{"id":"https://openalex.org/W2073534964","doi":"https://doi.org/10.1007/bf02724562","title":"A relation between gravity in (3+1) dimensions and Pontrjagin topological invariant","display_name":"A relation between gravity in (3+1) dimensions and Pontrjagin topological invariant","publication_year":1996,"publication_date":"1996-04-01","ids":{"openalex":"https://openalex.org/W2073534964","doi":"https://doi.org/10.1007/bf02724562","mag":"2073534964"},"language":"en","primary_location":{"id":"doi:10.1007/bf02724562","doi":"https://doi.org/10.1007/bf02724562","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02724562","pdf_url":null,"source":{"id":"https://openalex.org/S4210168287","display_name":"Il Nuovo cimento della Societ\u00e0 italiana di fisica. B/Il Nuovo cimento B","issn_l":"1594-9982","issn":["1594-9982","1826-9877","2037-4895"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Il Nuovo Cimento B Series 11","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/hep-th/9508128","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"M. Medina","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I129858807","display_name":"Universidad de Guanajuato","ror":"https://ror.org/058cjye32","country_code":"MX","type":"education","lineage":["https://openalex.org/I129858807"]},{"id":"https://openalex.org/I173755004","display_name":"Universidad Michoacana de San Nicol\u00e1s de Hidalgo","ror":"https://ror.org/00z0kq074","country_code":"MX","type":"education","lineage":["https://openalex.org/I173755004"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"M. Medina","raw_affiliation_strings":["Escuela de Ciencias F\u00edsico-Matem\u00e1ticas de la, Universidad Michoacana de San Nicol\u00e1s de Hidalgo, Morelia, M\u00e9xico","Instituto de F\u00edsica, Universidad de Gunajuato, Le\u00f3n, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Escuela de Ciencias F\u00edsico-Matem\u00e1ticas de la, Universidad Michoacana de San Nicol\u00e1s de Hidalgo, Morelia, M\u00e9xico","institution_ids":["https://openalex.org/I173755004"]},{"raw_affiliation_string":"Instituto de F\u00edsica, Universidad de Gunajuato, Le\u00f3n, Mexico","institution_ids":["https://openalex.org/I129858807"]}]},{"author_position":"last","author":{"id":null,"display_name":"J. A. Nieto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I129858807","display_name":"Universidad de Guanajuato","ror":"https://ror.org/058cjye32","country_code":"MX","type":"education","lineage":["https://openalex.org/I129858807"]},{"id":"https://openalex.org/I173755004","display_name":"Universidad Michoacana de San Nicol\u00e1s de Hidalgo","ror":"https://ror.org/00z0kq074","country_code":"MX","type":"education","lineage":["https://openalex.org/I173755004"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"J. A. Nieto","raw_affiliation_strings":["Escuela de Ciencias F\u00edsico-Matem\u00e1ticas de la, Universidad Michoacana de San Nicol\u00e1s de Hidalgo, Morelia, M\u00e9xico","Instituto de F\u00edsica, Universidad de Gunajuato, Le\u00f3n, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Escuela de Ciencias F\u00edsico-Matem\u00e1ticas de la, Universidad Michoacana de San Nicol\u00e1s de Hidalgo, Morelia, M\u00e9xico","institution_ids":["https://openalex.org/I173755004"]},{"raw_affiliation_string":"Instituto de F\u00edsica, Universidad de Gunajuato, Le\u00f3n, Mexico","institution_ids":["https://openalex.org/I129858807"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I129858807","https://openalex.org/I173755004"],"apc_list":null,"apc_paid":null,"fwci":1.2989,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.81345267,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"111","issue":"4","first_page":"535","last_page":"542"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","score":0.9140999913215637,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","score":0.9140999913215637,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10025","display_name":"Black Holes and Theoretical Physics","score":0.031599998474121094,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":0.014999999664723873,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/3-1-dimensional-gravity","display_name":"3+1 dimensional gravity","score":0.7540000081062317},{"id":"https://openalex.org/keywords/topological-gravity","display_name":"topological gravity","score":0.5879999995231628},{"id":"https://openalex.org/keywords/dynamical-gravity","display_name":"dynamical gravity","score":0.8159999847412109},{"id":"https://openalex.org/keywords/poincare-gauge-theory","display_name":"Poincar\u00e9 gauge theory","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.6276000142097473},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.5903000235557556},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.492000013589859},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.4659999907016754},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.43700000643730164},{"id":"https://openalex.org/C79379906","wikidata":"https://www.wikidata.org/wiki/Q3174497","display_name":"Dynamical systems theory","level":2,"score":0.3691999912261963},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.36550000309944153},{"id":"https://openalex.org/C47600822","wikidata":"https://www.wikidata.org/wiki/Q7825032","display_name":"Topological dynamics","level":5,"score":0.27730000019073486},{"id":"https://openalex.org/C77223115","wikidata":"https://www.wikidata.org/wiki/Q634781","display_name":"Topological quantum number","level":2,"score":0.26190000772476196},{"id":"https://openalex.org/C33962884","wikidata":"https://www.wikidata.org/wiki/Q378637","display_name":"Dynamical system (definition)","level":3,"score":0.25220000743865967},{"id":"https://openalex.org/C148908050","wikidata":"https://www.wikidata.org/wiki/Q11681505","display_name":"Topological entropy in physics","level":3,"score":0.25209999084472656}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/bf02724562","doi":"https://doi.org/10.1007/bf02724562","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02724562","pdf_url":null,"source":{"id":"https://openalex.org/S4210168287","display_name":"Il Nuovo cimento della Societ\u00e0 italiana di fisica. B/Il Nuovo cimento B","issn_l":"1594-9982","issn":["1594-9982","1826-9877","2037-4895"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Il Nuovo Cimento B Series 11","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:hep-th/9508128","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/hep-th/9508128","pdf_url":"https://arxiv.org/pdf/hep-th/9508128","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:287050","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/287050","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"doi:10.48550/arxiv.hep-th/9508128","doi":"https://doi.org/10.48550/arxiv.hep-th/9508128","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.hep-th/9508128","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:hep-th/9508128","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/hep-th/9508128","pdf_url":"https://arxiv.org/pdf/hep-th/9508128","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322900","display_name":"Universidad Michoacana de San Nicol\u00e1s de Hidalgo","ror":"https://ror.org/00z0kq074"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2073534964.pdf","grobid_xml":"https://content.openalex.org/works/W2073534964.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1494981939","https://openalex.org/W1515059777","https://openalex.org/W1595028630","https://openalex.org/W1640006193","https://openalex.org/W2007185418","https://openalex.org/W2009930506","https://openalex.org/W2021786973","https://openalex.org/W2025148421","https://openalex.org/W2039326062","https://openalex.org/W2058834119","https://openalex.org/W2073212852","https://openalex.org/W2099104715","https://openalex.org/W2142318758","https://openalex.org/W2164252329","https://openalex.org/W2285792034","https://openalex.org/W2506409022","https://openalex.org/W4255064418","https://openalex.org/W6828158374","https://openalex.org/W6921416687"],"related_works":["https://openalex.org/W7095833190","https://openalex.org/W4403572852","https://openalex.org/W7101100374","https://openalex.org/W3208672324","https://openalex.org/W2030557795","https://openalex.org/W3171847226","https://openalex.org/W4402809403","https://openalex.org/W2278480489","https://openalex.org/W2759026717","https://openalex.org/W2075344755"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}