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Communications in Number Theory and Physics最新文献

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Massive deformations of Maass forms and Jacobi forms Maas形式和Jacobi形式的大变形
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-10-07 DOI: 10.4310/CNTP.2021.v15.n3.a4
M. Berg, K. Bringmann, T. Gannon
{"title":"Massive deformations of Maass forms and Jacobi forms","authors":"M. Berg, K. Bringmann, T. Gannon","doi":"10.4310/CNTP.2021.v15.n3.a4","DOIUrl":"https://doi.org/10.4310/CNTP.2021.v15.n3.a4","url":null,"abstract":"We define one-parameter \"massive\" deformations of Maass forms and Jacobi forms. This is inspired by descriptions of plane gravitational waves in string theory. Examples include massive Green's functions (that we write in terms of Kronecker-Eisenstein series) and massive modular graph functions.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43460155","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: 15
Flux vacua: a voluminous recount 真空流量：大容量
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-09-10 DOI: 10.4310/cntp.2022.v16.n4.a4
Miranda C. N. Cheng, G. Moore, Natalie M. Paquette
{"title":"Flux vacua: a voluminous recount","authors":"Miranda C. N. Cheng, G. Moore, Natalie M. Paquette","doi":"10.4310/cntp.2022.v16.n4.a4","DOIUrl":"https://doi.org/10.4310/cntp.2022.v16.n4.a4","url":null,"abstract":"In this note we apply mathematical results for the volume of certain symmetric spaces to the problem of counting flux vacua in simple IIB Calabi--Yau compactifications. In particular we obtain estimates for the number of flux vacua including the geometric factor related to the Calabi-Yau moduli space, in the large flux limit, for the FHSV model and some closely related models. We see that these geometric factors give rise to contributions to the counting formula that are typically not of order one and might potentially affect the counting qualitatively in some cases. We also note, for simple families of Calabi-Yau moduli spaces, an interesting dependence of the moduli space volumes on the dimension of the flux space, which in turn is governed by the Betti numbers of the Calabi-Yaus.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41647553","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
A Cartesian diagram of Rapoport–Zink towers over universal covers of $p$-divisible groups Rapoport-Zink的笛卡尔图在$p$可分群的全称覆盖上高塔
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-08-26 DOI: 10.4310/cntp.2020.v14.n4.a1
Mohammad Hadi Hedayatzadeh
{"title":"A Cartesian diagram of Rapoport–Zink towers over universal covers of $p$-divisible groups","authors":"Mohammad Hadi Hedayatzadeh","doi":"10.4310/cntp.2020.v14.n4.a1","DOIUrl":"https://doi.org/10.4310/cntp.2020.v14.n4.a1","url":null,"abstract":"In their paper Scholze and Weinstein show that a certain diagram of perfectoid spaces is Cartesian. In this paper, we generalize their result. This generalization will be used in a forthcoming paper of ours to compute certain non-trivial $ell$-adic etale cohomology classes appearing in the the generic fiber of Lubin-Tate and Rapoprt-Zink towers. We also study the behavior of the vector bundle functor on the fundamental curve in $p$-adic Hodge theory, defined by Fargues-Fontaine, under multilinear morphisms.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45824234","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
Gamma functions, monodromy and Frobenius constants 函数，单态和Frobenius常数
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-08-20 DOI: 10.4310/CNTP.2021.v15.n1.a3
S. Bloch, Masha Vlasenko
{"title":"Gamma functions, monodromy and Frobenius constants","authors":"S. Bloch, Masha Vlasenko","doi":"10.4310/CNTP.2021.v15.n1.a3","DOIUrl":"https://doi.org/10.4310/CNTP.2021.v15.n1.a3","url":null,"abstract":"In their paper on the gamma conjecture in mirror symmetry, Golyshev and Zagier introduce what we refer to as Frobenius constants associated to an ordinary linear differential operator L with a reflection type singularity. These numbers describe the variation around the reflection point of Frobenius solutions to L defined near other singular points. Golyshev and Zagier show that in certain geometric cases Frobenius constants are periods, and they raise the question quite generally how to describe these numbers motivically. In this paper we give a relation between Frobenius constants and Taylor coefficients of generalized gamma functions, from which it follows that Frobenius constants of Picard--Fuchs differential operators are periods. We also study the relation between these constants and periods of limiting Hodge structures. \u0000This is a major revision of the previous version of the manuscript. The notion of Frobenius constants and our main result are extended to the general case of regular singularities with any sets of local exponents. In addition, the generating function of Frobenius constants is given explicitly for all hypergeometric connections.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46470712","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
On functional equations for Nielsen polylogarithms 关于Nielsen多对数的函数方程
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-08-13 DOI: 10.4310/cntp.2021.v15.n2.a4
Steven Charlton, H. Gangl, D. Radchenko
{"title":"On functional equations for Nielsen polylogarithms","authors":"Steven Charlton, H. Gangl, D. Radchenko","doi":"10.4310/cntp.2021.v15.n2.a4","DOIUrl":"https://doi.org/10.4310/cntp.2021.v15.n2.a4","url":null,"abstract":"We derive new functional equations for Nielsen polylogarithms. We show that, when viewed modulo $mathrm{Li}_5$ and products of lower weight functions, the weight $5$ Nielsen polylogarithm $S_{3,2}$ satisfies the dilogarithm five-term relation. We also give some functional equations and evaluations for Nielsen polylogarithms in weights up to 8, and general families of identities in higher weight.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44204238","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: 8
Arithmetic and geometry of a K3 surface emerging from virtual corrections to Drell–Yan scattering Drell-Yan散射虚修正后的K3曲面的算术和几何
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-08-02 DOI: 10.4310/cntp.2020.v14.n4.a4
M. Besier, Dino Festi, Michael C. Harrison, Bartosz Naskręcki
{"title":"Arithmetic and geometry of a K3 surface emerging from virtual corrections to Drell–Yan scattering","authors":"M. Besier, Dino Festi, Michael C. Harrison, Bartosz Naskręcki","doi":"10.4310/cntp.2020.v14.n4.a4","DOIUrl":"https://doi.org/10.4310/cntp.2020.v14.n4.a4","url":null,"abstract":"We study a K3 surface, which appears in the two-loop mixed electroweak-quantum chromodynamic virtual corrections to Drell--Yan scattering. A detailed analysis of the geometric Picard lattice is presented, computing its rank and discriminant in two independent ways: first using explicit divisors on the surface and then using an explicit elliptic fibration. We also study in detail the elliptic fibrations of the surface and use them to provide an explicit Shioda--Inose structure. Moreover, we point out the physical relevance of our results.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43570450","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: 15
Genus-zero and genus-one string amplitudes and special multiple zeta values 亏格零和亏格一弦振幅与特殊多重ζ值
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-06-28 DOI: 10.4310/cntp.2020.v14.n2.a4
D. Zagier, Federico Zerbini
{"title":"Genus-zero and genus-one string amplitudes and special multiple zeta values","authors":"D. Zagier, Federico Zerbini","doi":"10.4310/cntp.2020.v14.n2.a4","DOIUrl":"https://doi.org/10.4310/cntp.2020.v14.n2.a4","url":null,"abstract":"In this paper we show that in perturbative string theory the genus-one contribution to formal 2-point amplitudes can be related to the genus-zero contribution to 4-point amplitudes. This is achieved by studying special linear combinations of multiple zeta values that appear as coefficients of the amplitudes. We also exploit our results to relate closed strings to open strings at genus one using Brown's single-valued projection, proving a conjecture of Broedel, Schlotterer and the second author.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44729248","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: 29
Intermediate and small scale limiting theorems for random fields 随机场的中尺度和小尺度极限定理
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-06-02 DOI: 10.4310/cntp.2022.v16.n1.a1
D. Beliaev, Riccardo W. Maffucci
{"title":"Intermediate and small scale limiting theorems for random fields","authors":"D. Beliaev, Riccardo W. Maffucci","doi":"10.4310/cntp.2022.v16.n1.a1","DOIUrl":"https://doi.org/10.4310/cntp.2022.v16.n1.a1","url":null,"abstract":"In this paper we study the nodal lines of random eigenfunctions of the Laplacian on the torus, the so called 'arithmetic waves'. To be more precise, we study the number of intersections of the nodal line with a straight interval in a given direction. We are interested in how this number depends on the length and direction of the interval and the distribution of spectral measure of the random wave. We analyse the second factorial moment in the short interval regime and the persistence probability in the long interval regime. We also study relations between the Cilleruelo and Cilleruelo-type fields. We give an explicit coupling between these fields which on mesoscopic scales preserves the structure of the nodal sets with probability close to one.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47735753","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
Geometries in perturbative quantum field theory 微扰量子场论中的几何
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-05-17 DOI: 10.4310/cntp.2021.v15.n4.a2
O. Schnetz
{"title":"Geometries in perturbative quantum field theory","authors":"O. Schnetz","doi":"10.4310/cntp.2021.v15.n4.a2","DOIUrl":"https://doi.org/10.4310/cntp.2021.v15.n4.a2","url":null,"abstract":"In perturbative quantum field theory one encounters certain, very specific geometries over the integers. These perturbative quantum geometries determine the number contents of the amplitude considered. In the article `Modular forms in quantum field theory' F. Brown and the author report on a first list of perturbative quantum geometries using the $c_2$-invariant in $phi^4$ theory. A main tool was denominator reduction which allowed the authors to examine graphs up to loop order (first Betti number) 10. We introduce an improved quadratic denominator reduction which makes it possible to extend the previous results to loop order 11 (and partially orders 12 and 13). For comparison, also non-$phi^4$ graphs are investigated. Here, we extend the results from loop order 9 to 10. The new database of 4801 unique $c_2$-invariants (previously 157) -- while being consistent with all major $c_2$-conjectures -- leads to a more refined picture of perturbative quantum geometries. In the appendix, Friedrich Knop proves a Chevalley-Warning-Ax theorem for double covers of affine space.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47015397","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: 13
Absence of irreducible multiple zeta-values in melon modular graph functions 甜瓜模图函数中不存在不可约多重ζ值
IF 1.9 3区 数学
Communications in Number Theory and Physics Pub Date : 2019-04-13 DOI: 10.4310/cntp.2020.v14.n2.a2
E. D'hoker, M. B. Green
{"title":"Absence of irreducible multiple zeta-values in melon modular graph functions","authors":"E. D'hoker, M. B. Green","doi":"10.4310/cntp.2020.v14.n2.a2","DOIUrl":"https://doi.org/10.4310/cntp.2020.v14.n2.a2","url":null,"abstract":"The expansion of a modular graph function on a torus of modulus $tau$ near the cusp is given by a Laurent polynomial in $y= pi Im (tau)$ with coefficients that are rational multiples of single-valued multiple zeta-values, apart from the leading term whose coefficient is rational and exponentially suppressed terms. We prove that the coefficients of the non-leading terms in the Laurent polynomial of the modular graph function $D_N(tau)$ associated with a melon graph is free of irreducible multiple zeta-values and can be written as a polynomial in odd zeta-values with rational coefficients for arbitrary $N geq 0$. The proof proceeds by expressing a generating function for $D_N(tau)$ in terms of an integral over the Virasoro-Shapiro closed-string tree amplitude.","PeriodicalId":55616,"journal":{"name":"Communications in Number Theory and Physics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2019-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47920371","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: 21
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