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Corrigendum to “On certain maximal hyperelliptic curves related to Chebyshev polynomials” [J. Number Theory 203 (2019) 276–293]
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-30 DOI: 10.1016/j.jnt.2024.10.011
Saeed Tafazolian , Jaap Top
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引用次数: 0
Period of the Ikeda-Miyawaki lift
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-22 DOI: 10.1016/j.jnt.2024.09.014
Tomoyoshi Ibukiyama , Hidenori Katsurada , Hisashi Kojima
In this paper, first we give a weak version of Ikeda's conjecture on the period of the Ikeda-Miyawaki lift. Next, we confirm this conjecture rigorously in some cases.
{"title":"Period of the Ikeda-Miyawaki lift","authors":"Tomoyoshi Ibukiyama ,&nbsp;Hidenori Katsurada ,&nbsp;Hisashi Kojima","doi":"10.1016/j.jnt.2024.09.014","DOIUrl":"10.1016/j.jnt.2024.09.014","url":null,"abstract":"<div><div>In this paper, first we give a weak version of Ikeda's conjecture on the period of the Ikeda-Miyawaki lift. Next, we confirm this conjecture rigorously in some cases.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 341-369"},"PeriodicalIF":0.6,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744086","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
Rational configuration problems and a family of curves
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-22 DOI: 10.1016/j.jnt.2024.09.008
Jonathan Love
Given
, we consider the number of rational points on the genus one curveHη:y2=(a(1x2)+b(2x))2+(c(1x2)+d(2x))2. We prove that the set of η for which Hη(Q) has density zero, and that if a rational point (x0,y0)Hη(Q) exists, then Hη(Q) is infinite unless a certain explicit polynomial in a,b,c,d,x0,y0 vanishes.
Curves of the form Hη naturally occur in the study of configurations of points in Rn with rational distances between them. As one example demonstrating this framework, we prove that if a line through the origin in R2 passes through a rational point on the unit circle, then it contains a dense set of points P such that the distances from P to each of the three points (0,0), (0,1), and (1,1) are all rational. We also prove some results regarding whether a rational number can be expressed as a sum or product of slopes of rational right triangles.
{"title":"Rational configuration problems and a family of curves","authors":"Jonathan Love","doi":"10.1016/j.jnt.2024.09.008","DOIUrl":"10.1016/j.jnt.2024.09.008","url":null,"abstract":"<div><div>Given <figure><img></figure>, we consider the number of rational points on the genus one curve<span><span><span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>η</mi></mrow></msub><mo>:</mo><msup><mrow><mi>y</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>=</mo><msup><mrow><mo>(</mo><mi>a</mi><mo>(</mo><mn>1</mn><mo>−</mo><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>)</mo><mo>+</mo><mi>b</mi><mo>(</mo><mn>2</mn><mi>x</mi><mo>)</mo><mo>)</mo></mrow><mrow><mn>2</mn></mrow></msup><mo>+</mo><msup><mrow><mo>(</mo><mi>c</mi><mo>(</mo><mn>1</mn><mo>−</mo><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>)</mo><mo>+</mo><mi>d</mi><mo>(</mo><mn>2</mn><mi>x</mi><mo>)</mo><mo>)</mo></mrow><mrow><mn>2</mn></mrow></msup><mo>.</mo></math></span></span></span> We prove that the set of <em>η</em> for which <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>η</mi></mrow></msub><mo>(</mo><mi>Q</mi><mo>)</mo><mo>≠</mo><mo>∅</mo></math></span> has density zero, and that if a rational point <span><math><mo>(</mo><msub><mrow><mi>x</mi></mrow><mrow><mn>0</mn></mrow></msub><mo>,</mo><msub><mrow><mi>y</mi></mrow><mrow><mn>0</mn></mrow></msub><mo>)</mo><mo>∈</mo><msub><mrow><mi>H</mi></mrow><mrow><mi>η</mi></mrow></msub><mo>(</mo><mi>Q</mi><mo>)</mo></math></span> exists, then <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>η</mi></mrow></msub><mo>(</mo><mi>Q</mi><mo>)</mo></math></span> is infinite unless a certain explicit polynomial in <span><math><mi>a</mi><mo>,</mo><mi>b</mi><mo>,</mo><mi>c</mi><mo>,</mo><mi>d</mi><mo>,</mo><msub><mrow><mi>x</mi></mrow><mrow><mn>0</mn></mrow></msub><mo>,</mo><msub><mrow><mi>y</mi></mrow><mrow><mn>0</mn></mrow></msub></math></span> vanishes.</div><div>Curves of the form <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>η</mi></mrow></msub></math></span> naturally occur in the study of configurations of points in <span><math><msup><mrow><mi>R</mi></mrow><mrow><mi>n</mi></mrow></msup></math></span> with rational distances between them. As one example demonstrating this framework, we prove that if a line through the origin in <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></math></span> passes through a rational point on the unit circle, then it contains a dense set of points <em>P</em> such that the distances from <em>P</em> to each of the three points <span><math><mo>(</mo><mn>0</mn><mo>,</mo><mn>0</mn><mo>)</mo></math></span>, <span><math><mo>(</mo><mn>0</mn><mo>,</mo><mn>1</mn><mo>)</mo></math></span>, and <span><math><mo>(</mo><mn>1</mn><mo>,</mo><mn>1</mn><mo>)</mo></math></span> are all rational. We also prove some results regarding whether a rational number can be expressed as a sum or product of slopes of rational right triangles.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 370-396"},"PeriodicalIF":0.6,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On gamma factors of Rankin–Selberg integrals for U2ℓ × ResE/FGLn
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-22 DOI: 10.1016/j.jnt.2024.09.013
Kazuki Morimoto
In this paper, we prove the fundamental properties of gamma factors defined by Rankin-Selberg integrals of Shimura type for pairs of generic representations (π,τ) of U2(F) and GLn(E) for a local field F of characteristic zero and a quadratic extension E of F. We also prove similar results for pairs of generic representations (π,τ1τ2) of GL2(F) and GLn(F)×GLn(F). As a corollary, we prove that the gamma factors arising from Langlands–Shahidi method and our gamma factors coincide.
{"title":"On gamma factors of Rankin–Selberg integrals for U2ℓ × ResE/FGLn","authors":"Kazuki Morimoto","doi":"10.1016/j.jnt.2024.09.013","DOIUrl":"10.1016/j.jnt.2024.09.013","url":null,"abstract":"<div><div>In this paper, we prove the fundamental properties of gamma factors defined by Rankin-Selberg integrals of Shimura type for pairs of generic representations <span><math><mo>(</mo><mi>π</mi><mo>,</mo><mi>τ</mi><mo>)</mo></math></span> of <span><math><msub><mrow><mi>U</mi></mrow><mrow><mn>2</mn><mi>ℓ</mi></mrow></msub><mo>(</mo><mi>F</mi><mo>)</mo></math></span> and <span><math><msub><mrow><mi>GL</mi></mrow><mrow><mi>n</mi></mrow></msub><mo>(</mo><mi>E</mi><mo>)</mo></math></span> for a local field <em>F</em> of characteristic zero and a quadratic extension <em>E</em> of <em>F</em>. We also prove similar results for pairs of generic representations <span><math><mo>(</mo><mi>π</mi><mo>,</mo><msub><mrow><mi>τ</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>⊗</mo><msub><mrow><mi>τ</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>)</mo></math></span> of <span><math><msub><mrow><mi>GL</mi></mrow><mrow><mn>2</mn><mi>ℓ</mi></mrow></msub><mo>(</mo><mi>F</mi><mo>)</mo></math></span> and <span><math><msub><mrow><mi>GL</mi></mrow><mrow><mi>n</mi></mrow></msub><mo>(</mo><mi>F</mi><mo>)</mo><mo>×</mo><msub><mrow><mi>GL</mi></mrow><mrow><mi>n</mi></mrow></msub><mo>(</mo><mi>F</mi><mo>)</mo></math></span>. As a corollary, we prove that the gamma factors arising from Langlands–Shahidi method and our gamma factors coincide.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 203-246"},"PeriodicalIF":0.6,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744090","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 height of some generators of Galois extensions with big Galois group
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-22 DOI: 10.1016/j.jnt.2024.10.004
Jonathan Jenvrin
We study the height of generators of Galois extensions of the rationals having the alternating group An as Galois group. We prove that if such generators are obtained from certain, albeit classical, constructions, their height tends to infinity as n increases. This provides an analogue of a result by Amoroso, originally established for the symmetric group.
{"title":"On the height of some generators of Galois extensions with big Galois group","authors":"Jonathan Jenvrin","doi":"10.1016/j.jnt.2024.10.004","DOIUrl":"10.1016/j.jnt.2024.10.004","url":null,"abstract":"<div><div>We study the height of generators of Galois extensions of the rationals having the alternating group <span><math><msub><mrow><mi>A</mi></mrow><mrow><mi>n</mi></mrow></msub></math></span> as Galois group. We prove that if such generators are obtained from certain, albeit classical, constructions, their height tends to infinity as <em>n</em> increases. This provides an analogue of a result by Amoroso, originally established for the symmetric group.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 78-105"},"PeriodicalIF":0.6,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744205","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
A generalization of formal multiple zeta values related to multiple Eisenstein series and multiple q-zeta values
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-22 DOI: 10.1016/j.jnt.2024.09.011
Annika Burmester
We present the τ-invariant balanced quasi-shuffle algebra Gf, whose elements formalize (combinatorial) multiple Eisenstein series as well as multiple q-zeta values. In particular, Gf has natural maps into these two algebras, and we expect these maps to be isomorphisms. Racinet studied the algebra Zf of formal multiple zeta values by examining the corresponding affine scheme DM. Similarly, we present the affine scheme BM corresponding to the algebra Gf. We show that Racinet's affine scheme DM embeds into our affine scheme BM. This leads to a projection from the algebra Gf onto Zf. Via the above natural maps, this projection corresponds to extracting the constant terms of multiple Eisenstein series or the limit q1 of multiple q-zeta values.
{"title":"A generalization of formal multiple zeta values related to multiple Eisenstein series and multiple q-zeta values","authors":"Annika Burmester","doi":"10.1016/j.jnt.2024.09.011","DOIUrl":"10.1016/j.jnt.2024.09.011","url":null,"abstract":"<div><div>We present the <em>τ</em>-invariant balanced quasi-shuffle algebra <span><math><msup><mrow><mi>G</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span>, whose elements formalize (combinatorial) multiple Eisenstein series as well as multiple <em>q</em>-zeta values. In particular, <span><math><msup><mrow><mi>G</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span> has natural maps into these two algebras, and we expect these maps to be isomorphisms. Racinet studied the algebra <span><math><msup><mrow><mi>Z</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span> of formal multiple zeta values by examining the corresponding affine scheme DM. Similarly, we present the affine scheme BM corresponding to the algebra <span><math><msup><mrow><mi>G</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span>. We show that Racinet's affine scheme DM embeds into our affine scheme BM. This leads to a projection from the algebra <span><math><msup><mrow><mi>G</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span> onto <span><math><msup><mrow><mi>Z</mi></mrow><mrow><mi>f</mi></mrow></msup></math></span>. Via the above natural maps, this projection corresponds to extracting the constant terms of multiple Eisenstein series or the limit <span><math><mi>q</mi><mo>→</mo><mn>1</mn></math></span> of multiple <em>q</em>-zeta values.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 106-137"},"PeriodicalIF":0.6,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Uniform boundedness on rational maps with automorphisms
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-20 DOI: 10.1016/j.jnt.2024.09.012
Minsik Han
In this paper, we study the dynamical uniform boundedness conjecture over a family of rational maps with certain nontrivial automorphisms. Specifically, we consider a family of rational maps of an arbitrary degree d2 whose automorphism group contains the cyclic group of order d. We prove that a subfamily of this family satisfies the dynamical uniform boundedness conjecture.
{"title":"Uniform boundedness on rational maps with automorphisms","authors":"Minsik Han","doi":"10.1016/j.jnt.2024.09.012","DOIUrl":"10.1016/j.jnt.2024.09.012","url":null,"abstract":"<div><div>In this paper, we study the dynamical uniform boundedness conjecture over a family of rational maps with certain nontrivial automorphisms. Specifically, we consider a family of rational maps of an arbitrary degree <span><math><mi>d</mi><mo>≥</mo><mn>2</mn></math></span> whose automorphism group contains the cyclic group of order <em>d</em>. We prove that a subfamily of this family satisfies the dynamical uniform boundedness conjecture.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 138-156"},"PeriodicalIF":0.6,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744127","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
Galois actions on Tate modules of Abelian varieties with semi-stable reduction
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-20 DOI: 10.1016/j.jnt.2024.08.008
Khai-Hoan Nguyen-Dang
Let p be a rational prime number, let K denote a finite extension of Qp, K some fixed algebraic closure of K. Let GK be the absolute Galois group of K and let IKGK be its inertial subgroup. Let A be an Abelian variety defined over K, with semi-stable reduction. In this note, we give a criterion for which Vp(A)IK=0, where Vp(A) is the p-adic Tate module associated to A.
{"title":"Galois actions on Tate modules of Abelian varieties with semi-stable reduction","authors":"Khai-Hoan Nguyen-Dang","doi":"10.1016/j.jnt.2024.08.008","DOIUrl":"10.1016/j.jnt.2024.08.008","url":null,"abstract":"<div><div>Let <em>p</em> be a rational prime number, let <em>K</em> denote a finite extension of <span><math><msub><mrow><mi>Q</mi></mrow><mrow><mi>p</mi></mrow></msub></math></span>, <span><math><mover><mrow><mi>K</mi></mrow><mo>‾</mo></mover></math></span> some fixed algebraic closure of <em>K</em>. Let <span><math><msub><mrow><mi>G</mi></mrow><mrow><mi>K</mi></mrow></msub></math></span> be the absolute Galois group of <em>K</em> and let <span><math><msub><mrow><mi>I</mi></mrow><mrow><mi>K</mi></mrow></msub><mo>⊂</mo><msub><mrow><mi>G</mi></mrow><mrow><mi>K</mi></mrow></msub></math></span> be its inertial subgroup. Let <em>A</em> be an Abelian variety defined over <em>K</em>, with semi-stable reduction. In this note, we give a criterion for which <span><math><msub><mrow><mi>V</mi></mrow><mrow><mi>p</mi></mrow></msub><msup><mrow><mo>(</mo><mi>A</mi><mo>)</mo></mrow><mrow><msub><mrow><mi>I</mi></mrow><mrow><mi>K</mi></mrow></msub></mrow></msup><mo>=</mo><mn>0</mn></math></span>, where <span><math><msub><mrow><mi>V</mi></mrow><mrow><mi>p</mi></mrow></msub><mo>(</mo><mi>A</mi><mo>)</mo></math></span> is the <em>p</em>-adic Tate module associated to <em>A</em>.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 247-259"},"PeriodicalIF":0.6,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744085","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
First order Stickelberger modules over imaginary quadratic fields
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-20 DOI: 10.1016/j.jnt.2024.10.005
Saad El Boukhari
Let K/k be a finite abelian extension of number fields of Galois group G with k imaginary quadratic. Let n2 be a rational integer, and for a certain finite set S of places of k, let OK,S be the ring of S-integers of K. We use generalized Stark elements to construct first order Stickelberger modules in odd higher algebraic K-groups of OK,S. We show that the Fitting ideal (resp. index) of these modules inside the corresponding odd K-groups is exactly the Fitting ideal (resp. cardinality) of the even higher algebraic K-group K2n2(OK,S).
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引用次数: 0
Counting wild quartics with prescribed discriminant and Galois closure group
IF 0.6 3区 数学 Q3 MATHEMATICS Pub Date : 2024-11-20 DOI: 10.1016/j.jnt.2024.10.008
Sebastian Monnet
Given a 2-adic field K, we give a formula for the number of totally ramified quartic field extensions L/K with a given discriminant valuation and Galois closure group. We use these formulae to prove refinements of Serre's mass formula, which will have applications to the arithmetic statistics of number fields.
{"title":"Counting wild quartics with prescribed discriminant and Galois closure group","authors":"Sebastian Monnet","doi":"10.1016/j.jnt.2024.10.008","DOIUrl":"10.1016/j.jnt.2024.10.008","url":null,"abstract":"<div><div>Given a 2-adic field <em>K</em>, we give a formula for the number of totally ramified quartic field extensions <span><math><mi>L</mi><mo>/</mo><mi>K</mi></math></span> with a given discriminant valuation and Galois closure group. We use these formulae to prove refinements of Serre's mass formula, which will have applications to the arithmetic statistics of number fields.</div></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"269 ","pages":"Pages 157-202"},"PeriodicalIF":0.6,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Journal of Number Theory
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