{"title":"广义斐波那契数列中的库伦数和伍德尔数","authors":"Attila Bérczes , István Pink , Paul Thomas Young","doi":"10.1016/j.jnt.2024.03.006","DOIUrl":null,"url":null,"abstract":"<div><p>Recently Bilu, Marques and Togbé <span>[4]</span> gave a general effective finiteness result on the equation<span><span><span><math><msubsup><mrow><mi>F</mi></mrow><mrow><mi>n</mi></mrow><mrow><mo>(</mo><mi>k</mi><mo>)</mo></mrow></msubsup><mo>=</mo><msub><mrow><mi>C</mi></mrow><mrow><mi>m</mi></mrow></msub><mo>,</mo></math></span></span></span> where <span><math><msubsup><mrow><mi>F</mi></mrow><mrow><mi>n</mi></mrow><mrow><mo>(</mo><mi>k</mi><mo>)</mo></mrow></msubsup></math></span> denotes the <em>k</em>-generalized Fibonacci-sequence and <span><math><msub><mrow><mi>C</mi></mrow><mrow><mi>m</mi></mrow></msub></math></span> the sequence of Cullen numbers, by giving explicit absolute bounds for <span><math><mi>n</mi><mo>,</mo><mi>k</mi><mo>,</mo><mi>m</mi></math></span>. However, the authors in <span>[4]</span> explained that their bounds were too large to use Dujella-Pethő reduction to completely solve the equation in question. In the present paper, using the bounds established by Bilu, Marques and Togbé in <span>[4]</span> and a different approach based on 2-adic analysis, we completely solve this equation. Further, using the same approach we also solve the corresponding equation for Woodall numbers.</p></div>","PeriodicalId":50110,"journal":{"name":"Journal of Number Theory","volume":"262 ","pages":"Pages 86-102"},"PeriodicalIF":0.6000,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cullen numbers and Woodall numbers in generalized Fibonacci sequences\",\"authors\":\"Attila Bérczes , István Pink , Paul Thomas Young\",\"doi\":\"10.1016/j.jnt.2024.03.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Recently Bilu, Marques and Togbé <span>[4]</span> gave a general effective finiteness result on the equation<span><span><span><math><msubsup><mrow><mi>F</mi></mrow><mrow><mi>n</mi></mrow><mrow><mo>(</mo><mi>k</mi><mo>)</mo></mrow></msubsup><mo>=</mo><msub><mrow><mi>C</mi></mrow><mrow><mi>m</mi></mrow></msub><mo>,</mo></math></span></span></span> where <span><math><msubsup><mrow><mi>F</mi></mrow><mrow><mi>n</mi></mrow><mrow><mo>(</mo><mi>k</mi><mo>)</mo></mrow></msubsup></math></span> denotes the <em>k</em>-generalized Fibonacci-sequence and <span><math><msub><mrow><mi>C</mi></mrow><mrow><mi>m</mi></mrow></msub></math></span> the sequence of Cullen numbers, by giving explicit absolute bounds for <span><math><mi>n</mi><mo>,</mo><mi>k</mi><mo>,</mo><mi>m</mi></math></span>. However, the authors in <span>[4]</span> explained that their bounds were too large to use Dujella-Pethő reduction to completely solve the equation in question. In the present paper, using the bounds established by Bilu, Marques and Togbé in <span>[4]</span> and a different approach based on 2-adic analysis, we completely solve this equation. Further, using the same approach we also solve the corresponding equation for Woodall numbers.</p></div>\",\"PeriodicalId\":50110,\"journal\":{\"name\":\"Journal of Number Theory\",\"volume\":\"262 \",\"pages\":\"Pages 86-102\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2024-04-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Number Theory\",\"FirstCategoryId\":\"100\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0022314X24000799\",\"RegionNum\":3,\"RegionCategory\":\"数学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATHEMATICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Number Theory","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022314X24000799","RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATHEMATICS","Score":null,"Total":0}
Cullen numbers and Woodall numbers in generalized Fibonacci sequences
Recently Bilu, Marques and Togbé [4] gave a general effective finiteness result on the equation where denotes the k-generalized Fibonacci-sequence and the sequence of Cullen numbers, by giving explicit absolute bounds for . However, the authors in [4] explained that their bounds were too large to use Dujella-Pethő reduction to completely solve the equation in question. In the present paper, using the bounds established by Bilu, Marques and Togbé in [4] and a different approach based on 2-adic analysis, we completely solve this equation. Further, using the same approach we also solve the corresponding equation for Woodall numbers.
期刊介绍:
The Journal of Number Theory (JNT) features selected research articles that represent the broad spectrum of interest in contemporary number theory and allied areas. A valuable resource for mathematicians, the journal provides an international forum for the publication of original research in this field.
The Journal of Number Theory is encouraging submissions of quality, long articles where most or all of the technical details are included. The journal now considers and welcomes also papers in Computational Number Theory.
Starting in May 2019, JNT will have a new format with 3 sections:
JNT Prime targets (possibly very long with complete proofs) high impact papers. Articles published in this section will be granted 1 year promotional open access.
JNT General Section is for shorter papers. We particularly encourage submission from junior researchers. Every attempt will be made to expedite the review process for such submissions.
Computational JNT . This section aims to provide a forum to disseminate contributions which make significant use of computer calculations to derive novel number theoretic results. There will be an online repository where supplementary codes and data can be stored.