Pub Date : 2021-06-02DOI: 10.1007/s00022-022-00628-4
J. Dubois, U. Hertrich-Jeromin, G. Szewieczek
{"title":"Notes on flat fronts in hyperbolic space","authors":"J. Dubois, U. Hertrich-Jeromin, G. Szewieczek","doi":"10.1007/s00022-022-00628-4","DOIUrl":"https://doi.org/10.1007/s00022-022-00628-4","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44766016","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}
Pub Date : 2021-05-27DOI: 10.1007/s00022-022-00647-1
Jialong Deng
{"title":"Sphere theorems with and without smoothing","authors":"Jialong Deng","doi":"10.1007/s00022-022-00647-1","DOIUrl":"https://doi.org/10.1007/s00022-022-00647-1","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44480739","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}
Pub Date : 2021-05-18DOI: 10.1007/s00022-021-00584-5
J. Jerónimo-Castro
{"title":"Some characterizations of the Euclidean ball","authors":"J. Jerónimo-Castro","doi":"10.1007/s00022-021-00584-5","DOIUrl":"https://doi.org/10.1007/s00022-021-00584-5","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00584-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42779927","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}
Pub Date : 2021-05-13DOI: 10.1007/s00022-021-00597-0
Q. H. Tran
{"title":"A family of weighted Erdös–Mordell inequality and applications","authors":"Q. H. Tran","doi":"10.1007/s00022-021-00597-0","DOIUrl":"https://doi.org/10.1007/s00022-021-00597-0","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45828077","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}
Pub Date : 2021-05-10DOI: 10.1007/s00022-021-00582-7
Masaya Kawamura
{"title":"On the conformally balanced condition on almost Hermitian manifolds and the quasi-Kählerity","authors":"Masaya Kawamura","doi":"10.1007/s00022-021-00582-7","DOIUrl":"https://doi.org/10.1007/s00022-021-00582-7","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00582-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44576006","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}
Pub Date : 2021-05-07DOI: 10.1007/s00022-021-00606-2
H. Stachel
{"title":"The geometry of billiards in ellipses and their poncelet grids","authors":"H. Stachel","doi":"10.1007/s00022-021-00606-2","DOIUrl":"https://doi.org/10.1007/s00022-021-00606-2","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44475601","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}
Pub Date : 2021-05-04DOI: 10.1007/s00022-021-00583-6
N. Ando, Takumu Kihara
{"title":"Horizontality in the twistor spaces associated with vector bundles of rank 4 on tori","authors":"N. Ando, Takumu Kihara","doi":"10.1007/s00022-021-00583-6","DOIUrl":"https://doi.org/10.1007/s00022-021-00583-6","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00583-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46718494","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}
Pub Date : 2021-03-31DOI: 10.1007/s00022-021-00578-3
Detlef Gröger
{"title":"Some geometric characterizations of Pythagorean and Euclidean fields","authors":"Detlef Gröger","doi":"10.1007/s00022-021-00578-3","DOIUrl":"https://doi.org/10.1007/s00022-021-00578-3","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":"13 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00578-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52082093","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}
Pub Date : 2021-03-18DOI: 10.1007/s00022-021-00580-9
H. Manev
{"title":"Almost hypercomplex manifolds with Hermitian–Norden metrics and 4-dimensional indecomposable real Lie algebras depending on one parameter","authors":"H. Manev","doi":"10.1007/s00022-021-00580-9","DOIUrl":"https://doi.org/10.1007/s00022-021-00580-9","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":"112 1","pages":"1-14"},"PeriodicalIF":0.6,"publicationDate":"2021-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00580-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52082140","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}
Pub Date : 2021-03-04DOI: 10.1007/s00022-021-00579-2
M. Katz, S. Sabourau
{"title":"A Pu–Bonnesen inequality","authors":"M. Katz, S. Sabourau","doi":"10.1007/s00022-021-00579-2","DOIUrl":"https://doi.org/10.1007/s00022-021-00579-2","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00579-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43162089","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}
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