{"id":"https://openalex.org/A5018329435","orcid":"https://orcid.org/0000-0002-3042-9719","observed_orcids":["https://orcid.org/0000-0002-3042-9719"],"display_name":"Omar Mellah","raw_author_names":["Mellah, Omar","O. Mellah","Omar Mellah","Omar Melleh"],"full_name":"Mellah, Omar","works_count":15,"cited_by_count":194,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5018329435","orcid":"https://orcid.org/0000-0002-3042-9719","observed_orcids":["https://orcid.org/0000-0002-3042-9719"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1294671590","ror":"https://ror.org/02feahw73","display_name":"Centre National de la Recherche Scientifique","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},"years":[2015,2012]},{"institution":{"id":"https://openalex.org/I4210105181","ror":"https://ror.org/01k1v7590","display_name":"Laboratoire de Math\u00e9matiques Rapha\u00ebl Salem","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I4210105181","https://openalex.org/I4210105918","https://openalex.org/I4210141950","https://openalex.org/I62396329"]},"years":[2015,2012]},{"institution":{"id":"https://openalex.org/I4210159538","ror":"https://ror.org/050ktqq97","display_name":"Mouloud Mammeri University of Tizi-Ouzou","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210159538"]},"years":[2026,2025,2022,2020,2018,2017,2015,2012]},{"institution":{"id":"https://openalex.org/I62396329","ror":"https://ror.org/03nhjew95","display_name":"Universit\u00e9 de Rouen Normandie","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210105918","https://openalex.org/I62396329"]},"years":[2012]}],"last_known_institutions":[{"id":"https://openalex.org/I4210159538","ror":"https://ror.org/050ktqq97","display_name":"Mouloud Mammeri University of Tizi-Ouzou","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210159538"]}],"topics":[{"id":"https://openalex.org/T10541","display_name":"Nonlinear Differential Equations Analysis","count":15,"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/T10588","display_name":"Mathematical Dynamics and Fractals","count":7,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T11110","display_name":"Stability and Controllability of Differential Equations","count":7,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12589","display_name":"Differential Equations and Boundary Problems","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/T10067","display_name":"Stochastic processes and financial applications","count":3,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"Finance"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10541","display_name":"Nonlinear Differential Equations Analysis","value":4.63e-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/T11110","display_name":"Stability and Controllability of Differential Equations","value":4.29e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12135","display_name":"Fuzzy Systems and Optimization","value":2.13e-05,"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"}},{"id":"https://openalex.org/T10588","display_name":"Mathematical Dynamics and Fractals","value":2.04e-05,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12589","display_name":"Differential Equations and Boundary Problems","value":1.74e-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":0.9262736439704895},{"id":"51955184","wikidata":"https://www.wikidata.org/wiki/Q1545585","display_name":"Stochastic differential equation","score":0.6884585618972778},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.6077343225479126},{"id":"202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","score":0.5047000050544739},{"id":"28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","score":0.4449959993362427}],"counts_by_year":[{"year":2012,"works_count":3,"oa_works_count":2,"cited_by_count":2},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":8},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":28},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":24},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2022,"works_count":2,"oa_works_count":1,"cited_by_count":19},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":15},{"year":2026,"works_count":1,"oa_works_count":0,"cited_by_count":15}],"display_name_alternatives":["Mellah, Omar","O. Mellah","Omar Mellah","Omar Melleh"],"block_key":"o mellah","works_api_url":"https://api.openalex.org/works?filter=author.id:A5018329435","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}
