{"id":"https://openalex.org/A5076375180","orcid":null,"observed_orcids":[],"display_name":"Kyrille Popoff","raw_author_names":["K. Popoff","Kyrille Popoff","Popoff, K."],"full_name":"Kyrille Popoff","works_count":32,"cited_by_count":23,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5076375180","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I24768866","ror":"https://ror.org/01x8hew03","display_name":"Bulgarian Academy of Sciences","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},"years":[1964]},{"institution":{"id":"https://openalex.org/I58918642","ror":"https://ror.org/02jv3k292","display_name":"Sofia University \"St. Kliment Ohridski\"","country_code":"BG","type":"education","lineage":["https://openalex.org/I58918642"]},"years":[1954,1952]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11520","display_name":"Advanced Thermodynamics and Statistical Mechanics","count":12,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"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/T12396","display_name":"Advanced Differential Equations and Dynamical Systems","count":9,"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/T11082","display_name":"Spacecraft Dynamics and Control","count":7,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10588","display_name":"Mathematical Dynamics and Fractals","count":5,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12852","display_name":"Chemical Thermodynamics and Molecular Structure","count":5,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11520","display_name":"Advanced Thermodynamics and Statistical Mechanics","value":8.41e-05,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"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/T12396","display_name":"Advanced Differential Equations and Dynamical Systems","value":3.83e-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/T11082","display_name":"Spacecraft Dynamics and Control","value":3.56e-05,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11565","display_name":"Thermoelastic and Magnetoelastic Phenomena","value":3.24e-05,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12852","display_name":"Chemical Thermodynamics and Molecular Structure","value":2.95e-05,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9330546259880066},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.8932532072067261},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.7037819027900696},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.5971986651420593},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5075920820236206}],"counts_by_year":[{"year":1920,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1921,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1922,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1925,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1929,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1932,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1933,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1935,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1939,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1947,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1948,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1951,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1952,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1954,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1955,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1956,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1960,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1964,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["K. Popoff","Kyrille Popoff","Popoff, K."],"block_key":"k popoff","works_api_url":"https://api.openalex.org/works?filter=author.id:A5076375180","updated_date":"2026-11-01T11:00:13","created_date":"2016-06-24T00:00:00"}