalex_id":null,"doi":null,"arxiv_id":"0802.0330","raw_key":null,"title":"Spherical black holes with regular center: a review of existing models including a recent realization with Gaussian sources","authors":null,"authors_text":"S","year":2008,"venue":"gr-qc","abstract":"We review, in a historical perspective, some results about black hole spacetimes with a regular center. We then see how their properties are realized in a specific solution that recently appeared; in particular we analyze in detail the (necessary) violation of the strong energy condition.","external_url":"https://arxiv.org/abs/0802.0330","cited_by_count":null,"metadata_source":"pith","metadata_fetched_at":"2026-07-10T11:07:01.995018+00:00","pith_arxiv_id":"0802.0330","created_at":"2026-05-10T00:54:49.179929+00:00","updated_at":"2026-07-10T11:07:01.995018+00:00","title_quality_ok":true,"display_title":"Spherical black holes with regular center: a review of existing models including a recent realization with Gaussian sources","render_title":"Spherical black holes with regular center: a review of existing models including a recent realization with Gaussian sources"},"hub":{"state":{"work_id":"12d1f647-7b76-4b92-a8d2-1ea7a0d7b929","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":21,"external_cited_by_count":null,"distinct_field_count":4,"first_pith_cited_at":"2025-06-01T14:33:43+00:00","last_pith_cited_at":"2026-07-09T08:24:20+00:00","author_build_status":"not_needed","summary_status":"needed","contexts_status":"needed","graph_status":"needed","ask_index_status":"not_needed","reader_status":"not_needed","recognition_status":"not_needed","updated_at":"2026-08-23T01:59:42.062958+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":6}],"polarity_counts":[{"context_polarity":"background","n":5},{"context_polarity":"support","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}