{"title":"On rough continuity and rough $mathcal{I}$-continuity of real functions","authors":"Amar Kumar Banerjee, Anirban Paul","doi":"10.30755/nsjom.15197","DOIUrl":"https://doi.org/10.30755/nsjom.15197","url":null,"abstract":"","PeriodicalId":38723,"journal":{"name":"Novi Sad Journal of Mathematics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135769689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fractional-order $mathcal{SEIR}$ epidemic model with time delay and saturated incidence rate","authors":"Khalid Hilal, Fatima Cherkaoui, Abdelaziz Qaffou, Shahram Rezapour, Mohammad Esmael Samei","doi":"10.30755/nsjom.15832","DOIUrl":"https://doi.org/10.30755/nsjom.15832","url":null,"abstract":"","PeriodicalId":38723,"journal":{"name":"Novi Sad Journal of Mathematics","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135770944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
AliReza Bagheri Salec, Haneen Ridha Jameel Allami, Seyyed Mohammad Tabatabaie
{"title":"Haar meager and Haar null subsets of hypergroups","authors":"AliReza Bagheri Salec, Haneen Ridha Jameel Allami, Seyyed Mohammad Tabatabaie","doi":"10.30755/nsjom.15541","DOIUrl":"https://doi.org/10.30755/nsjom.15541","url":null,"abstract":"","PeriodicalId":38723,"journal":{"name":"Novi Sad Journal of Mathematics","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135769846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ong Van Tuyen, Huynh Thi Oanh Trieu, Luong Quoc Tuyen
{"title":"Starcompact and related spaces on Pixley-Roy hyperspaces","authors":"Ong Van Tuyen, Huynh Thi Oanh Trieu, Luong Quoc Tuyen","doi":"10.30755/nsjom.16096","DOIUrl":"https://doi.org/10.30755/nsjom.16096","url":null,"abstract":". In this paper, we study the relation between a space X satisfying certain generalized metric properties and the Pixley-Roy hy-perspace PR [ X ] over X satisfying the same properties. We prove that if PR [ X ] is starcompact (resp., star-Lindel¨of), then X is compact (resp., Lindel¨of). However, there exists a compact space X such that | X | = ω , but PR n [ X ] for all n ∈ N and PR [ X ] are not starcompact spaces. More-over, we show that PR [ X ] is strongly starcompact (resp., strongly star-Lindel¨of) if and only if X is finite (resp., countable). By these results, we obtain that PR [ X ] is set strongly starcompact (resp., cosmic, set strongly star-Lindel¨of) if and only if X is finite (resp., countable).","PeriodicalId":38723,"journal":{"name":"Novi Sad Journal of Mathematics","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135769688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"$A$-numerical radius inequalities via Dragomir inequalities\u0000and related results","authors":"Messaoud Guesba","doi":"10.30755/nsjom.15867","DOIUrl":"https://doi.org/10.30755/nsjom.15867","url":null,"abstract":"","PeriodicalId":38723,"journal":{"name":"Novi Sad Journal of Mathematics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41599019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}