{"id":"https://openalex.org/W1995907656","doi":"https://doi.org/10.1002/malq.19890350610","title":"A New Approach to Constructive Topology and Measure Theory","display_name":"A New Approach to Constructive Topology and Measure Theory","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W1995907656","doi":"https://doi.org/10.1002/malq.19890350610","mag":"1995907656"},"language":"en","primary_location":{"id":"doi:10.1002/malq.19890350610","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19890350610","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076311308","display_name":"A. K. Khalifa","orcid":null},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"A. K. Khalifa","raw_affiliation_strings":["Mathematics Department Faculty of Science, Cairo University Giza Egypt","Mathematics Department, Faculty of Science, Cairo University, Giza, Egypt;"],"affiliations":[{"raw_affiliation_string":"Mathematics Department Faculty of Science, Cairo University Giza Egypt","institution_ids":["https://openalex.org/I145487455"]},{"raw_affiliation_string":"Mathematics Department, Faculty of Science, Cairo University, Giza, Egypt;","institution_ids":["https://openalex.org/I145487455"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5076311308"],"corresponding_institution_ids":["https://openalex.org/I145487455"],"apc_list":{"value":2630,"currency":"USD","value_usd":2630},"apc_paid":null,"fwci":0.468,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.58302253,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"35","issue":"6","first_page":"539","last_page":"550"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9896000027656555,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.977400004863739,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/constructive","display_name":"Constructive","score":0.6521442532539368},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5002593994140625},{"id":"https://openalex.org/keywords/intuitionism","display_name":"Intuitionism","score":0.4825272262096405},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.46246641874313354},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.4115147590637207},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.36443090438842773},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3512200117111206},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3452495038509369},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.2270449995994568},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.12105387449264526},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.08810225129127502}],"concepts":[{"id":"https://openalex.org/C2778701210","wikidata":"https://www.wikidata.org/wiki/Q28130034","display_name":"Constructive","level":3,"score":0.6521442532539368},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5002593994140625},{"id":"https://openalex.org/C153107464","wikidata":"https://www.wikidata.org/wiki/Q10879018","display_name":"Intuitionism","level":2,"score":0.4825272262096405},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.46246641874313354},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.4115147590637207},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.36443090438842773},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3512200117111206},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3452495038509369},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2270449995994568},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.12105387449264526},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.08810225129127502},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.19890350610","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19890350610","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1516030196","https://openalex.org/W1581824324","https://openalex.org/W2067914884","https://openalex.org/W3146968183","https://openalex.org/W4239062509","https://openalex.org/W4300876653","https://openalex.org/W6629425118"],"related_works":["https://openalex.org/W1986247365","https://openalex.org/W1992706522","https://openalex.org/W1516422019","https://openalex.org/W2909551874","https://openalex.org/W4234424721","https://openalex.org/W2022835124","https://openalex.org/W3200049288","https://openalex.org/W4205657776","https://openalex.org/W314298320","https://openalex.org/W1458248844"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
