{"id":"https://openalex.org/W3195881359","doi":"https://doi.org/10.1007/978-3-030-10564-8_7","title":"Hard and Easy Instances of L-Tromino Tilings","display_name":"Hard and Easy Instances of L-Tromino Tilings","publication_year":2018,"publication_date":"2018-12-20","ids":{"openalex":"https://openalex.org/W3195881359","doi":"https://doi.org/10.1007/978-3-030-10564-8_7","mag":"3195881359"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-030-10564-8_7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-030-10564-8_7","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5066161822","display_name":"Javier T. Akagi","orcid":"https://orcid.org/0000-0002-8169-5654"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":true,"raw_author_name":"Javier T. Akagi","raw_affiliation_strings":["Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay"],"affiliations":[{"raw_affiliation_string":"Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056664062","display_name":"Carlos Gaona","orcid":"https://orcid.org/0000-0002-8041-0792"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Carlos F. Gaona","raw_affiliation_strings":["Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay"],"affiliations":[{"raw_affiliation_string":"Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090783374","display_name":"Fabricio Mendoza","orcid":null},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Fabricio Mendoza","raw_affiliation_strings":["Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay"],"affiliations":[{"raw_affiliation_string":"Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047113125","display_name":"Manjil P. Saikia","orcid":"https://orcid.org/0000-0002-2997-6731"},"institutions":[{"id":"https://openalex.org/I129774422","display_name":"University of Vienna","ror":"https://ror.org/03prydq77","country_code":"AT","type":"education","lineage":["https://openalex.org/I129774422"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Manjil P. Saikia","raw_affiliation_strings":["Fakult\u00e4t f\u00fcr Mathematik, Universit\u00e4t Wien, Oskar-Morgenstern-Platz 1, 1090, Vienna, Austria"],"affiliations":[{"raw_affiliation_string":"Fakult\u00e4t f\u00fcr Mathematik, Universit\u00e4t Wien, Oskar-Morgenstern-Platz 1, 1090, Vienna, Austria","institution_ids":["https://openalex.org/I129774422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076869132","display_name":"Marcos Villagra","orcid":"https://orcid.org/0000-0002-6081-9099"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Marcos Villagra","raw_affiliation_strings":["Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay"],"affiliations":[{"raw_affiliation_string":"Universidad Nacional de Asunci\u00f3n, NIDTEC, Campus Universitario, San Lorenzo, 2619, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5066161822"],"corresponding_institution_ids":["https://openalex.org/I8379220"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.1815,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.68637929,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"82","last_page":"95"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9943000078201294,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9943000078201294,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T12162","display_name":"Cellular Automata and Applications","score":0.9652000069618225,"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/T12923","display_name":"Digital Image Processing Techniques","score":0.9563999772071838,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/rectangle","display_name":"Rectangle","score":0.8690229654312134},{"id":"https://openalex.org/keywords/polyomino","display_name":"Polyomino","score":0.7853286862373352},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7700015306472778},{"id":"https://openalex.org/keywords/square-tiling","display_name":"Square tiling","score":0.6537918448448181},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.5848492383956909},{"id":"https://openalex.org/keywords/substitution-tiling","display_name":"Substitution tiling","score":0.5626038908958435},{"id":"https://openalex.org/keywords/hexagonal-tiling","display_name":"Hexagonal tiling","score":0.5233242511749268},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5040556192398071},{"id":"https://openalex.org/keywords/lattice","display_name":"Lattice (music)","score":0.4376929998397827},{"id":"https://openalex.org/keywords/np-complete","display_name":"NP-complete","score":0.42768967151641846},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.38943928480148315},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35249972343444824},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.10958462953567505},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09967395663261414},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07087770104408264}],"concepts":[{"id":"https://openalex.org/C2781302577","wikidata":"https://www.wikidata.org/wiki/Q209","display_name":"Rectangle","level":2,"score":0.8690229654312134},{"id":"https://openalex.org/C69919132","wikidata":"https://www.wikidata.org/wiki/Q1144819","display_name":"Polyomino","level":3,"score":0.7853286862373352},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7700015306472778},{"id":"https://openalex.org/C178650486","wikidata":"https://www.wikidata.org/wiki/Q1128619","display_name":"Square tiling","level":3,"score":0.6537918448448181},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.5848492383956909},{"id":"https://openalex.org/C21550011","wikidata":"https://www.wikidata.org/wiki/Q7632143","display_name":"Substitution tiling","level":2,"score":0.5626038908958435},{"id":"https://openalex.org/C35908053","wikidata":"https://www.wikidata.org/wiki/Q3063631","display_name":"Hexagonal tiling","level":3,"score":0.5233242511749268},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5040556192398071},{"id":"https://openalex.org/C2781204021","wikidata":"https://www.wikidata.org/wiki/Q6497091","display_name":"Lattice (music)","level":2,"score":0.4376929998397827},{"id":"https://openalex.org/C122749075","wikidata":"https://www.wikidata.org/wiki/Q215206","display_name":"NP-complete","level":3,"score":0.42768967151641846},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.38943928480148315},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35249972343444824},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.10958462953567505},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09967395663261414},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07087770104408264},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/978-3-030-10564-8_7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-030-10564-8_7","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:https://orca.cardiff.ac.uk:129923","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401195","display_name":"ORCA Online Research @Cardiff (Cardiff University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79510175","host_organization_name":"Cardiff University","host_organization_lineage":["https://openalex.org/I79510175"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1963707128","https://openalex.org/W1992101337","https://openalex.org/W2001258629","https://openalex.org/W2007385106","https://openalex.org/W2026897841","https://openalex.org/W2030077996","https://openalex.org/W2154815812","https://openalex.org/W2417347603","https://openalex.org/W2595753595","https://openalex.org/W3100777331"],"related_works":["https://openalex.org/W2188248099","https://openalex.org/W2066759919","https://openalex.org/W4384920044","https://openalex.org/W1968872938","https://openalex.org/W2154815812","https://openalex.org/W2005255633","https://openalex.org/W3204022832","https://openalex.org/W4287281046","https://openalex.org/W3134081055","https://openalex.org/W3195881359"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
