{"id":"https://openalex.org/A5111832373","orcid":null,"observed_orcids":[],"display_name":"Friedrich Bachmann","raw_author_names":["Friedrich Bachmann"],"full_name":"Friedrich Bachmann","works_count":30,"cited_by_count":689,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5111832373","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I32021983","ror":"https://ror.org/04v76ef78","display_name":"Christian-Albrechts-Universit\u00e4t zu Kiel","country_code":"DE","type":"education","lineage":["https://openalex.org/I32021983"]},"years":[1980,1977,1975,1973,1972,1971,1965,1959]},{"institution":{"id":"https://openalex.org/I87216513","ror":"https://ror.org/05hs6h993","display_name":"Michigan State University","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},"years":[1981]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T12504","display_name":"Mathematics and Applications","count":27,"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/T13080","display_name":"Advanced Differential Geometry Research","count":18,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T11151","display_name":"Advanced Topology and Set Theory","count":11,"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/T12170","display_name":"History and Theory of Mathematics","count":9,"subfield":{"id":"https://openalex.org/subfields/2614","display_name":"Theoretical Computer Science"},"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/T10304","display_name":"Geometric and Algebraic Topology","count":6,"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"}}],"topic_share":[{"id":"https://openalex.org/T12504","display_name":"Mathematics and Applications","value":7.7e-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/T13080","display_name":"Advanced Differential Geometry Research","value":7e-05,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T11151","display_name":"Advanced Topology and Set Theory","value":4.54e-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/T10304","display_name":"Geometric and Algebraic Topology","value":2.47e-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/T12170","display_name":"History and Theory of Mathematics","value":2.11e-05,"subfield":{"id":"https://openalex.org/subfields/2614","display_name":"Theoretical Computer Science"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"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":0.9176353216171265},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.5945997834205627},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.4903238117694855},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.44407573342323303},{"id":"202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","score":0.433269202709198}],"counts_by_year":[{"year":1936,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1937,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1940,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1948,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1951,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1953,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1959,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1960,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1965,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["Friedrich Bachmann"],"block_key":"f bachmann","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111832373","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}