{"id":"https://openalex.org/W2091442648","doi":"https://doi.org/10.1002/net.3230150408","title":"On node constraint networks","display_name":"On node constraint networks","publication_year":1985,"publication_date":"1985-12-01","ids":{"openalex":"https://openalex.org/W2091442648","doi":"https://doi.org/10.1002/net.3230150408","mag":"2091442648"},"language":"en","primary_location":{"id":"doi:10.1002/net.3230150408","is_oa":false,"landing_page_url":"https://doi.org/10.1002/net.3230150408","pdf_url":null,"source":{"id":"https://openalex.org/S191798613","display_name":"Networks","issn_l":"0028-3045","issn":["0028-3045","1097-0037"],"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":"Networks","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/A5003204524","display_name":"Heinz Gr\u00f6flin","orcid":null},"institutions":[{"id":"https://openalex.org/I2799323385","display_name":"Board of the Swiss Federal Institutes of Technology","ror":"https://ror.org/01rvn4p91","country_code":"CH","type":"government","lineage":["https://openalex.org/I2799323385"]},{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Heinz Gr\u00f6flin","raw_affiliation_strings":["Institut fu\u0308r Operations Research, Eidgeno\u0308ssische Technische Hochschule Zurich, CH-8092 Zurich, Switzerland","Institut f\u00fcr Operations Research, Eidgen\u00f6ssische Technische Hochschule Zurich, CH\u20108092 Zurich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut fu\u0308r Operations Research, Eidgeno\u0308ssische Technische Hochschule Zurich, CH-8092 Zurich, Switzerland","institution_ids":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"raw_affiliation_string":"Institut f\u00fcr Operations Research, Eidgen\u00f6ssische Technische Hochschule Zurich, CH\u20108092 Zurich, Switzerland","institution_ids":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5003204524"],"corresponding_institution_ids":["https://openalex.org/I2799323385","https://openalex.org/I35440088"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.26363636,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":"4","first_page":"469","last_page":"475"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9979000091552734,"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":0.9979000091552734,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9855999946594238,"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":0.984499990940094,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/antichain","display_name":"Antichain","score":0.8290935754776001},{"id":"https://openalex.org/keywords/partially-ordered-set","display_name":"Partially ordered set","score":0.767927348613739},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6627370119094849},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6107096672058105},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5799520015716553},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5795393586158752},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.5142571330070496},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.44032707810401917},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4168705940246582},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4046514928340912},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2314353883266449}],"concepts":[{"id":"https://openalex.org/C136134351","wikidata":"https://www.wikidata.org/wiki/Q431937","display_name":"Antichain","level":3,"score":0.8290935754776001},{"id":"https://openalex.org/C180645754","wikidata":"https://www.wikidata.org/wiki/Q474715","display_name":"Partially ordered set","level":2,"score":0.767927348613739},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6627370119094849},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6107096672058105},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5799520015716553},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5795393586158752},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.5142571330070496},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.44032707810401917},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4168705940246582},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4046514928340912},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2314353883266449},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/net.3230150408","is_oa":false,"landing_page_url":"https://doi.org/10.1002/net.3230150408","pdf_url":null,"source":{"id":"https://openalex.org/S191798613","display_name":"Networks","issn_l":"0028-3045","issn":["0028-3045","1097-0037"],"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":"Networks","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1964119857","https://openalex.org/W2155370486","https://openalex.org/W2198935113","https://openalex.org/W4230627818","https://openalex.org/W4244424643","https://openalex.org/W4254807835"],"related_works":["https://openalex.org/W2013313833","https://openalex.org/W28336341","https://openalex.org/W2111205855","https://openalex.org/W2015816871","https://openalex.org/W1854642140","https://openalex.org/W2065333210","https://openalex.org/W2056881277","https://openalex.org/W1504624230","https://openalex.org/W3213974985","https://openalex.org/W4302107529"],"abstract_inverted_index":{"Abstract":[0],"We":[1],"give":[2],"node":[3],"constraint":[4],"versions":[5],"of":[6,29,32],"the":[7,30],"circulation":[8],"theorem":[9],"and":[10,14,19,26],"max":[11],"flow\u2010min":[12],"cut":[13,17],"min":[15],"flow\u2010max":[16],"theorems,":[18],"show":[20],"how":[21],"they":[22],"provide":[23],"a":[24,35],"short":[25],"elementary":[27],"treatment":[28],"problems":[31],"finding":[33],"in":[34],"poset":[36],"an":[37,41],"optimum":[38,42],"antichain":[39],"or":[40],"convex":[43],"set.":[44]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
