{"id":"https://openalex.org/A5060403157","orcid":"https://orcid.org/0009-0004-3759-2211","observed_orcids":["https://orcid.org/0009-0004-3759-2211"],"display_name":"Khellaf Ould Melha","raw_author_names":["K. O. Melha","Khellaf Ould Melha","Khellaf Ould\u00a0Melha","Ould Melha Khellaf"],"full_name":"Khellaf Ould Melha","works_count":14,"cited_by_count":19,"summary_stats":{"2yr_mean_citedness":1.1,"h_index":3,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5060403157","orcid":"https://orcid.org/0009-0004-3759-2211","observed_orcids":["https://orcid.org/0009-0004-3759-2211"]},"affiliations":[{"institution":{"id":"https://openalex.org/I152518017","ror":"https://ror.org/00965bg92","display_name":"University of Nis","country_code":"RS","type":"education","lineage":["https://openalex.org/I152518017"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4210164694","ror":"https://ror.org/04yymzm67","display_name":"Hassiba Benbouali University of Chlef","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210164694"]},"years":[2026,2025,2024,2023,2020,2018]}],"last_known_institutions":[{"id":"https://openalex.org/I4210164694","ror":"https://ror.org/04yymzm67","display_name":"Hassiba Benbouali University of Chlef","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210164694"]}],"topics":[{"id":"https://openalex.org/T10541","display_name":"Nonlinear Differential Equations Analysis","count":10,"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":9,"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/T12135","display_name":"Fuzzy Systems and Optimization","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"}},{"id":"https://openalex.org/T12589","display_name":"Differential Equations and Boundary Problems","count":3,"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/T10248","display_name":"Nonlinear Waves and Solitons","count":2,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12135","display_name":"Fuzzy Systems and Optimization","value":9.97e-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/T10288","display_name":"Fractional Differential Equations Solutions","value":6.58e-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/T10541","display_name":"Nonlinear Differential Equations Analysis","value":3.28e-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/T11564","display_name":"Mathematical Inequalities and Applications","value":1.61e-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":1.11e-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":0.9190999865531921},{"id":"112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","score":0.6486999988555908},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.6144999861717224},{"id":"28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","score":0.5868634581565857},{"id":"93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","score":0.4121983051300049}],"counts_by_year":[{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"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":1},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":1},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":7},{"year":2025,"works_count":4,"oa_works_count":4,"cited_by_count":1},{"year":2026,"works_count":4,"oa_works_count":3,"cited_by_count":6}],"display_name_alternatives":["K. O. Melha","Khellaf Ould Melha","Khellaf Ould\u00a0Melha","Ould Melha Khellaf"],"block_key":"k ould melha","works_api_url":"https://api.openalex.org/works?filter=author.id:A5060403157","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2019-01-25T00:00:00"}