{"title":"A remark on convex functions and isometry groups of Lorentzian manifolds","authors":"Reza Mirzaie","doi":"10.5486/pmd.2023.9499","DOIUrl":"https://doi.org/10.5486/pmd.2023.9499","url":null,"abstract":"","PeriodicalId":54530,"journal":{"name":"Publicationes Mathematicae-Debrecen","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136198600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multiplicative closure of generalized invertible elements in a ring","authors":"Zhaoyuan Qin, L. Shen","doi":"10.5486/pmd.2023.9581","DOIUrl":"https://doi.org/10.5486/pmd.2023.9581","url":null,"abstract":"","PeriodicalId":54530,"journal":{"name":"Publicationes Mathematicae-Debrecen","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75607913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the equation $F(n^3)=F(n^3-1)+D$ and some conjectures","authors":"Imre K'atai, B. Khanh, B. Phong","doi":"10.5486/pmd.2023.9656","DOIUrl":"https://doi.org/10.5486/pmd.2023.9656","url":null,"abstract":"","PeriodicalId":54530,"journal":{"name":"Publicationes Mathematicae-Debrecen","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86833070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Codazzi type $h$-operators on real hypersurfaces in nonflat complex space forms","authors":"Yaning Wang, Yingdong Zhang","doi":"10.5486/pmd.2023.9541","DOIUrl":"https://doi.org/10.5486/pmd.2023.9541","url":null,"abstract":"","PeriodicalId":54530,"journal":{"name":"Publicationes Mathematicae-Debrecen","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74901798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the digital Hopf images and monoid isomorphisms","authors":"Dae-Woong Lee","doi":"10.5486/pmd.2023.9357","DOIUrl":"https://doi.org/10.5486/pmd.2023.9357","url":null,"abstract":"","PeriodicalId":54530,"journal":{"name":"Publicationes Mathematicae-Debrecen","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88149672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}