PositivityPub Date : 2023-07-12DOI: 10.1007/s11117-023-01000-9
A. Seeger, David Sossa
{"title":"Singular value problems under nonnegativity constraints","authors":"A. Seeger, David Sossa","doi":"10.1007/s11117-023-01000-9","DOIUrl":"https://doi.org/10.1007/s11117-023-01000-9","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83846492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-06-15DOI: 10.1007/s11117-023-00995-5
El Aloui Abdennabi, Bouras Khalid
{"title":"On the domination problem of positive Null almost L-weakly compact operators on Banach lattices","authors":"El Aloui Abdennabi, Bouras Khalid","doi":"10.1007/s11117-023-00995-5","DOIUrl":"https://doi.org/10.1007/s11117-023-00995-5","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85218867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-05-25DOI: 10.1007/s11117-023-00994-6
E. Berezhnoi
{"title":"Multipliers for global Morrey spaces","authors":"E. Berezhnoi","doi":"10.1007/s11117-023-00994-6","DOIUrl":"https://doi.org/10.1007/s11117-023-00994-6","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82165430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-05-22DOI: 10.1007/s11117-023-00990-w
Ishan Garg, H. Agarwal
{"title":"Spectral behaviour of the matrix $$left[ f(1- p_ip_j)right] $$","authors":"Ishan Garg, H. Agarwal","doi":"10.1007/s11117-023-00990-w","DOIUrl":"https://doi.org/10.1007/s11117-023-00990-w","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73715010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-05-21DOI: 10.1007/s11117-023-00993-7
Ari-Pekka Perkkiö, Erick Treviño-Aguilar
{"title":"Convex duality for partial hedging of American options: continuous price processes","authors":"Ari-Pekka Perkkiö, Erick Treviño-Aguilar","doi":"10.1007/s11117-023-00993-7","DOIUrl":"https://doi.org/10.1007/s11117-023-00993-7","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82090225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-05-16DOI: 10.1007/s11117-023-00987-5
Suting Zheng, Dinghuai Wang, Xi Hu
{"title":"Sharp bounds for multilinear fractional integral operators on Morrey type spaces: the endpoint cases","authors":"Suting Zheng, Dinghuai Wang, Xi Hu","doi":"10.1007/s11117-023-00987-5","DOIUrl":"https://doi.org/10.1007/s11117-023-00987-5","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85433504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PositivityPub Date : 2023-05-16DOI: 10.1007/s11117-023-00989-3
D. Baramidze, L. Persson, G. Tephnadze
{"title":"Some new $$(H_p-L_p)$$ type inequalities for weighted maximal operators of partial sums of Walsh–Fourier series","authors":"D. Baramidze, L. Persson, G. Tephnadze","doi":"10.1007/s11117-023-00989-3","DOIUrl":"https://doi.org/10.1007/s11117-023-00989-3","url":null,"abstract":"","PeriodicalId":54596,"journal":{"name":"Positivity","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79431393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}