{"id":"https://openalex.org/W7201860290","doi":"https://doi.org/10.15407/mag22.03.02","title":"On the Blow-up of Coupled Wave Equations with Time-Varying Delay and Logarithmic Nonlinearity","display_name":"On the Blow-up of Coupled Wave Equations with Time-Varying Delay and Logarithmic Nonlinearity","publication_year":2026,"publication_date":"2026-06-25","ids":{"openalex":"https://openalex.org/W7201860290","doi":"https://doi.org/10.15407/mag22.03.02"},"language":"en","primary_location":{"id":"doi:10.15407/mag22.03.02","doi":"https://doi.org/10.15407/mag22.03.02","is_oa":true,"landing_page_url":"https://doi.org/10.15407/mag22.03.02","pdf_url":null,"source":{"id":"https://openalex.org/S954641280","display_name":"Zurnal matematiceskoj fiziki analiza geometrii","issn_l":"1812-9471","issn":["1812-9471","1817-5805"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3","vabb-shw"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Zurnal matematiceskoj fiziki, analiza, geometrii","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.15407/mag22.03.02","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085915151","display_name":"Mohamed Houasni","orcid":"https://orcid.org/0000-0002-1966-9201","observed_orcids":["https://orcid.org/0000-0002-1966-9201"]},"institutions":[{"id":"https://openalex.org/I4210160578","display_name":"Universit\u00e9 Djilali Bounaama Khemis Miliana","ror":"https://ror.org/05n2gzs35","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210160578"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Mohamed Houasni","raw_affiliation_strings":["Department of Mathematics, Faculty of matter sciences and computer science, University of Khemis Miliana, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of matter sciences and computer science, University of Khemis Miliana, Algeria","institution_ids":["https://openalex.org/I4210160578"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004785950","display_name":"Abdelkarim Kelleche","orcid":"https://orcid.org/0000-0002-8364-4041","observed_orcids":["https://orcid.org/0000-0002-8364-4041","https://orcid.org/0000-0003-4293-2378"]},"institutions":[{"id":"https://openalex.org/I4210160578","display_name":"Universit\u00e9 Djilali Bounaama Khemis Miliana","ror":"https://ror.org/05n2gzs35","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210160578"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Abdelkarim Kelleche","raw_affiliation_strings":["Department of Mathematics, Faculty of matter sciences and computer science, University of Khemis Miliana, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of matter sciences and computer science, University of Khemis Miliana, Algeria","institution_ids":["https://openalex.org/I4210160578"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210160578"],"apc_list":null,"apc_paid":null,"fwci":1.6164,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.77710441,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"22","issue":"3","first_page":"244","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11110","display_name":"Stability and Controllability of Differential Equations","score":0.9301999807357788,"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"}},"topics":[{"id":"https://openalex.org/T11110","display_name":"Stability and Controllability of Differential Equations","score":0.9301999807357788,"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/T11654","display_name":"Advanced Mathematical Physics Problems","score":0.03550000116229057,"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/T10541","display_name":"Nonlinear Differential Equations Analysis","score":0.013299999758601189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/blow-up","display_name":"blow-up","score":0.8460000157356262},{"id":"https://openalex.org/keywords/coupled-wave-equations","display_name":"coupled wave equations","score":0.9860000014305115},{"id":"https://openalex.org/keywords/time-varying-delays","display_name":"time-varying delays","score":0.9980000257492065},{"id":"https://openalex.org/keywords/logarithmic-nonlinearity","display_name":"logarithmic nonlinearity","score":0.9929999709129333},{"id":"https://openalex.org/keywords/nonlinear-wave-equations","display_name":"nonlinear wave equations","score":0.597000002861023},{"id":"https://openalex.org/keywords/existence-of-solutions","display_name":"existence of solutions","score":0.5149999856948853}],"concepts":[{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5444999933242798},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5422000288963318},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.4171000123023987},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.3725000023841858},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3497999906539917},{"id":"https://openalex.org/C59696629","wikidata":"https://www.wikidata.org/wiki/Q193846","display_name":"Wave equation","level":2,"score":0.3443000018596649},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.3400999903678894},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.33980000019073486},{"id":"https://openalex.org/C66908091","wikidata":"https://www.wikidata.org/wiki/Q1127660","display_name":"Damped wave","level":3,"score":0.33309999108314514},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.3280999958515167},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.29330000281333923},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.29170000553131104},{"id":"https://openalex.org/C44886760","wikidata":"https://www.wikidata.org/wiki/Q1758425","display_name":"Wave propagation","level":2,"score":0.2808000147342682},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.2761000096797943},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.275299996137619},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.25949999690055847},{"id":"https://openalex.org/C55649039","wikidata":"https://www.wikidata.org/wiki/Q902618","display_name":"Floquet theory","level":3,"score":0.2581000030040741},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.2535000145435333}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.15407/mag22.03.02","doi":"https://doi.org/10.15407/mag22.03.02","is_oa":true,"landing_page_url":"https://doi.org/10.15407/mag22.03.02","pdf_url":null,"source":{"id":"https://openalex.org/S954641280","display_name":"Zurnal matematiceskoj fiziki analiza geometrii","issn_l":"1812-9471","issn":["1812-9471","1817-5805"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3","vabb-shw"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Zurnal matematiceskoj fiziki, analiza, geometrii","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.15407/mag22.03.02","doi":"https://doi.org/10.15407/mag22.03.02","is_oa":true,"landing_page_url":"https://doi.org/10.15407/mag22.03.02","pdf_url":null,"source":{"id":"https://openalex.org/S954641280","display_name":"Zurnal matematiceskoj fiziki analiza geometrii","issn_l":"1812-9471","issn":["1812-9471","1817-5805"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3","vabb-shw"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Zurnal matematiceskoj fiziki, analiza, geometrii","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W46107862","https://openalex.org/W1527296550","https://openalex.org/W2000107884","https://openalex.org/W2312961750","https://openalex.org/W2333042891","https://openalex.org/W2552720352","https://openalex.org/W2886063416","https://openalex.org/W3115326353","https://openalex.org/W3181694520","https://openalex.org/W4362581817","https://openalex.org/W4401835771","https://openalex.org/W4411077205","https://openalex.org/W4413526283"],"related_works":["https://openalex.org/W2090109452","https://openalex.org/W2043640155","https://openalex.org/W2054885076","https://openalex.org/W2921667571","https://openalex.org/W2049398875","https://openalex.org/W4416193584","https://openalex.org/W2551012468","https://openalex.org/W7128292814","https://openalex.org/W3026930970","https://openalex.org/W2073591338"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-08-08T00:00:00"}