{"id":"https://openalex.org/W2490916850","doi":"https://doi.org/10.1515/9783110814736.261","title":"The Diagram Method for 3-folds and its application to the K\u00e4hler cone and Picard number of Calabi-Yau 3-folds. I","display_name":"The Diagram Method for 3-folds and its application to the K\u00e4hler cone and Picard number of Calabi-Yau 3-folds. I","publication_year":2012,"publication_date":"2012-03-24","ids":{"openalex":"https://openalex.org/W2490916850","doi":"https://doi.org/10.1515/9783110814736.261","mag":"2490916850"},"language":"en","primary_location":{"id":"doi:10.1515/9783110814736.261","doi":"https://doi.org/10.1515/9783110814736.261","is_oa":false,"landing_page_url":"https://doi.org/10.1515/9783110814736.261","pdf_url":null,"source":{"id":"https://openalex.org/S4306463091","display_name":"De Gruyter eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Higher Dimensional Complex Varieties","raw_type":"book-chapter"},"volume":{"id":"https://openalex.org/W580916339","display_name":"Higher Dimensional Complex Varieties"},"type":"book-chapter","is_traditional":true,"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/A5103762269","display_name":"Viacheslav Valentinovich Nikulin","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Viacheslav V Nikulin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5103762269"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10061","display_name":"Algebraic Geometry and Number Theory","score":0.9204000234603882,"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"}},"topics":[{"id":"https://openalex.org/T10061","display_name":"Algebraic Geometry and Number Theory","score":0.9204000234603882,"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/T12351","display_name":"Geometry and complex manifolds","score":0.07859999686479568,"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/T11680","display_name":"Advanced Algebra and Geometry","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/diagram-method","display_name":"diagram method","score":0.9480000138282776},{"id":"https://openalex.org/keywords/calabi-yau-threefolds","display_name":"Calabi-Yau threefolds","score":0.9660000205039978},{"id":"https://openalex.org/keywords/kahler-cone","display_name":"K\u00e4hler cone","score":0.996999979019165},{"id":"https://openalex.org/keywords/picard-number","display_name":"Picard number","score":0.9879999756813049}],"concepts":[{"id":"https://openalex.org/C158260368","wikidata":"https://www.wikidata.org/wiki/Q549959","display_name":"Calabi\u2013Yau manifold","level":2,"score":0.8577746152877808},{"id":"https://openalex.org/C30014739","wikidata":"https://www.wikidata.org/wiki/Q5159445","display_name":"Cone (formal languages)","level":2,"score":0.5883117914199829},{"id":"https://openalex.org/C186399060","wikidata":"https://www.wikidata.org/wiki/Q959962","display_name":"Diagram","level":2,"score":0.5518656969070435},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.47741949558258057},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.42942938208580017},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3319239318370819},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.32038402557373047},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.05291551351547241},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.04675319790840149}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1515/9783110814736.261","doi":"https://doi.org/10.1515/9783110814736.261","is_oa":false,"landing_page_url":"https://doi.org/10.1515/9783110814736.261","pdf_url":null,"source":{"id":"https://openalex.org/S4306463091","display_name":"De Gruyter eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Higher Dimensional Complex Varieties","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7097449718","https://openalex.org/W1848381137","https://openalex.org/W6989701669","https://openalex.org/W2085883170","https://openalex.org/W7026825544","https://openalex.org/W1990906115","https://openalex.org/W6982690106","https://openalex.org/W7099865368","https://openalex.org/W2290729567","https://openalex.org/W7017773613"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-10T09:11:00.788812","created_date":"2016-08-23T00:00:00"}
