{"id":"https://openalex.org/W2591985672","doi":"https://doi.org/10.1007/s00224-018-9893-y","title":"Counting Edge-injective Homomorphisms and Matchings on Restricted Graph Classes","display_name":"Counting Edge-injective Homomorphisms and Matchings on Restricted Graph Classes","publication_year":2018,"publication_date":"2018-10-31","ids":{"openalex":"https://openalex.org/W2591985672","doi":"https://doi.org/10.1007/s00224-018-9893-y","mag":"2591985672"},"language":"en","primary_location":{"id":"doi:10.1007/s00224-018-9893-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00224-018-9893-y","pdf_url":null,"source":{"id":"https://openalex.org/S4210177266","display_name":"Theory of Computing Systems","issn_l":"1432-4350","issn":["1432-4350","1433-0490"],"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":"Theory of Computing Systems","raw_type":"journal-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1702.05447","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080255734","display_name":"Radu Curticapean","orcid":"https://orcid.org/0000-0001-7201-9905"},"institutions":[{"id":"https://openalex.org/I83467386","display_name":"IT University of Copenhagen","ror":"https://ror.org/02309jg23","country_code":"DK","type":"education","lineage":["https://openalex.org/I83467386"]}],"countries":["DK"],"is_corresponding":true,"raw_author_name":"Radu Curticapean","raw_affiliation_strings":["Basic Algorithms Research Copenhagen (BARC) and IT University of Copenhagen, K\u00f8benhavn, Denmark"],"affiliations":[{"raw_affiliation_string":"Basic Algorithms Research Copenhagen (BARC) and IT University of Copenhagen, K\u00f8benhavn, Denmark","institution_ids":["https://openalex.org/I83467386"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052689442","display_name":"Holger Dell","orcid":"https://orcid.org/0000-0001-8955-0786"},"institutions":[{"id":"https://openalex.org/I91712215","display_name":"Saarland University","ror":"https://ror.org/01jdpyv68","country_code":"DE","type":"education","lineage":["https://openalex.org/I91712215"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Holger Dell","raw_affiliation_strings":["Cluster of Excellence (MMCI), Saarland University, Saarbr\u00fccken, Germany"],"affiliations":[{"raw_affiliation_string":"Cluster of Excellence (MMCI), Saarland University, Saarbr\u00fccken, Germany","institution_ids":["https://openalex.org/I91712215"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091690351","display_name":"Marc Roth","orcid":"https://orcid.org/0000-0003-3159-9418"},"institutions":[{"id":"https://openalex.org/I91712215","display_name":"Saarland University","ror":"https://ror.org/01jdpyv68","country_code":"DE","type":"education","lineage":["https://openalex.org/I91712215"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marc Roth","raw_affiliation_strings":["Cluster of Excellence (MMCI) and Graduate School of Computer Science, Saarland University, Saarbr\u00fccken, Germany"],"affiliations":[{"raw_affiliation_string":"Cluster of Excellence (MMCI) and Graduate School of Computer Science, Saarland University, Saarbr\u00fccken, Germany","institution_ids":["https://openalex.org/I91712215"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080255734"],"corresponding_institution_ids":["https://openalex.org/I83467386"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00877445,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":"5","first_page":"987","last_page":"1026"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12056","display_name":"Markov Chains and Monte Carlo Methods","score":0.9577999711036682,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12056","display_name":"Markov Chains and Monte Carlo Methods","score":0.9577999711036682,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"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/combinatorics","display_name":"Combinatorics","score":0.7793595194816589},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7363439798355103},{"id":"https://openalex.org/keywords/injective-function","display_name":"Injective function","score":0.7163211107254028},{"id":"https://openalex.org/keywords/homomorphism","display_name":"Homomorphism","score":0.5576220750808716},{"id":"https://openalex.org/keywords/bipartite-graph","display_name":"Bipartite graph","score":0.4986448287963867},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.49384599924087524},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.45669394731521606},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.4359791576862335},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"Mathematical proof","score":0.4157216548919678},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.3499789237976074}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7793595194816589},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7363439798355103},{"id":"https://openalex.org/C128107574","wikidata":"https://www.wikidata.org/wiki/Q182003","display_name":"Injective function","level":2,"score":0.7163211107254028},{"id":"https://openalex.org/C4042151","wikidata":"https://www.wikidata.org/wiki/Q215111","display_name":"Homomorphism","level":2,"score":0.5576220750808716},{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.4986448287963867},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.49384599924087524},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.45669394731521606},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.4359791576862335},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.4157216548919678},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.3499789237976074},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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}],"mesh":[],"locations_count":10,"locations":[{"id":"doi:10.1007/s00224-018-9893-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00224-018-9893-y","pdf_url":null,"source":{"id":"https://openalex.org/S4210177266","display_name":"Theory of Computing Systems","issn_l":"1432-4350","issn":["1432-4350","1433-0490"],"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":"Theory of Computing Systems","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1702.05447","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1702.05447","pdf_url":"https://arxiv.org/pdf/1702.05447","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"mag:2591985672","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1702.05447","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:drops-oai.dagstuhl.de:7008","is_oa":true,"landing_page_url":"https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2017.25","pdf_url":null,"source":{"id":"https://openalex.org/S4377196569","display_name":"DROPS (Schloss Dagstuhl \u2013 Leibniz Center for Informatics)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799853480","host_organization_name":"Schloss Dagstuhl \u2013 Leibniz Center for Informatics","host_organization_lineage":["https://openalex.org/I2799853480"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"InProceedings"},{"id":"pmh:oai:eprints.sztaki.hu:9220","is_oa":false,"landing_page_url":"http://eprints.sztaki.hu/9220/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401907","display_name":"SZTAKI Publication Repository (Hungarian Academy of Sciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I7597260","host_organization_name":"Hungarian Academy of Sciences","host_organization_lineage":["https://openalex.org/I7597260"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Book Section"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:39fa8d3e-a79e-4b88-8337-98ab2a647c4d","is_oa":true,"landing_page_url":"https://ora.ox.ac.uk/objects/uuid:39fa8d3e-a79e-4b88-8337-98ab2a647c4d","pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference item"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:52c4cd16-0ad0-41f5-81a1-d9aa19b2c69f","is_oa":false,"landing_page_url":"https://ora.ox.ac.uk/objects/uuid:52c4cd16-0ad0-41f5-81a1-d9aa19b2c69f","pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal article"},{"id":"doi:10.48550/arxiv.1702.05447","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1702.05447","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"},{"id":"doi:10.4230/lipics.stacs.2017.25","is_oa":true,"landing_page_url":"https://doi.org/10.4230/lipics.stacs.2017.25","pdf_url":null,"source":{"id":"https://openalex.org/S7407052059","display_name":"Dagstuhl Research Online Publication Server","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":""},{"id":"mag:2963353391","is_oa":false,"landing_page_url":"https://drops.dagstuhl.de/opus/volltexte/2017/7008/pdf/LIPIcs-STACS-2017-25.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306421002","display_name":"Symposium on Theoretical Aspects of Computer Science","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"Symposium on Theoretical Aspects of Computer Science","raw_type":null}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1702.05447","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1702.05447","pdf_url":"https://arxiv.org/pdf/1702.05447","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":[],"awards":[{"id":"https://openalex.org/G5539758277","display_name":null,"funder_award_id":"280152","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"},{"id":"https://openalex.org/G8680003781","display_name":null,"funder_award_id":"725978","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"}],"funders":[{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W127859554","https://openalex.org/W273178449","https://openalex.org/W1973199140","https://openalex.org/W1976143666","https://openalex.org/W1982406523","https://openalex.org/W1985260677","https://openalex.org/W1996791172","https://openalex.org/W2001258629","https://openalex.org/W2003722559","https://openalex.org/W2006912660","https://openalex.org/W2009147258","https://openalex.org/W2012041962","https://openalex.org/W2021372200","https://openalex.org/W2027519504","https://openalex.org/W2044105411","https://openalex.org/W2049559029","https://openalex.org/W2056017121","https://openalex.org/W2065813152","https://openalex.org/W2065888137","https://openalex.org/W2072480005","https://openalex.org/W2076090007","https://openalex.org/W2091345559","https://openalex.org/W2111829945","https://openalex.org/W2125823990","https://openalex.org/W2137874581","https://openalex.org/W2154899352","https://openalex.org/W2161611531","https://openalex.org/W2170458234","https://openalex.org/W2199650251","https://openalex.org/W2311858305","https://openalex.org/W2397172610","https://openalex.org/W2610844084","https://openalex.org/W2612406003","https://openalex.org/W2673671271","https://openalex.org/W2912403374","https://openalex.org/W2913798276","https://openalex.org/W2963279056","https://openalex.org/W4213214460","https://openalex.org/W4254702493"],"related_works":["https://openalex.org/W2898827567","https://openalex.org/W2962874356","https://openalex.org/W2914823289","https://openalex.org/W3030445364","https://openalex.org/W2131364538","https://openalex.org/W2762333970","https://openalex.org/W1610997373","https://openalex.org/W3029731269","https://openalex.org/W2521871745","https://openalex.org/W3003350215","https://openalex.org/W1575996158","https://openalex.org/W2030625369","https://openalex.org/W2175977421","https://openalex.org/W2251473351","https://openalex.org/W1997088236","https://openalex.org/W2963680087","https://openalex.org/W2894741972","https://openalex.org/W2287985623","https://openalex.org/W2140225582","https://openalex.org/W2112132940"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}