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Methods of Functional Analysis and Topology最新文献

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Uniform and mean ergodic theorems for C 0 -semigroups c0 -半群的一致和平均遍历定理
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_2.2021.02
F. Barki, A. Tajmouati, A. El Bakkali
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引用次数: 0
On one problem of Yu. M. Berezansky 关于禹的一个问题。m . Berezansky
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_1.2021.04
Yu. V. Bogdanskii
{"title":"On one problem of Yu. M. Berezansky","authors":"Yu. V. Bogdanskii","doi":"10.31392/mfat-npu26_1.2021.04","DOIUrl":"https://doi.org/10.31392/mfat-npu26_1.2021.04","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691386","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}
引用次数: 0
n -power-Posinormal Operators n -幂次伪正规算子
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_1.2021.03
El Moctar Ould Beiba
{"title":"n -power-Posinormal Operators","authors":"El Moctar Ould Beiba","doi":"10.31392/mfat-npu26_1.2021.03","DOIUrl":"https://doi.org/10.31392/mfat-npu26_1.2021.03","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691832","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}
引用次数: 0
Absolutely summing polynomials 绝对是对多项式求和
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_1.2021.09
J. Ribeiro, Fabrício Santos
{"title":"Absolutely summing polynomials","authors":"J. Ribeiro, Fabrício Santos","doi":"10.31392/mfat-npu26_1.2021.09","DOIUrl":"https://doi.org/10.31392/mfat-npu26_1.2021.09","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691842","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}
引用次数: 7
Unitary representations of Poincaré group P ( 1 , n ) in S O ( 1 , n ) -basis S O (1, n)基中poincar<s:1>群P (1, n)的酉表示
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_3.2021.06
O. Ostrovska, I. Yuryk
{"title":"Unitary representations of Poincaré group P ( 1 , n ) in S O ( 1 , n ) -basis","authors":"O. Ostrovska, I. Yuryk","doi":"10.31392/mfat-npu26_3.2021.06","DOIUrl":"https://doi.org/10.31392/mfat-npu26_3.2021.06","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691931","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}
引用次数: 0
Results on Matrix Transformation of Complex Uncertain Sequences via Convergence in Almost Surely 复不确定序列的矩阵变换在几乎确定下收敛的结果
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_4.2021.04
Birojit Das, B. Tripathy, P. Debnath
{"title":"Results on Matrix Transformation of Complex Uncertain Sequences via Convergence in Almost Surely","authors":"Birojit Das, B. Tripathy, P. Debnath","doi":"10.31392/mfat-npu26_4.2021.04","DOIUrl":"https://doi.org/10.31392/mfat-npu26_4.2021.04","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69692373","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}
引用次数: 1
Representations of closed quadratic forms associated with Stieltjes and inverse Stieltjes holomorphic families of linear relations 线性关系的Stieltjes全纯族与逆Stieltjes全纯族相关的闭二次型表示
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_2.2021.01
Yu. M. Arlinski, S. Hassi
{"title":"Representations of closed quadratic forms associated with Stieltjes and inverse Stieltjes holomorphic families of linear relations","authors":"Yu. M. Arlinski, S. Hassi","doi":"10.31392/mfat-npu26_2.2021.01","DOIUrl":"https://doi.org/10.31392/mfat-npu26_2.2021.01","url":null,"abstract":"In this paper holomorphic families of linear relations that belong to the Stieltjes or inverse Stieltjes class are studied. It is shown that in their domain of holomorphy BbbC setminus BbbR + the values of Stieltjes and inverse Stieltjes families are, up to a rotation, maximal sectorial. This leads to a study of the associated closed sesquilinear forms and their representations. In particular, it is shown that the Stieltjes and inverse Stieltjes holomorphic families of linear relations are of type (B) in the sense of Kato. These results are proved by using linear fractional transforms which connect these families to holomorphic functions that belong to a combined Nevanlinna-Schur class and a key tool then relies on a specific structure of contractive operators. Розглядаються голоморфнi сiм’ї лiнiйних вiдношень, якi належать до класу Стiлтьєса та оберненого класу Стiлтьєса. Показано, що в їхнiй областi голоморфностi BbbC setminus BbbR + значення цих сiмей є, з точнiстю до обертання, максимальними секторiальними. Iз цим пов’язане дослiдження вiдповiдних замкнених пiвторалiнiйних форм та їхнiх представлень. Зокрема, показано, що стiлтьєсiвськi та оберненi стiлтьєсiвськi голоморфнi сiм’ї лiнiйних вiдношень належать до типу (В) у сенсi Като. Доведення базується на використаннi дробово-лiнiйних перетворень, якi переводять розглядуванi сiм’ї в голоморфнi функцiї класу Неванлiнни-Шура, псля чого використовується спецiальнi структури операторiв стиску.","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691547","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}
引用次数: 0
Geometric Regularity Results on B k α , β -Manifolds, I: Affine Connections B k α， β -流形的几何正则性结果，I:仿射连接
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_3.2021.05
Y. Martins, R. J. Biezuner
{"title":"Geometric Regularity Results on B k α , β -Manifolds, I: Affine Connections","authors":"Y. Martins, R. J. Biezuner","doi":"10.31392/mfat-npu26_3.2021.05","DOIUrl":"https://doi.org/10.31392/mfat-npu26_3.2021.05","url":null,"abstract":"In this paper we consider the existence problem of affine connections on C-manifolds M whose coefficients are as regular as one needs. We show that if M admits a suitable subatlas, meaning a B α,β-structure for a certain presheaf of Fréchet spaces B and for certain functions α and β, then the existence of such regular connections can be established. It is also proved that if the B α,β-structure is actually nice (in the sense of [1]), then a multiplicity result can also be obtained by means of Thom’s transversality arguments.","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69691883","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}
引用次数: 0
Corrigendum to "On Fixed Point Results for a Class of Generalized Mean Nonexpansive Mappings" “关于一类广义平均非膨胀映射的不动点结果”的勘误
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_2.2021.08
M. Ram
{"title":"Corrigendum to \"On Fixed Point Results for a Class of Generalized Mean Nonexpansive Mappings\"","authors":"M. Ram","doi":"10.31392/mfat-npu26_2.2021.08","DOIUrl":"https://doi.org/10.31392/mfat-npu26_2.2021.08","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69692026","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}
引用次数: 0
On the number of nodal domains on a rectangle with a slit 在有狭缝的矩形上的节点域的数目
IF 0.4
Methods of Functional Analysis and Topology Pub Date : 2021-01-01 DOI: 10.31392/mfat-npu26_4.2021.08
J. Kerner
{"title":"On the number of nodal domains on a rectangle with a slit","authors":"J. Kerner","doi":"10.31392/mfat-npu26_4.2021.08","DOIUrl":"https://doi.org/10.31392/mfat-npu26_4.2021.08","url":null,"abstract":"","PeriodicalId":44325,"journal":{"name":"Methods of Functional Analysis and Topology","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69692723","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}
引用次数: 0
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