{"id":"https://openalex.org/A5019376307","orcid":"https://orcid.org/0000-0002-0455-2617","observed_orcids":["https://orcid.org/0000-0002-0455-2617"],"display_name":"Hassane Khellaf","raw_author_names":["H. Khellaf","Hassane Khellaf","Khellaf, Hassane"],"full_name":"Khellaf, Hassane","works_count":12,"cited_by_count":46,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":4,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5019376307","orcid":"https://orcid.org/0000-0002-0455-2617","observed_orcids":["https://orcid.org/0000-0002-0455-2617"]},"affiliations":[{"institution":{"id":"https://openalex.org/I125485651","ror":"https://ror.org/017wv6808","display_name":"University Fr\u00e8res Mentouri Constantine 1","country_code":"DZ","type":"education","lineage":["https://openalex.org/I125485651"]},"years":[2025,2019,2015,2011]}],"last_known_institutions":[{"id":"https://openalex.org/I125485651","ror":"https://ror.org/017wv6808","display_name":"University Fr\u00e8res Mentouri Constantine 1","country_code":"DZ","type":"education","lineage":["https://openalex.org/I125485651"]}],"topics":[{"id":"https://openalex.org/T10541","display_name":"Nonlinear Differential Equations Analysis","count":11,"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/T11564","display_name":"Mathematical Inequalities and Applications","count":11,"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/T12589","display_name":"Differential Equations and Boundary Problems","count":9,"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/T10288","display_name":"Fractional Differential Equations Solutions","count":2,"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/T12508","display_name":"Functional Equations Stability Results","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T11564","display_name":"Mathematical Inequalities and Applications","value":8.22e-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/T12508","display_name":"Functional Equations Stability Results","value":5.14e-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/T10541","display_name":"Nonlinear Differential Equations Analysis","value":3.4e-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/T12589","display_name":"Differential Equations and Boundary Problems","value":3.14e-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/T10288","display_name":"Fractional Differential Equations Solutions","value":1.4e-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"}}],"x_concepts":[{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.9445651769638062},{"id":"45555294","wikidata":"https://www.wikidata.org/wiki/Q28113351","display_name":"Inequality","score":0.8074181079864502},{"id":"28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","score":0.5140839219093323},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.4616999924182892},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.16991156339645386}],"counts_by_year":[{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":2},{"year":2015,"works_count":2,"oa_works_count":1,"cited_by_count":1},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":2}],"display_name_alternatives":["H. Khellaf","Hassane Khellaf","Khellaf, Hassane"],"block_key":"h khellaf","works_api_url":"https://api.openalex.org/works?filter=author.id:A5019376307","updated_date":"2026-11-01T11:00:13","created_date":"2016-06-24T00:00:00"}
