{"id":"https://openalex.org/A5042096554","orcid":null,"observed_orcids":[],"display_name":"Ivan Trendafilov","raw_author_names":["Ivan D. Trendafilov","Ivan Trendafilov","Trendafilov, Ivan","Trendafilov, Ivan Dimitrov","\u0422\u0440\u0435\u043d\u0434\u0430\u0444\u0438\u043b\u043e\u0432, \u0418\u0432\u0430\u043d"],"full_name":"Trendafilov, Ivan Dimitrov","works_count":32,"cited_by_count":60,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":4,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5042096554","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I31151848","ror":"https://ror.org/052prhs50","display_name":"Technical University of Sofia","country_code":"BG","type":"education","lineage":["https://openalex.org/I31151848"]},"years":[2024,2022,2021,2019,2015,2014,2013,2012,2011,2010]}],"last_known_institutions":[{"id":"https://openalex.org/I31151848","ror":"https://ror.org/052prhs50","display_name":"Technical University of Sofia","country_code":"BG","type":"education","lineage":["https://openalex.org/I31151848"]}],"topics":[{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","count":24,"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/T11727","display_name":"Advanced Algebra and Logic","count":17,"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/T11703","display_name":"Rings, Modules, and Algebras","count":15,"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"}},{"id":"https://openalex.org/T11673","display_name":"Advanced Topics in Algebra","count":6,"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"}},{"id":"https://openalex.org/T10948","display_name":"Advanced Combinatorial Mathematics","count":5,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","value":0.0001326,"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/T11703","display_name":"Rings, Modules, and Algebras","value":8.8e-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"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","value":7.56e-05,"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/T11673","display_name":"Advanced Topics in Algebra","value":3.94e-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"}},{"id":"https://openalex.org/T14079","display_name":"Mathematics Education and Programs","value":1.73e-05,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"116858840","wikidata":"https://www.wikidata.org/wiki/Q1340800","display_name":"Endomorphism","score":0.9789592027664185},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.8784427642822266},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6347442865371704},{"id":"136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","score":0.6093463897705078},{"id":"202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","score":0.5890632271766663}],"counts_by_year":[{"year":1999,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":2,"cited_by_count":1},{"year":2013,"works_count":7,"oa_works_count":6,"cited_by_count":5},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":3},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":10},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":2,"oa_works_count":0,"cited_by_count":6},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["Ivan D. Trendafilov","Ivan Trendafilov","Trendafilov, Ivan","Trendafilov, Ivan Dimitrov","\u0422\u0440\u0435\u043d\u0434\u0430\u0444\u0438\u043b\u043e\u0432, \u0418\u0432\u0430\u043d"],"block_key":"i trendafilov","works_api_url":"https://api.openalex.org/works?filter=author.id:A5042096554","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5042096554","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
