{"id":"https://openalex.org/A5075340652","orcid":null,"observed_orcids":[],"display_name":"Matthew Friedrichsen","raw_author_names":["Friedrichsen, Matthew","Matthew Friedrichsen"],"full_name":"Friedrichsen, Matthew","works_count":5,"cited_by_count":13,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5075340652","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I121934306","ror":"https://ror.org/05wvpxv85","display_name":"Tufts University","country_code":"US","type":"education","lineage":["https://openalex.org/I121934306"]},"years":[2020,2018]},{"institution":{"id":"https://openalex.org/I192578771","ror":"https://ror.org/00mp6e841","display_name":"Rose\u2013Hulman Institute of Technology","country_code":"US","type":"education","lineage":["https://openalex.org/I192578771"]},"years":[2010]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11166","display_name":"Analytic Number Theory Research","count":5,"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/T11693","display_name":"Cryptography and Residue Arithmetic","count":3,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10061","display_name":"Algebraic Geometry and Number Theory","count":2,"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/T11130","display_name":"Coding theory and cryptography","count":2,"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"}},{"id":"https://openalex.org/T11680","display_name":"Advanced Algebra and Geometry","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T11693","display_name":"Cryptography and Residue Arithmetic","value":2.42e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11166","display_name":"Analytic Number Theory Research","value":2.21e-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/T11130","display_name":"Coding theory and cryptography","value":8.8e-06,"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"}},{"id":"https://openalex.org/T11680","display_name":"Advanced Algebra and Geometry","value":7.8e-06,"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/T10061","display_name":"Algebraic Geometry and Number Theory","value":5.2e-06,"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"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.7415362000465393},{"id":"118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","score":0.47479599714279175},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.4257707893848419},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.34988170862197876},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.32201942801475525}],"counts_by_year":[{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"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":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Friedrichsen, Matthew","Matthew Friedrichsen"],"block_key":"m friedrichsen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5075340652","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}