Pub Date : 2021-09-08DOI: 10.1007/s00022-021-00595-2
D. Veljan
{"title":"Improved Euler’s inequalities in plane and space","authors":"D. Veljan","doi":"10.1007/s00022-021-00595-2","DOIUrl":"https://doi.org/10.1007/s00022-021-00595-2","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46909608","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 : 2021-09-08DOI: 10.1007/s00022-021-00607-1
V. Alexandrov
{"title":"A note on the first-order flexes of smooth surfaces which are tangent to the set of all nonrigid surfaces","authors":"V. Alexandrov","doi":"10.1007/s00022-021-00607-1","DOIUrl":"https://doi.org/10.1007/s00022-021-00607-1","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44383979","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 : 2021-08-11DOI: 10.1007/s00022-022-00629-3
Ronaldo Garcia, B. Odehnal, D. Reznik
{"title":"Loci of Poncelet triangles in the general closure case","authors":"Ronaldo Garcia, B. Odehnal, D. Reznik","doi":"10.1007/s00022-022-00629-3","DOIUrl":"https://doi.org/10.1007/s00022-022-00629-3","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43002154","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 : 2021-07-15DOI: 10.1007/s00022-021-00593-4
E. Nešović, U. Öztürk, E. Öztürk
{"title":"Some characterizations of pseudo null isophotic curves in Minkowski 3-space","authors":"E. Nešović, U. Öztürk, E. Öztürk","doi":"10.1007/s00022-021-00593-4","DOIUrl":"https://doi.org/10.1007/s00022-021-00593-4","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00593-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47554806","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 : 2021-06-23DOI: 10.1007/s00022-022-00642-6
L. Fox
{"title":"Geodesic bicombings on some hyperspaces","authors":"L. Fox","doi":"10.1007/s00022-022-00642-6","DOIUrl":"https://doi.org/10.1007/s00022-022-00642-6","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43332346","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 : 2021-06-23DOI: 10.1007/s00022-021-00590-7
M. Choudhary, A. Blaga
{"title":"Generalized Wintgen inequality for slant submanifolds in metallic Riemannian space forms","authors":"M. Choudhary, A. Blaga","doi":"10.1007/s00022-021-00590-7","DOIUrl":"https://doi.org/10.1007/s00022-021-00590-7","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00590-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45758040","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 : 2021-06-16DOI: 10.1007/S00022-021-00581-8
H. Havlicek, A. Kreuzer
{"title":"Martin Barner (1921–2020)","authors":"H. Havlicek, A. Kreuzer","doi":"10.1007/S00022-021-00581-8","DOIUrl":"https://doi.org/10.1007/S00022-021-00581-8","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/S00022-021-00581-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45137973","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 : 2021-06-11DOI: 10.1007/s00022-021-00585-4
M. Kimura, S. Maeda, H. Tanabe
{"title":"Sectional curvatures of homogeneous real hypersurfaces of types (A) and (B) in a complex projective space","authors":"M. Kimura, S. Maeda, H. Tanabe","doi":"10.1007/s00022-021-00585-4","DOIUrl":"https://doi.org/10.1007/s00022-021-00585-4","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00585-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43345884","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 : 2021-06-06DOI: 10.1007/s00022-021-00588-1
K. Prażmowski
{"title":"Geometry on the variety of subspaces with positive definite form: geometry of the Grassmann spaces over generalized hyperbolic spaces","authors":"K. Prażmowski","doi":"10.1007/s00022-021-00588-1","DOIUrl":"https://doi.org/10.1007/s00022-021-00588-1","url":null,"abstract":"","PeriodicalId":15854,"journal":{"name":"Journal of Geometry","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s00022-021-00588-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48392944","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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