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Equivariant Chow–Witt groups and moduli stacks of elliptic curves 椭圆曲线的等变Chow-Witt群和模堆
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2023-08-16 DOI: 10.4171/dm/911
Andrea Di Lorenzo, L. Mantovani
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引用次数: 0
Erratum to “The line bundles on moduli stacks of principal bundles on a curve” “曲线上主束的模堆上的线束”的勘误
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2023-08-16 DOI: 10.4171/dm/921
I. Biswas, N. Hoffmann
{"title":"Erratum to “The line bundles on moduli stacks of principal bundles on a curve”","authors":"I. Biswas, N. Hoffmann","doi":"10.4171/dm/921","DOIUrl":"https://doi.org/10.4171/dm/921","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"42 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75621529","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 minus component of the equivariant Tamagawa number conjecture for $mathbb{G}_m$ $mathbb{G}_m$的等变Tamagawa数猜想的负分量
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2023-08-16 DOI: 10.4171/dm/914
Mahiro Atsuta, T. Kataoka
{"title":"On the minus component of the equivariant Tamagawa number conjecture for $mathbb{G}_m$","authors":"Mahiro Atsuta, T. Kataoka","doi":"10.4171/dm/914","DOIUrl":"https://doi.org/10.4171/dm/914","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"17 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72895125","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
Slopes of $F$-isocrystals over abelian varieties $F$-同晶在阿贝尔变种上的斜率
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2023-08-07 DOI: 10.4171/dm/910
Marco d’Addezio
{"title":"Slopes of $F$-isocrystals over abelian varieties","authors":"Marco d’Addezio","doi":"10.4171/dm/910","DOIUrl":"https://doi.org/10.4171/dm/910","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"42 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88370231","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
Derivatives of Beilinson–Flach classes, Gross–Stark formulas and a $p$-adic Harris–Venkatesh conjecture Beilinson-Flach类的导数,Gross-Stark公式和$p$-adic Harris-Venkatesh猜想
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2023-08-07 DOI: 10.4171/dm/905
Óscar Rivero
{"title":"Derivatives of Beilinson–Flach classes, Gross–Stark formulas and a $p$-adic Harris–Venkatesh conjecture","authors":"Óscar Rivero","doi":"10.4171/dm/905","DOIUrl":"https://doi.org/10.4171/dm/905","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"72 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84156361","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
Tori over number fields and special values at $s=1$ 在$s=1$处,Tori over number字段和特殊值
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2022-10-17 DOI: 10.4171/dm/906
Adrien Morin
{"title":"Tori over number fields and special values at $s=1$","authors":"Adrien Morin","doi":"10.4171/dm/906","DOIUrl":"https://doi.org/10.4171/dm/906","url":null,"abstract":"We define a Weil-'etale complex with compact support for duals (in the sense of the Bloch dualizing cycles complex $mathbb{Z}^c$) of a large class of $mathbb{Z}$-constructible sheaves on an integral $1$-dimensional proper arithmetic scheme flat over $mathrm{Spec}(mathbb{Z})$. This complex can be thought of as computing Weil-'etale homology. For those $mathbb{Z}$-constructible sheaves that are moreover tamely ramified, we define an\"additive\"complex which we think of as the Lie algebra of the dual of the $mathbb{Z}$-constructible sheaf. The product of the determinants of the additive and Weil-'etale complex is called the fundamental line. We prove a duality theorem which implies that the fundamental line has a natural trivialization, giving a multiplicative Euler characteristic. We attach a natural $L$-function to the dual of a $mathbb{Z}$-constructible sheaf; up to a finite number of factors, this $L$-function is an Artin $L$-function at $s+1$. Our main theorem contains a vanishing order formula at $s=0$ for the $L$-function and states that, in the tamely ramified case, the special value at $s=0$ is given up to sign by the Euler characteristic. This generalizes the analytic class number formula for the special value at $s=1$ of the Dedekind zeta function. In the function field case, this a theorem of arXiv:2009.14504.","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"9 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79766134","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
Reduction of structure to parabolic subgroups 抛物子群结构的约化
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2022-03-08 DOI: 10.4171/dm/901
Danny Ofek
{"title":"Reduction of structure to parabolic subgroups","authors":"Danny Ofek","doi":"10.4171/dm/901","DOIUrl":"https://doi.org/10.4171/dm/901","url":null,"abstract":". Let G be an affine group over a field of characteristic not two. A G -torsor is called isotropic if it admits reduction of structure to a proper parabolic subgroup of G . This definition generalizes isotropy of affine groups and involutions of central simple algebras. When does G admit anisotropic torsors? Building on work of J. Tits, we answer this question for simple groups. We also give an answer for connected and semisimple G under certain restrictions on its root system.","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"05 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88177754","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
The Hochschild cohomology of the algebra of differential operators tangent to a central arrangement of lines 与一组中央直线相切的微分算子代数的Hochschild上同调
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2022-01-01 DOI: 10.4171/dm/887
F. Kordon, M. Suárez-Álvarez
{"title":"The Hochschild cohomology of the algebra of differential operators tangent to a central arrangement of lines","authors":"F. Kordon, M. Suárez-Álvarez","doi":"10.4171/dm/887","DOIUrl":"https://doi.org/10.4171/dm/887","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"12 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88246111","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
On class number relations and intersections over function fields
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2022-01-01 DOI: 10.4171/dm/899
Jianbin Guo, Fu-Tsun Wei
{"title":"On class number relations and intersections over function fields","authors":"Jianbin Guo, Fu-Tsun Wei","doi":"10.4171/dm/899","DOIUrl":"https://doi.org/10.4171/dm/899","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"162 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87153842","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 Brauer group of bielliptic surfaces (with an appendix by Jonas Bergström and Sofia Tirabassi) 关于双椭圆曲面的Brauer群(附Jonas Bergström和Sofia Tirabassi的附录)
IF 0.9 3区 数学
Documenta Mathematica Pub Date : 2022-01-01 DOI: 10.4171/dm/873
E. Ferrari, S. Tirabassi, Magnus Vodrup, Jonas Bergström
{"title":"On the Brauer group of bielliptic surfaces (with an appendix by Jonas Bergström and Sofia Tirabassi)","authors":"E. Ferrari, S. Tirabassi, Magnus Vodrup, Jonas Bergström","doi":"10.4171/dm/873","DOIUrl":"https://doi.org/10.4171/dm/873","url":null,"abstract":"","PeriodicalId":50567,"journal":{"name":"Documenta Mathematica","volume":"57 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85652940","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
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