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Spectral convergence in geometric quantization on $K3$ surfaces K3曲面上几何量化的谱收敛性
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n3.a2
Kota Hattori
{"title":"Spectral convergence in geometric quantization on $K3$ surfaces","authors":"Kota Hattori","doi":"10.4310/ajm.2023.v27.n3.a2","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n3.a2","url":null,"abstract":"We study the geometric quantization on $K3$ surfaces from the viewpoint of the spectral convergence. We take a special Lagrangian fibrations on the $K3$ surfaces and a family of hyper-Kahler structures tending to large complex structure limit, and show a spectral convergence of the $bar{partial}$-Laplacians on the prequantum line bundle to the spectral structure related to the set of Bohr-Sommerfeld fibers.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135508160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Ordinary deformations are unobstructed in the cyclotomic limit 普通的变形在切环极限内是通畅的
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n3.a4
Ashay Burungale, Laurent Clozel
{"title":"Ordinary deformations are unobstructed in the cyclotomic limit","authors":"Ashay Burungale, Laurent Clozel","doi":"10.4310/ajm.2023.v27.n3.a4","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n3.a4","url":null,"abstract":"The deformation theory of ordinary representations of the absolute Galois groups of totally real number fields (over a finite field $k$) has been studied for a long time, starting with the work of Hida, Mazur and Tilouine, and continued by Wiles and others. Hida has studied the behaviour of these deformations when one considers the $p$-cyclotomic tower of extensions of the field. In the limit, one obtains a deformation ring classifying the ordinary deformations of the (Galois group of) the $p$-cyclotomic extension. We show that if this ring in Noetherian (a natural assumption considered by Hida) it is free over the ring of Witt vectors of $k$. This however imposes natural conditions on certain $mu$-invariants.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135783348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
The Schwarz lemma in Kähler and non-Kähler geometry Kähler和non-Kähler几何中的Schwarz引理
IF 0.6 4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n1.a5
Kyle Broder
{"title":"The Schwarz lemma in Kähler and non-Kähler geometry","authors":"Kyle Broder","doi":"10.4310/ajm.2023.v27.n1.a5","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n1.a5","url":null,"abstract":"","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70392109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 7
A criteria for classification of weighted dual graphs of singularities and its application 奇异加权对偶图的分类准则及其应用
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n2.a4
Stephen S.-T. Yau, Qiwei Zhu, Huaiqing Zuo
{"title":"A criteria for classification of weighted dual graphs of singularities and its application","authors":"Stephen S.-T. Yau, Qiwei Zhu, Huaiqing Zuo","doi":"10.4310/ajm.2023.v27.n2.a4","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n2.a4","url":null,"abstract":"","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136302919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Terracini locus for three points on a Segre variety Terracini基因座在一个Segre品种上的三个点
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n3.a3
Edoardo Ballico, Alessandra Bernardi, Pierpaola Santarsiero
{"title":"Terracini locus for three points on a Segre variety","authors":"Edoardo Ballico, Alessandra Bernardi, Pierpaola Santarsiero","doi":"10.4310/ajm.2023.v27.n3.a3","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n3.a3","url":null,"abstract":"We introduce the notion of r-th Terracini locus of a variety and we compute it for at most three points on a Segre variety.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135784449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 5
Moment map for coupled equations of Kähler forms and curvature Kähler形式和曲率耦合方程的矩映射
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n2.a3
King Leung Lee
{"title":"Moment map for coupled equations of Kähler forms and curvature","authors":"King Leung Lee","doi":"10.4310/ajm.2023.v27.n2.a3","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n2.a3","url":null,"abstract":"In this short note, we study some coupled metric equations in terms of moment map. As a consequence, we will give an alternate moment map picture of coupled cscK equation and a special case of coupled Kahler Yang-Mill's equation.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136302922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 stability of linear feedback particle filter 线性反馈粒子滤波器的稳定性研究
IF 0.6 4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n1.a4
Xiuqiong Chen, S. Yau
{"title":"On the stability of linear feedback particle filter","authors":"Xiuqiong Chen, S. Yau","doi":"10.4310/ajm.2023.v27.n1.a4","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n1.a4","url":null,"abstract":"","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70392100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Compactness and rigidity of self-shrinking surfaces 自收缩表面的致密性和刚性
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n3.a1
Tang-Kai Lee
{"title":"Compactness and rigidity of self-shrinking surfaces","authors":"Tang-Kai Lee","doi":"10.4310/ajm.2023.v27.n3.a1","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n3.a1","url":null,"abstract":"The entropy functional introduced by Colding and Minicozzi plays a fundamental role in the analysis of mean curvature flow. However, unlike the hypersurface case, relatively little about the entropy is known in the higher-codimension case. In this note, we use measure-theoretical techniques and rigidity results for self-shrinkers to prove a compactness theorem for a family of self-shrinking surfaces with low entropy. Based on this, we prove the existence of entropy minimizers among self-shrinking surfaces and improve some rigidity results.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"273 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135508445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Special termination for log canonical pairs 对数正则对的特殊终止
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n3.a5
Vladimir Lazić, Joaquín Moraga, Nikolaos Tsakanikas
{"title":"Special termination for log canonical pairs","authors":"Vladimir Lazić, Joaquín Moraga, Nikolaos Tsakanikas","doi":"10.4310/ajm.2023.v27.n3.a5","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n3.a5","url":null,"abstract":"We prove the special termination for log canonical pairs and its generalisation in the context of generalised pairs.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"280 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136008746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 9
Embedding obstructions in $mathbb{R}^d$ from the Goodwillie–Weiss calculus and Whitney disks 从Goodwillie-Weiss微积分和Whitney磁盘中嵌入$mathbb{R}^d$中的障碍物
4区 数学
Asian Journal of Mathematics Pub Date : 2023-01-01 DOI: 10.4310/ajm.2023.v27.n2.a1
Gregory Arone, Vyacheslav Krushkal
{"title":"Embedding obstructions in $mathbb{R}^d$ from the Goodwillie–Weiss calculus and Whitney disks","authors":"Gregory Arone, Vyacheslav Krushkal","doi":"10.4310/ajm.2023.v27.n2.a1","DOIUrl":"https://doi.org/10.4310/ajm.2023.v27.n2.a1","url":null,"abstract":"Given an $m$-dimensional CW complex $K$, we use a version of the Goodwillie-Weiss tower to formulate an obstruction theory for embeddings into a Euclidean space ${mathbb R}^d$. For $2$-complexes in ${mathbb R}^4$ a geometric analogue is also introduced, based on intersections of Whitney disks and more generally on the intersection theory of Whitney towers developed by Schneiderman and Teichner. The focus in this paper is on the first obstruction beyond the classical embedding obstruction of van Kampen. In this case we show the two approaches give the same result, and also relate it to the Arnold class in the cohomology of configuration spaces. The obstructions are shown to be realized in a family of examples. Conjectures are formulated, relating higher versions of these homotopy-theoretic, geometric and cohomological theories.","PeriodicalId":55452,"journal":{"name":"Asian Journal of Mathematics","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135181171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
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