{"id":"https://openalex.org/A5111421709","orcid":null,"observed_orcids":[],"display_name":"R. Henrion","raw_author_names":["Henrion, R.","R. Henrion","Ren Henrion","Ren&#x000E9; Henrion","Ren\ufffd Henrion"],"full_name":"Ren&#x000E9; Henrion","works_count":53,"cited_by_count":1201,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":22,"i10_index":27},"ids":{"openalex":"https://openalex.org/A5111421709","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I39343248","ror":"https://ror.org/01hcx6992","display_name":"Humboldt-Universit\u00e4t zu Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]},"years":[1997,1995,1994,1993,1992,1991,1990,1989,1988,1987]},{"institution":{"id":"https://openalex.org/I4210092021","ror":"https://ror.org/00h1x4t21","display_name":"Weierstrass Institute for Applied Analysis and Stochastics","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I4210092021"]},"years":[2020,2018,2017,2015,2014,2012,2011,2010,2008,2007,2005,2004,2003,2002,1998,1997]}],"last_known_institutions":[{"id":"https://openalex.org/I4210092021","ror":"https://ror.org/00h1x4t21","display_name":"Weierstrass Institute for Applied Analysis and Stochastics","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I4210092021"]}],"topics":[{"id":"https://openalex.org/T10545","display_name":"Optimization and Variational Analysis","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/T10963","display_name":"Advanced Optimization Algorithms Research","count":17,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T11413","display_name":"Risk and Portfolio Optimization","count":16,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","count":9,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13141","display_name":"Statistical Methods and Applications","count":9,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"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/T11413","display_name":"Risk and Portfolio Optimization","value":0.0001332,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10545","display_name":"Optimization and Variational Analysis","value":9.3e-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/T10963","display_name":"Advanced Optimization Algorithms Research","value":8.34e-05,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T12303","display_name":"Tensor decomposition and applications","value":7.94e-05,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational 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/T12809","display_name":"Contact Mechanics and Variational Inequalities","value":5.74e-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"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.882519543170929},{"id":"126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","score":0.7214586734771729},{"id":"105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","score":0.6969583034515381},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6307759881019592},{"id":"2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","score":0.2400934398174286}],"counts_by_year":[{"year":1987,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":65},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":45},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":44},{"year":2015,"works_count":4,"oa_works_count":0,"cited_by_count":53},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2017,"works_count":3,"oa_works_count":1,"cited_by_count":57},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":80},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":62},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":74},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":85},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":77},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":60},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":33}],"display_name_alternatives":["Henrion, R.","R. Henrion","Ren Henrion","Ren&#x000E9; Henrion","Ren\ufffd Henrion"],"block_key":"r henrion","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111421709","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}
