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Zeitschrift fur Analysis und ihre Anwendungen最新文献

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Higher Order Approximations to the Navier–Stokes Flow in a Rough Boundary Domain 粗糙边界域内Navier-Stokes流的高阶近似
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2019-01-07 DOI: 10.4171/ZAA/1626
M. Starčević
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引用次数: 0
Detailed Proof of Classical Gagliardo–Nirenberg Interpolation Inequality with Historical Remarks 经典Gagliardo-Nirenberg插值不等式的详细证明及历史注释
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-12-11 DOI: 10.4171/ZAA/1681
A. Fiorenza, M. R. Formica, Tom'avs Roskovec, Filip Soudsk'y
{"title":"Detailed Proof of Classical Gagliardo–Nirenberg Interpolation Inequality with Historical Remarks","authors":"A. Fiorenza, M. R. Formica, Tom'avs Roskovec, Filip Soudsk'y","doi":"10.4171/ZAA/1681","DOIUrl":"https://doi.org/10.4171/ZAA/1681","url":null,"abstract":"A carefully written Nirenberg's proof of the well known Gagliardo-Nirenberg interpolation inequality for intermediate derivatives in $mathbb{R}^n$ seems, surprisingly, to be missing in literature. In our paper we shall first introduce this fundamental result and provide information about it's historical background. Afterwards we present a complete, student-friendly proof. In our proof we use the architecture of Nirenberg's proof, the proof is, however, much more detailed, containing also some differences. The reader can find a short comparison of differences and similarities in the final chapter.","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47439646","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}
引用次数: 28
A Note on Leighton's Variational Lemma for Fractional Laplace Equations 分数阶拉普拉斯方程的Leighton变分引理注释
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-10-18 DOI: 10.4171/ZAA/1632
J. Tyagi
{"title":"A Note on Leighton's Variational Lemma for Fractional Laplace Equations","authors":"J. Tyagi","doi":"10.4171/ZAA/1632","DOIUrl":"https://doi.org/10.4171/ZAA/1632","url":null,"abstract":"","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1632","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44283525","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}
引用次数: 2
Legendre Forms in Reflexive Banach Spaces 自反Banach空间中的Legendre形式
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-10-18 DOI: 10.4171/ZAA/1619
Felix Harder
{"title":"Legendre Forms in Reflexive Banach Spaces","authors":"Felix Harder","doi":"10.4171/ZAA/1619","DOIUrl":"https://doi.org/10.4171/ZAA/1619","url":null,"abstract":"Legendre forms are used in the literature for second-order sufficient optimality conditions of optimization problems in (reflexive) Banach spaces. We show that if a Legendre form exists on a reflexive Banach space, then this space is already isomorphic to a Hilbert space.","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1619","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43745658","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}
引用次数: 2
Well-posedness of the Keller–Segel System in Fourier–Besov–Morrey Spaces Fourier–Besov–Morrey空间中Keller–Segel系统的适定性
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-10-18 DOI: 10.4171/ZAA/1621
Xiaoli Chen
{"title":"Well-posedness of the Keller–Segel System in Fourier–Besov–Morrey Spaces","authors":"Xiaoli Chen","doi":"10.4171/ZAA/1621","DOIUrl":"https://doi.org/10.4171/ZAA/1621","url":null,"abstract":"","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1621","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49435315","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}
引用次数: 4
Positive Solution of Lighthill-Type Equations Lighthill型方程的正解
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-10-18 DOI: 10.4171/ZAA/1624
G. Vainikko
{"title":"Positive Solution of Lighthill-Type Equations","authors":"G. Vainikko","doi":"10.4171/ZAA/1624","DOIUrl":"https://doi.org/10.4171/ZAA/1624","url":null,"abstract":"","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1624","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46391676","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}
引用次数: 0
Singular Value Decomposition in Sobolev Spaces: Part I Sobolev空间中的奇异值分解（上）
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-09-28 DOI: 10.4171/ZAA/1663
Mazen Ali, A. Nouy
{"title":"Singular Value Decomposition in Sobolev Spaces: Part I","authors":"Mazen Ali, A. Nouy","doi":"10.4171/ZAA/1663","DOIUrl":"https://doi.org/10.4171/ZAA/1663","url":null,"abstract":"A well known result from functional analysis states that any compact operator between Hilbert spaces admits a singular value decomposition (SVD). This decomposition is a powerful tool that is the workhorse of many methods both in mathematics and applied fields. A prominent application in recent years is the approximation of high-dimensional functions in a low-rank format. This is based on the fact that, under certain conditions, a tensor can be identified with a compact operator and SVD applies to the latter. One key assumption for this application is that the tensor product norm is not weaker than the injective norm. This assumption is not fulfilled in Sobolev spaces, which are widely used in the theory and numerics of partial differential equations. Our goal is the analysis of the SVD in Sobolev spaces. This work consists of two parts. In this manuscript (part I), we address low-rank approximations and minimal subspaces in H1. We analyze the H1-error of the SVD performed in the ambient L2-space. In part II, we will address variants of the SVD in norms stronger than the L2-norm. We will provide a few numerical examples that support our theoretical findings.","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43477954","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}
引用次数: 3
Connections Between Optimal Constants in some Norm Inequalities for Differential Forms 微分形式范数不等式中最优常数之间的联系
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-08-20 DOI: 10.4171/ZAA/1656
S'andor Zsupp'an
{"title":"Connections Between Optimal Constants in some Norm Inequalities for Differential Forms","authors":"S'andor Zsupp'an","doi":"10.4171/ZAA/1656","DOIUrl":"https://doi.org/10.4171/ZAA/1656","url":null,"abstract":"We derive an improved Poincare inequality in connection with the Babuska-Aziz and Friedrichs-Velte inequalities for differential forms by estimating the domain specific optimal constants figuring in the respective inequalities with each other provided the domain supports the Hardy inequality. We also derive upper estimates for the constants of a star-shaped domain by generalizing the known Horgan-Payne type estimates for planar and spatial domains to higher dimensional ones.","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75676141","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}
引用次数: 0
On the Global Existence of Strong Solution to the 3D Damped Boussinesq Equations with Zero Thermal Diffusion 关于具有零热扩散的三维阻尼Boussinesq方程强解的全局存在性
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-07-04 DOI: 10.4171/ZAA/1617
Zhihong Wen, Z. Ye
{"title":"On the Global Existence of Strong Solution to the 3D Damped Boussinesq Equations with Zero Thermal Diffusion","authors":"Zhihong Wen, Z. Ye","doi":"10.4171/ZAA/1617","DOIUrl":"https://doi.org/10.4171/ZAA/1617","url":null,"abstract":"","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1617","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46935436","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}
引用次数: 3
Stabilization of a Drude/Vacuum Model Drude/真空模型的稳定性
IF 1.2 3区 数学
Zeitschrift fur Analysis und ihre Anwendungen Pub Date : 2018-07-04 DOI: 10.4171/ZAA/1618
S. Nicaise
{"title":"Stabilization of a Drude/Vacuum Model","authors":"S. Nicaise","doi":"10.4171/ZAA/1618","DOIUrl":"https://doi.org/10.4171/ZAA/1618","url":null,"abstract":"","PeriodicalId":54402,"journal":{"name":"Zeitschrift fur Analysis und ihre Anwendungen","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2018-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4171/ZAA/1618","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43921458","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}
引用次数: 3
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