{"id":"https://openalex.org/A5113791807","orcid":null,"observed_orcids":[],"display_name":"Michael R. Ziegler","raw_author_names":["M. R. Ziegler","Michael R. Ziegler","Michael Ziegler","Ziegler, Michael R."],"full_name":"Michael R. Ziegler","works_count":20,"cited_by_count":101,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5113791807","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I102461120","ror":"https://ror.org/04gr4te78","display_name":"Marquette University","country_code":"US","type":"education","lineage":["https://openalex.org/I102461120"]},"years":[1980,1971]},{"institution":{"id":"https://openalex.org/I161318765","ror":"https://ror.org/046rm7j60","display_name":"University of California, Los Angeles","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I4403928387","ror":"https://ror.org/02h8tym68","display_name":"National College, Trichy","country_code":"IN","type":"education","lineage":["https://openalex.org/I4403928387"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I86501945","ror":"https://ror.org/01sbq1a82","display_name":"University of Delaware","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]},"years":[1972]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T13806","display_name":"Mathematical and Computational Methods","count":14,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"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","count":11,"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"}},{"id":"https://openalex.org/T10130","display_name":"Mathematics Education and Teaching Techniques","count":8,"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"}},{"id":"https://openalex.org/T10884","display_name":"Holomorphic and Operator Theory","count":5,"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/T11822","display_name":"Analytic and geometric function theory","count":5,"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/T14079","display_name":"Mathematics Education and Programs","value":6.28e-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"}},{"id":"https://openalex.org/T11822","display_name":"Analytic and geometric function theory","value":4.46e-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/T13806","display_name":"Mathematical and Computational Methods","value":4.02e-05,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"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/T10884","display_name":"Holomorphic and Operator Theory","value":2.91e-05,"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/T12062","display_name":"Approximation Theory and Sequence Spaces","value":2.86e-05,"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"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.9258097410202026},{"id":"136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","score":0.6320676803588867},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.49828433990478516},{"id":"202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","score":0.48115456104278564},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.39372485876083374}],"counts_by_year":[{"year":1963,"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":3,"oa_works_count":3,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["M. R. Ziegler","Michael R. Ziegler","Michael Ziegler","Ziegler, Michael R."],"block_key":"m ziegler","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113791807","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}