Pub Date : 2024-05-30DOI: 10.1142/s1793042124500982
SoYoung Choi
We prove that for even integer , almost all of zeros of the period polynomial associated to a cusp form of weight on are on the circle under some conditions.
我们证明,对于偶数整数 k,在某些条件下,Γ0(N) 上与权重为 k 的尖顶形式相关的周期多项式的几乎所有零点都位于圆 |z|=1/N 上。
{"title":"Riemann hypothesis for period polynomials for cusp forms on Γ0(N)","authors":"SoYoung Choi","doi":"10.1142/s1793042124500982","DOIUrl":"https://doi.org/10.1142/s1793042124500982","url":null,"abstract":"<p>We prove that for even integer <span><math altimg=\"eq-00003.gif\" display=\"inline\"><mi>k</mi></math></span><span></span>, almost all of zeros of the period polynomial associated to a cusp form of weight <span><math altimg=\"eq-00004.gif\" display=\"inline\"><mi>k</mi></math></span><span></span> on <span><math altimg=\"eq-00005.gif\" display=\"inline\"><msub><mrow><mi mathvariant=\"normal\">Γ</mi></mrow><mrow><mn>0</mn></mrow></msub><mo stretchy=\"false\">(</mo><mi>N</mi><mo stretchy=\"false\">)</mo></math></span><span></span> are on the circle <span><math altimg=\"eq-00006.gif\" display=\"inline\"><mo>|</mo><mi>z</mi><mo>|</mo><mo>=</mo><mn>1</mn><mo stretchy=\"false\">/</mo><msqrt><mrow><mi>N</mi></mrow></msqrt></math></span><span></span> under some conditions.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"18 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141253809","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}
Pub Date : 2024-05-29DOI: 10.1142/s1793042124501045
Narasimha Kumar, Satyabrat Sahoo
In this paper, we study Lehmer-type bounds for the Néron–Tate height of -points on abelian varieties over number fields . Then, we estimate the number of -rational points on with Néron–Tate height for . This estimate involves a constant , which is not explicit. However, for elliptic curves and the product of elliptic curves over , we make the constant explicitly computable.
在本文中,我们研究了数域 K 上的无性变项 A 上 K̄ 点的奈伦-塔特高度的雷默型边界。然后,我们估计了 B≫0 时 A 上奈伦-塔特高度≤logB 的 K 有理点的数量。这个估计涉及一个常数 C,它并不明确。然而,对于椭圆曲线和 K 上的椭圆曲线乘积,我们可以明确地计算这个常数。
{"title":"Lehmer-type bounds and counting rational points of bounded heights on Abelian varieties","authors":"Narasimha Kumar, Satyabrat Sahoo","doi":"10.1142/s1793042124501045","DOIUrl":"https://doi.org/10.1142/s1793042124501045","url":null,"abstract":"<p>In this paper, we study Lehmer-type bounds for the Néron–Tate height of <span><math altimg=\"eq-00001.gif\" display=\"inline\"><mover accent=\"true\"><mrow><mi>K</mi></mrow><mo>̄</mo></mover></math></span><span></span>-points on abelian varieties <span><math altimg=\"eq-00002.gif\" display=\"inline\"><mi>A</mi></math></span><span></span> over number fields <span><math altimg=\"eq-00003.gif\" display=\"inline\"><mi>K</mi></math></span><span></span>. Then, we estimate the number of <span><math altimg=\"eq-00004.gif\" display=\"inline\"><mi>K</mi></math></span><span></span>-rational points on <span><math altimg=\"eq-00005.gif\" display=\"inline\"><mi>A</mi></math></span><span></span> with Néron–Tate height <span><math altimg=\"eq-00006.gif\" display=\"inline\"><mo>≤</mo><mo>log</mo><mi>B</mi></math></span><span></span> for <span><math altimg=\"eq-00007.gif\" display=\"inline\"><mi>B</mi><mo>≫</mo><mn>0</mn></math></span><span></span>. This estimate involves a constant <span><math altimg=\"eq-00008.gif\" display=\"inline\"><mi>C</mi></math></span><span></span>, which is not explicit. However, for elliptic curves and the product of elliptic curves over <span><math altimg=\"eq-00009.gif\" display=\"inline\"><mi>K</mi></math></span><span></span>, we make the constant explicitly computable.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"41 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141253929","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}
Pub Date : 2024-05-29DOI: 10.1142/s1793042124500970
Mohammad Sadek, Mohamed Wafik, Tuğba Yesin
Let be a polynomial with integer coefficients whose degree is at least 2. We consider the problem of covering the orbit , where is an integer, using arithmetic progressions each of which contains . Fixing an integer , we prove that it is impossible to cover using such arithmetic progressions unless is contained in one of these progressions. In fact, we show that the relative density of terms covered by such arithmetic progressions in is uniformly bounded from above by a bound that depends solely on . In addition, the latter relative density can be made as close as desired to by an appropriate choice of arithmetic progressions containing if is allowed to be large enough.
我们考虑的问题是用算术级数覆盖轨道 Orbf(t)={t,f(t),f(f(t)),...},其中 t 是整数,而每个算术级数都包含 t。固定整数 k≥2,我们证明除非 Orbf(t) 包含在其中一个算术级数中,否则不可能用 k 个这样的算术级数覆盖 Orbf(t)。事实上,我们证明了在 Orbf(t) 中,由 k 个这样的算术级数所覆盖的项的相对密度是由一个完全取决于 k 的约束从上均匀限定的。
{"title":"Arithmetic progressions in polynomial orbits","authors":"Mohammad Sadek, Mohamed Wafik, Tuğba Yesin","doi":"10.1142/s1793042124500970","DOIUrl":"https://doi.org/10.1142/s1793042124500970","url":null,"abstract":"<p>Let <span><math altimg=\"eq-00001.gif\" display=\"inline\"><mi>f</mi></math></span><span></span> be a polynomial with integer coefficients whose degree is at least 2. We consider the problem of covering the orbit <span><math altimg=\"eq-00002.gif\" display=\"inline\"><msub><mrow><mo>Orb</mo></mrow><mrow><mi>f</mi></mrow></msub><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo><mo>=</mo><mo stretchy=\"false\">{</mo><mi>t</mi><mo>,</mo><mi>f</mi><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo><mo>,</mo><mi>f</mi><mo stretchy=\"false\">(</mo><mi>f</mi><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo><mo stretchy=\"false\">)</mo><mo>,</mo><mo>…</mo><mo stretchy=\"false\">}</mo></math></span><span></span>, where <span><math altimg=\"eq-00003.gif\" display=\"inline\"><mi>t</mi></math></span><span></span> is an integer, using arithmetic progressions each of which contains <span><math altimg=\"eq-00004.gif\" display=\"inline\"><mi>t</mi></math></span><span></span>. Fixing an integer <span><math altimg=\"eq-00005.gif\" display=\"inline\"><mi>k</mi><mo>≥</mo><mn>2</mn></math></span><span></span>, we prove that it is impossible to cover <span><math altimg=\"eq-00006.gif\" display=\"inline\"><msub><mrow><mo>Orb</mo></mrow><mrow><mi>f</mi></mrow></msub><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo></math></span><span></span> using <span><math altimg=\"eq-00007.gif\" display=\"inline\"><mi>k</mi></math></span><span></span> such arithmetic progressions unless <span><math altimg=\"eq-00008.gif\" display=\"inline\"><msub><mrow><mo>Orb</mo></mrow><mrow><mi>f</mi></mrow></msub><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo></math></span><span></span> is contained in one of these progressions. In fact, we show that the relative density of terms covered by <span><math altimg=\"eq-00009.gif\" display=\"inline\"><mi>k</mi></math></span><span></span> such arithmetic progressions in <span><math altimg=\"eq-00010.gif\" display=\"inline\"><msub><mrow><mo>Orb</mo></mrow><mrow><mi>f</mi></mrow></msub><mo stretchy=\"false\">(</mo><mi>t</mi><mo stretchy=\"false\">)</mo></math></span><span></span> is uniformly bounded from above by a bound that depends solely on <span><math altimg=\"eq-00011.gif\" display=\"inline\"><mi>k</mi></math></span><span></span>. In addition, the latter relative density can be made as close as desired to <span><math altimg=\"eq-00012.gif\" display=\"inline\"><mn>1</mn></math></span><span></span> by an appropriate choice of <span><math altimg=\"eq-00013.gif\" display=\"inline\"><mi>k</mi></math></span><span></span> arithmetic progressions containing <span><math altimg=\"eq-00014.gif\" display=\"inline\"><mi>t</mi></math></span><span></span> if <span><math altimg=\"eq-00015.gif\" display=\"inline\"><mi>k</mi></math></span><span></span> is allowed to be large enough.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"34 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141253805","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}
Pub Date : 2024-05-17DOI: 10.1142/s1793042124500933
Wei Zhang
In this paper, we study mean values for exponential sums of divisor functions. We improve previous results of [M. Pandey, Moment estimates for the exponential sum with higher divisor functions, C. R. Math. Acad. Sci. Paris360 (2022) 419–424].
本文研究除数函数指数和的均值。我们改进了之前的结果 [M.Pandey, Moment estimates for the exponential sum with higher divisor functions, C. R. Math. Acad.Acad.Paris360 (2022) 419-424].
{"title":"On mean values for the exponential sum of divisor functions","authors":"Wei Zhang","doi":"10.1142/s1793042124500933","DOIUrl":"https://doi.org/10.1142/s1793042124500933","url":null,"abstract":"<p>In this paper, we study mean values for exponential sums of divisor functions. We improve previous results of [M. Pandey, Moment estimates for the exponential sum with higher divisor functions, <i>C. R. Math. Acad. Sci. Paris</i><b>360</b> (2022) 419–424].</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"44 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141146381","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}
Pub Date : 2024-04-27DOI: 10.1142/s1793042124500544
B. Ramakrishnan, Brundaban Sahu, Anup Kumar Singh
<p>In this paper, we use the theory of modular forms and give a general method to obtain the convolution sums <disp-formula-group><span><math altimg="eq-00001.gif" display="block" overflow="scroll"><mrow><msubsup><mrow><mi>W</mi></mrow><mrow><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow></msubsup><mo stretchy="false">(</mo><mi>n</mi><mo stretchy="false">)</mo><mo>=</mo><munder><mrow><mo>∑</mo></mrow><mrow><mfrac linethickness="0"><mrow><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>∈</mo><mi>ℕ</mi></mrow><mrow><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo stretchy="false">+</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo stretchy="false">+</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>=</mo><mi>n</mi></mrow></mfrac></mrow></munder><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></msub><mo stretchy="false">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo stretchy="false">)</mo><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></msub><mo stretchy="false">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo stretchy="false">)</mo><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow></msub><mo stretchy="false">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo stretchy="false">)</mo><mo>,</mo></mrow></math></span><span></span></disp-formula-group> for odd integers <span><math altimg="eq-00002.gif" display="inline" overflow="scroll"><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>≥</mo><mn>1</mn><mo>,</mo><mspace width="0.25em"></mspace></math></span><span></span> and <span><math altimg="eq-00003.gif" display="inline" overflow="scroll"><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>,</mo><mi>n</mi><mo>∈</mo><mi>ℕ</mi></math></span><span></span>, where <span><math altimg="eq-00004.gif" display="inline" overf
{"title":"Explicit evaluation of triple convolution sums of the divisor functions","authors":"B. Ramakrishnan, Brundaban Sahu, Anup Kumar Singh","doi":"10.1142/s1793042124500544","DOIUrl":"https://doi.org/10.1142/s1793042124500544","url":null,"abstract":"<p>In this paper, we use the theory of modular forms and give a general method to obtain the convolution sums <disp-formula-group><span><math altimg=\"eq-00001.gif\" display=\"block\" overflow=\"scroll\"><mrow><msubsup><mrow><mi>W</mi></mrow><mrow><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow></msubsup><mo stretchy=\"false\">(</mo><mi>n</mi><mo stretchy=\"false\">)</mo><mo>=</mo><munder><mrow><mo>∑</mo></mrow><mrow><mfrac linethickness=\"0\"><mrow><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>∈</mo><mi>ℕ</mi></mrow><mrow><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo stretchy=\"false\">+</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo stretchy=\"false\">+</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>=</mo><mi>n</mi></mrow></mfrac></mrow></munder><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></msub><mo stretchy=\"false\">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>1</mn></mrow></msub><mo stretchy=\"false\">)</mo><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></msub><mo stretchy=\"false\">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>2</mn></mrow></msub><mo stretchy=\"false\">)</mo><msub><mrow><mi>σ</mi></mrow><mrow><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub></mrow></msub><mo stretchy=\"false\">(</mo><msub><mrow><mi>l</mi></mrow><mrow><mn>3</mn></mrow></msub><mo stretchy=\"false\">)</mo><mo>,</mo></mrow></math></span><span></span></disp-formula-group> for odd integers <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>r</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>r</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>≥</mo><mn>1</mn><mo>,</mo><mspace width=\"0.25em\"></mspace></math></span><span></span> and <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>d</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>d</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>,</mo><mi>n</mi><mo>∈</mo><mi>ℕ</mi></math></span><span></span>, where <span><math altimg=\"eq-00004.gif\" display=\"inline\" overf","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"60 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833094","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}
Pub Date : 2024-04-27DOI: 10.1142/s1793042124500532
Tangli Ge
In this paper, we extend a uniformity result of Dimitrov et al. [Uniformity in Mordell-Lang for curves, Ann. of Math. (2) 194(1) (2021) 237–298] to dimension two and use it to get a uniform bound on the cardinality of the set of all quadratic points for non-hyperelliptic non-bielliptic curves which only depend on the Mordell–Weil rank, the genus of the curve and the degree of the number field.
在本文中,我们将 Dimitrov 等人[Uniformity in Mordell-Lang for curves, Ann. of Math. (2) 194(1) (2021) 237-298] 的统一性结果扩展到维数二,并利用它得到了非全椭圆非双曲曲线所有二次点集合的心数的统一约束,该约束只取决于莫德尔-韦尔等级、曲线的属和数域的度。
{"title":"Uniformity of quadratic points","authors":"Tangli Ge","doi":"10.1142/s1793042124500532","DOIUrl":"https://doi.org/10.1142/s1793042124500532","url":null,"abstract":"<p>In this paper, we extend a uniformity result of Dimitrov <i>et al.</i> [Uniformity in Mordell-Lang for curves, <i>Ann. of Math.</i> (<i>2</i>) <b>194</b>(1) (2021) 237–298] to dimension two and use it to get a uniform bound on the cardinality of the set of all quadratic points for non-hyperelliptic non-bielliptic curves which only depend on the Mordell–Weil rank, the genus of the curve and the degree of the number field.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"56 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833108","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}
Pub Date : 2024-04-27DOI: 10.1142/s1793042124500611
Shun Ishii
In this paper, we study a Drinfeld module analogue of the Uniform Boundedness Conjecture on the torsion of abelian varieties. As a result, we prove the -primary Uniform Boundedness Conjecture for one-dimensional families of Drinfeld modules of arbitrary rank, which extends a result of Poonen. This result can be regarded as a Drinfeld module analogue of the Cadoret–Tamagawa’s result on the -primary Uniform Boundedness Conjecture for one-dimensional families of abelian varieties.
在本文中,我们研究了关于无性变体扭转的统一有界性猜想的德林费尔德模块类比。结果,我们证明了任意秩的 Drinfeld 模块一维族的𝔭-主均匀有界猜想,这扩展了 Poonen 的一个结果。这一结果可以看作是加多雷-玉川关于无性变体一维族 p 主均匀有界猜想结果的德林费尔德模类似物。
{"title":"The 𝔭-primary uniform boundedness conjecture for Drinfeld modules","authors":"Shun Ishii","doi":"10.1142/s1793042124500611","DOIUrl":"https://doi.org/10.1142/s1793042124500611","url":null,"abstract":"<p>In this paper, we study a Drinfeld module analogue of the Uniform Boundedness Conjecture on the torsion of abelian varieties. As a result, we prove the <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>𝔭</mi></math></span><span></span>-primary Uniform Boundedness Conjecture for one-dimensional families of Drinfeld modules of arbitrary rank, which extends a result of Poonen. This result can be regarded as a Drinfeld module analogue of the Cadoret–Tamagawa’s result on the <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><mi>p</mi></math></span><span></span>-primary Uniform Boundedness Conjecture for one-dimensional families of abelian varieties.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"18 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833113","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}
Pub Date : 2024-04-27DOI: 10.1142/s1793042124500507
Kush Singhal
In this paper, near-miss identities for the number of representations of some integral ternary quadratic forms with congruence conditions are found and proven. The genus and spinor genus of the corresponding lattice cosets are then classified. Finally, a complete genus and spinor genus classification for all conductor 2 lattice cosets of 2-adically unimodular lattices is given.
{"title":"Near-miss identities and spinor genus classification of ternary quadratic forms with congruence conditions","authors":"Kush Singhal","doi":"10.1142/s1793042124500507","DOIUrl":"https://doi.org/10.1142/s1793042124500507","url":null,"abstract":"<p>In this paper, near-miss identities for the number of representations of some integral ternary quadratic forms with congruence conditions are found and proven. The genus and spinor genus of the corresponding lattice cosets are then classified. Finally, a complete genus and spinor genus classification for all conductor 2 lattice cosets of 2-adically unimodular lattices is given.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"25 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833165","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}
Pub Date : 2024-04-25DOI: 10.1142/s1793042124500520
William D. Banks
The methods of Korobov and Vinogradov produce a zero-free region for the Riemann zeta function of the form For many decades, the general shape of the zero-free region has not changed (although explicit known values for have improved over the years). In this paper, we show that if the zero-free region cannot be widened substantially, then there exist infinitely many distinct dense clusters of zeros of lying close to the edge of the zero-free region. Our proof provides specific information about the location of these clusters and the number of zeros contained in them. To prove the result, we introduce and apply a variant of the original method of de la Vallée Poussin combined with ideas of Turán to control the real parts of power sums. We also prove similar results for -functions associated to nonquadratic Dirichlet characters modulo .
科罗博夫和维诺格拉多夫的方法为黎曼zeta函数ζ(s) 得出了一个无零区域,其形式为 σ>1-c(logτ)2/3(loglogτ)1/3(τ≔|t|+100)。几十年来,无零区域的一般形状一直未变(尽管已知的明确 c 值多年来有所改进)。在本文中,我们证明了如果无零区域不能被大幅拓宽,那么就存在无限多个靠近无零区域边缘的ζ(s)零点密集簇。我们的证明提供了关于这些簇的位置和其中包含的零点数量的具体信息。为了证明这一结果,我们引入并应用了 de la Vallée Poussin 最初方法的变体,并结合图兰的思想来控制幂和的实部。我们还证明了与非二次迪里夏特字符 χ modulo q≥2 相关的 L 函数的类似结果。
{"title":"Dense clusters of zeros near the zero-free region of ζ(s)","authors":"William D. Banks","doi":"10.1142/s1793042124500520","DOIUrl":"https://doi.org/10.1142/s1793042124500520","url":null,"abstract":"<p>The methods of Korobov and Vinogradov produce a zero-free region for the Riemann zeta function <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>ζ</mi><mo stretchy=\"false\">(</mo><mi>s</mi><mo stretchy=\"false\">)</mo></math></span><span></span> of the form <disp-formula-group><span><math altimg=\"eq-00004.gif\" display=\"block\" overflow=\"scroll\"><mrow><mi>σ</mi><mo>></mo><mn>1</mn><mo stretchy=\"false\">−</mo><mfrac><mrow><mi>c</mi></mrow><mrow><msup><mrow><mo stretchy=\"false\">(</mo><mo>log</mo><mi>τ</mi><mo stretchy=\"false\">)</mo></mrow><mrow><mn>2</mn><mo stretchy=\"false\">/</mo><mn>3</mn></mrow></msup><msup><mrow><mo stretchy=\"false\">(</mo><mo>log</mo><mo>log</mo><mi>τ</mi><mo stretchy=\"false\">)</mo></mrow><mrow><mn>1</mn><mo stretchy=\"false\">/</mo><mn>3</mn></mrow></msup></mrow></mfrac><mspace width=\"1em\"></mspace><mo stretchy=\"false\">(</mo><mi>τ</mi><mo>≔</mo><mo stretchy=\"false\">|</mo><mi>t</mi><mo stretchy=\"false\">|</mo><mo stretchy=\"false\">+</mo><mn>1</mn><mn>0</mn><mn>0</mn><mo stretchy=\"false\">)</mo><mo>.</mo></mrow></math></span><span></span></disp-formula-group> For many decades, the general shape of the zero-free region has not changed (although explicit known values for <span><math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"><mi>c</mi></math></span><span></span> have improved over the years). In this paper, we show that if the zero-free region <i>cannot</i> be widened substantially, then there exist infinitely many distinct dense clusters of zeros of <span><math altimg=\"eq-00006.gif\" display=\"inline\" overflow=\"scroll\"><mi>ζ</mi><mo stretchy=\"false\">(</mo><mi>s</mi><mo stretchy=\"false\">)</mo></math></span><span></span> lying close to the edge of the zero-free region. Our proof provides specific information about the location of these clusters and the number of zeros contained in them. To prove the result, we introduce and apply a variant of the original method of de la Vallée Poussin combined with ideas of Turán to control the real parts of power sums. We also prove similar results for <span><math altimg=\"eq-00007.gif\" display=\"inline\" overflow=\"scroll\"><mi>L</mi></math></span><span></span>-functions associated to <i>nonquadratic</i> Dirichlet characters <span><math altimg=\"eq-00008.gif\" display=\"inline\" overflow=\"scroll\"><mi>χ</mi></math></span><span></span> modulo <span><math altimg=\"eq-00009.gif\" display=\"inline\" overflow=\"scroll\"><mi>q</mi><mo>≥</mo><mn>2</mn></math></span><span></span>.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"51 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140800385","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}
Pub Date : 2024-04-25DOI: 10.1142/s1793042124500647
Gerold Schefer
For every algebraic number on the unit circle which is not a root of unity we prove the existence of a strict sequence of algebraic numbers whose height tends to zero, such that the averages of the evaluation of at the conjugates are essentially bounded from above by . This completes a characterization on functions initiated by Autissier and Baker–Masser, who cover the cases and , respectively. Using the same ideas we also prove analogues in the -adic setting.
{"title":"A note on logarithmic equidistribution","authors":"Gerold Schefer","doi":"10.1142/s1793042124500647","DOIUrl":"https://doi.org/10.1142/s1793042124500647","url":null,"abstract":"<p>For every algebraic number <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>κ</mi></math></span><span></span> on the unit circle which is not a root of unity we prove the existence of a strict sequence of algebraic numbers whose height tends to zero, such that the averages of the evaluation of <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>f</mi></mrow><mrow><mi>κ</mi></mrow></msub><mo stretchy=\"false\">(</mo><mi>z</mi><mo stretchy=\"false\">)</mo><mo>=</mo><mo>log</mo><mspace width=\"-.17em\"></mspace><mo>|</mo><mi>z</mi><mo stretchy=\"false\">−</mo><mi>κ</mi><mo>|</mo></math></span><span></span> at the conjugates are essentially bounded from above by <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mo stretchy=\"false\">−</mo><mi>h</mi><mo stretchy=\"false\">(</mo><mi>κ</mi><mo stretchy=\"false\">)</mo></math></span><span></span>. This completes a characterization on functions <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow><mi>f</mi></mrow><mrow><mi>κ</mi></mrow></msub></math></span><span></span> initiated by Autissier and Baker–Masser, who cover the cases <span><math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"><mi>κ</mi><mo>=</mo><mn>2</mn></math></span><span></span> and <span><math altimg=\"eq-00006.gif\" display=\"inline\" overflow=\"scroll\"><mo>|</mo><mi>κ</mi><mo>|</mo><mo>≠</mo><mn>1</mn></math></span><span></span>, respectively. Using the same ideas we also prove analogues in the <span><math altimg=\"eq-00007.gif\" display=\"inline\" overflow=\"scroll\"><mi>p</mi></math></span><span></span>-adic setting.</p>","PeriodicalId":14293,"journal":{"name":"International Journal of Number Theory","volume":"27 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140800310","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}