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Geometries of topological groups 拓扑群的几何
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-07-03 DOI: 10.1090/bull/1807
Christian Rosendal
{"title":"Geometries of topological groups","authors":"Christian Rosendal","doi":"10.1090/bull/1807","DOIUrl":"https://doi.org/10.1090/bull/1807","url":null,"abstract":"The paper provides an overarching framework for the study of some of the intrinsic geometries that a topological group may carry. An initial analysis is based on geometric nonlinear functional analysis, that is, the study of Banach spaces as metric spaces up to various notions of isomorphism, such as bi-Lipschitz equivalence, uniform homeomorphism, and coarse equivalence. This motivates the introduction of the various geometric categories applicable to all topological groups, namely, their uniform and coarse structure, along with those applicable to a more select class, that is, (local) Lipschitz and quasimetric structure. Our study touches on Lie theory, geometric group theory, and geometric nonlinear functional analysis and makes evident that these can all be seen as instances of a single coherent theory.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46119547","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: 1
Yuri Ivanovich Manin, An extraordinary mathematician 尤里·伊万诺维奇·马宁，一位杰出的数学家
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-04-28 DOI: 10.1090/bull/1801
{"title":"Yuri Ivanovich Manin, An extraordinary mathematician","authors":"","doi":"10.1090/bull/1801","DOIUrl":"https://doi.org/10.1090/bull/1801","url":null,"abstract":"Yuri Manin not only made seminal contributions to a broad array of abstract mathematics and theoretical physics, he also brought his intellectual prowess to bear on a wide range of humanistic endeavors. In the following review W.T. Gowers discusses Manin’s book, Mathematics as Metaphor.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47537760","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
F. S. Macaulay: From plane curves to Gorenstein rings f·s·麦考利:从平面曲线到格伦斯坦环
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-04-27 DOI: 10.1090/bull/1787
D. Eisenbud, J. Gray
{"title":"F. S. Macaulay: From plane curves to Gorenstein rings","authors":"D. Eisenbud, J. Gray","doi":"10.1090/bull/1787","DOIUrl":"https://doi.org/10.1090/bull/1787","url":null,"abstract":"Francis Sowerby Macaulay began his career working on Brill and Noether’s theory of algebraic plane curves and their interpretation of the Riemann–Roch and Cayley–Bacharach theorems; in fact it is Macaulay who first stated and proved the modern form of the Cayley–Bacharach theorem. Later in his career Macaulay developed ideas and results that have become important in modern commutative algebra, such as the notions of unmixedness, perfection (the Cohen–Macaulay property), and super-perfection (the Gorenstein property), work that was appreciated by Emmy Noether and the people around her. He also discovered results that are now fundamental in the theory of linkage, but this work was forgotten and independently rediscovered much later. The name of a computer algebra program (now Macaulay2) recognizes that much of his work is based on examples created by refined computation.\u0000\u0000Though he never spoke of the connection, the threads of Macaulay’s work lead directly from the problems on plane curves to his later theorems. In this paper we will explain what Macaulay did, and how his results are connected.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45761355","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: 1
Book Review: Elements of $infty $-categories 书评：$infty$的元素-类别
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-04-03 DOI: 10.1090/bull/1798
C. Weibel
{"title":"Book Review: Elements of $infty $-categories","authors":"C. Weibel","doi":"10.1090/bull/1798","DOIUrl":"https://doi.org/10.1090/bull/1798","url":null,"abstract":"","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49212748","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
Corrigendum to “Stable black holes: In vacuum and beyond” “稳定黑洞：在真空中及真空以外”勘误表
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-04-03 DOI: 10.1090/bull/1797
Elena Giorgi
{"title":"Corrigendum to “Stable black holes: In vacuum and beyond”","authors":"Elena Giorgi","doi":"10.1090/bull/1797","DOIUrl":"https://doi.org/10.1090/bull/1797","url":null,"abstract":"This note is a corrigendum to the paper by Elena Giorgi [Bull. Amer. Math. Soc. 60 (2023), no. 1, 1–27] pointing out a misrepresentaton of the “Collapse conjecture”, which was proved by Christodoulou [The formation of black holes in general relativity, EMS Monographs in Mathematics, European Mathematical Society (EMS), Zürich, 2009].","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49484634","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
Subfactors and mathematical physics 子因子与数理物理学
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-03-08 DOI: 10.1090/bull/1799
David E. Evans, Yasuyuki Kawahigashi
{"title":"Subfactors and mathematical physics","authors":"David E. Evans, Yasuyuki Kawahigashi","doi":"10.1090/bull/1799","DOIUrl":"https://doi.org/10.1090/bull/1799","url":null,"abstract":"This paper surveys the long-standing connections and impact between Vaughan Jones’s theory of subfactors and various topics in mathematical physics, namely statistical mechanics, quantum field theory, quantum information, and two-dimensional conformal field theory.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46743555","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: 5
Nirenberg’s contributions to linear partial differential equations: Pseudo-differential operators and solvability Nirenberg对线性偏微分方程的贡献:伪微分算子和可解性
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-02-03 DOI: 10.1090/bull/1791
N. Dencker
{"title":"Nirenberg’s contributions to linear partial differential equations: Pseudo-differential operators and solvability","authors":"N. Dencker","doi":"10.1090/bull/1791","DOIUrl":"https://doi.org/10.1090/bull/1791","url":null,"abstract":"This article is a survey of Louis Nirenberg’s contributions to linear partial differential equations, focusing on his groundbreaking work on pseudo-differential operators and solvability.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43947008","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
Book Review: Topological methods in hydrodynamics 书评：流体力学中的拓扑方法
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2023-01-19 DOI: 10.1090/bull/1794
G. Misiołek
{"title":"Book Review: Topological methods in hydrodynamics","authors":"G. Misiołek","doi":"10.1090/bull/1794","DOIUrl":"https://doi.org/10.1090/bull/1794","url":null,"abstract":"","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45934075","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
Billiards and Teichmüller curves 台球和Teichmüller曲线
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2022-11-28 DOI: 10.1090/bull/1782
C. McMullen
{"title":"Billiards and Teichmüller curves","authors":"C. McMullen","doi":"10.1090/bull/1782","DOIUrl":"https://doi.org/10.1090/bull/1782","url":null,"abstract":"A Teichmüller curve \u0000\u0000 \u0000 \u0000 V\u0000 ⊂\u0000 \u0000 \u0000 M\u0000 \u0000 g\u0000 \u0000 \u0000 V subset mathcal {M}_g\u0000 \u0000\u0000 is an isometrically immersed algebraic curve in the moduli space of Riemann surfaces. These rare, extremal objects are related to billiards in polygons, Hodge theory, algebraic geometry and surface topology. This paper presents the six known families of primitive Teichmüller curves that have been discovered over the past 30 years, and a selection of open problems.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43727613","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: 5
Essence of independence: Hodge theory of matroids since June Huh 独立的本质：六月以来的拟阵Hodge理论
IF 1.3 3区 数学
Bulletin of the American Mathematical Society Pub Date : 2022-11-10 DOI: 10.1090/bull/1803
C. Eur
{"title":"Essence of independence: Hodge theory of matroids since June Huh","authors":"C. Eur","doi":"10.1090/bull/1803","DOIUrl":"https://doi.org/10.1090/bull/1803","url":null,"abstract":"Matroids are combinatorial abstractions of independence, a ubiquitous notion that pervades many branches of mathematics. June Huh and his collaborators recently made spectacular breakthroughs by developing a Hodge theory of matroids that resolved several long-standing conjectures in matroid theory. We survey the main results in this development and ideas behind them.","PeriodicalId":9513,"journal":{"name":"Bulletin of the American Mathematical Society","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2022-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41704786","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: 1
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