{"id":"https://openalex.org/W2016415722","doi":"https://doi.org/10.1007/s10485-009-9206-3","title":"Connected and Disconnected Maps","display_name":"Connected and Disconnected Maps","publication_year":2009,"publication_date":"2009-06-19","ids":{"openalex":"https://openalex.org/W2016415722","doi":"https://doi.org/10.1007/s10485-009-9206-3","mag":"2016415722"},"language":"en","primary_location":{"id":"doi:10.1007/s10485-009-9206-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-009-9206-3","pdf_url":null,"source":{"id":"https://openalex.org/S148906134","display_name":"Applied Categorical Structures","issn_l":"0927-2852","issn":["0927-2852","1572-9095"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"Applied Categorical Structures","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/A5003003822","display_name":"Gareth Boxall","orcid":"https://orcid.org/0000-0003-0022-6256"},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Gareth Boxall","raw_affiliation_strings":["Department of Pure Mathematics, University of Leeds, Leeds, LS2 9JT, UK","(University of Leeds"],"affiliations":[{"raw_affiliation_string":"Department of Pure Mathematics, University of Leeds, Leeds, LS2 9JT, UK","institution_ids":["https://openalex.org/I130828816"]},{"raw_affiliation_string":"(University of Leeds","institution_ids":["https://openalex.org/I130828816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025107481","display_name":"David Holgate","orcid":"https://orcid.org/0000-0002-6599-9092"},"institutions":[{"id":"https://openalex.org/I26092322","display_name":"Stellenbosch University","ror":"https://ror.org/05bk57929","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26092322"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"David Holgate","raw_affiliation_strings":["Department of Mathematical Sciences, University of Stellenbosch, Stellenbosch, 7600, South Africa","University of Stellenbosch"],"affiliations":[{"raw_affiliation_string":"Department of Mathematical Sciences, University of Stellenbosch, Stellenbosch, 7600, South Africa","institution_ids":["https://openalex.org/I26092322"]},{"raw_affiliation_string":"University of Stellenbosch","institution_ids":["https://openalex.org/I26092322"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5003003822"],"corresponding_institution_ids":["https://openalex.org/I130828816"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.11847445,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"19","issue":"1","first_page":"301","last_page":"319"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9781000018119812,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9781000018119812,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9264000058174133,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10896","display_name":"Homotopy and Cohomology in Algebraic Topology","score":0.9017000198364258,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/morphism","display_name":"Morphism","score":0.8965009450912476},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8774129152297974},{"id":"https://openalex.org/keywords/social-connectedness","display_name":"Social connectedness","score":0.5875507593154907},{"id":"https://openalex.org/keywords/quotient","display_name":"Quotient","score":0.4742521345615387},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.46918749809265137},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.4261532127857208},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.39451733231544495},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3844074010848999}],"concepts":[{"id":"https://openalex.org/C137212723","wikidata":"https://www.wikidata.org/wiki/Q1948412","display_name":"Morphism","level":2,"score":0.8965009450912476},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8774129152297974},{"id":"https://openalex.org/C201943243","wikidata":"https://www.wikidata.org/wiki/Q7551008","display_name":"Social connectedness","level":2,"score":0.5875507593154907},{"id":"https://openalex.org/C199422724","wikidata":"https://www.wikidata.org/wiki/Q41118","display_name":"Quotient","level":2,"score":0.4742521345615387},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.46918749809265137},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.4261532127857208},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.39451733231544495},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3844074010848999},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10485-009-9206-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10485-009-9206-3","pdf_url":null,"source":{"id":"https://openalex.org/S148906134","display_name":"Applied Categorical Structures","issn_l":"0927-2852","issn":["0927-2852","1572-9095"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"Applied Categorical Structures","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W79919140","https://openalex.org/W123394070","https://openalex.org/W623267246","https://openalex.org/W1025363093","https://openalex.org/W1544470304","https://openalex.org/W1583077556","https://openalex.org/W1965707361","https://openalex.org/W1966101132","https://openalex.org/W1988612426","https://openalex.org/W2003794953","https://openalex.org/W2015706431","https://openalex.org/W2063678029","https://openalex.org/W2067241351","https://openalex.org/W2079601804","https://openalex.org/W2088027070","https://openalex.org/W2129006511","https://openalex.org/W2329491999","https://openalex.org/W2330716054","https://openalex.org/W2518336349","https://openalex.org/W2885263772","https://openalex.org/W2911378048","https://openalex.org/W4247542108","https://openalex.org/W4253651345"],"related_works":["https://openalex.org/W3125761283","https://openalex.org/W1976722080","https://openalex.org/W3152831473","https://openalex.org/W3092556108","https://openalex.org/W1995672666","https://openalex.org/W2154176501","https://openalex.org/W2190085401","https://openalex.org/W3044931971","https://openalex.org/W3008541637","https://openalex.org/W3121197002"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}