{"id":"https://openalex.org/A5034441190","orcid":"https://orcid.org/0000-0001-6201-5134","observed_orcids":["https://orcid.org/0000-0001-6201-5134"],"display_name":"Hazal Ceyhan","raw_author_names":["Hazal CEYHAN","Hazal Ceyhan"],"full_name":"Hazal CEYHAN","works_count":20,"cited_by_count":123,"summary_stats":{"2yr_mean_citedness":3.9,"h_index":6,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5034441190","orcid":"https://orcid.org/0000-0001-6201-5134","observed_orcids":["https://orcid.org/0000-0001-6201-5134"]},"affiliations":[{"institution":{"id":"https://openalex.org/I149218525","ror":"https://ror.org/01wntqw50","display_name":"Ankara University","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]},"years":[2025,2024,2023,2022,2020,2018]},{"institution":{"id":"https://openalex.org/I4387152504","ror":"https://ror.org/017v96566","display_name":"Bak\u0131r\u00e7ay \u00dcniversitesi","country_code":"TR","type":"education","lineage":["https://openalex.org/I4387152504"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I4387152504","ror":"https://ror.org/017v96566","display_name":"Bak\u0131r\u00e7ay \u00dcniversitesi","country_code":"TR","type":"education","lineage":["https://openalex.org/I4387152504"]}],"topics":[{"id":"https://openalex.org/T13080","display_name":"Advanced Differential Geometry Research","count":15,"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/T12037","display_name":"Algebraic and Geometric Analysis","count":7,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/T12504","display_name":"Mathematics and Applications","count":7,"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/T11683","display_name":"Quantum and Classical Electrodynamics","count":6,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10490","display_name":"Orbital Angular Momentum in Optics","count":4,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12037","display_name":"Algebraic and Geometric Analysis","value":0.0002,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/T13080","display_name":"Advanced Differential Geometry Research","value":6.26e-05,"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/T12050","display_name":"Optical Polarization and Ellipsometry","value":3.35e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10490","display_name":"Orbital Angular Momentum in Optics","value":2.89e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11683","display_name":"Quantum and Classical Electrodynamics","value":2.41e-05,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.9248321652412415},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7722012996673584},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.556565523147583},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5043832063674927},{"id":"2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","score":0.4779213070869446}],"counts_by_year":[{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":2},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":16},{"year":2024,"works_count":7,"oa_works_count":4,"cited_by_count":29},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":30},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":27}],"display_name_alternatives":["Hazal CEYHAN","Hazal Ceyhan"],"block_key":"h ceyhan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5034441190","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5034441190","updated_date":"2026-11-14T11:48:19","created_date":"2016-08-23T00:00:00"}
