Sanna, Carlo On the index of appearance of a Lucas sequence. (English) Zbl 07823306 Ramanujan J. 63, No. 4, 1199-1223 (2024). MSC: 11B39 11N05 11N37 PDFBibTeX XMLCite \textit{C. Sanna}, Ramanujan J. 63, No. 4, 1199--1223 (2024; Zbl 07823306) Full Text: DOI arXiv
Faye, Bernadette; Luca, Florian; Ziegler, Volker On a variant of Pillai’s problem with factorials and \(S\)-units. (English) Zbl 07812010 Ramanujan J. 63, No. 3, 773-802 (2024). MSC: 11D61 11D45 11Y50 PDFBibTeX XMLCite \textit{B. Faye} et al., Ramanujan J. 63, No. 3, 773--802 (2024; Zbl 07812010) Full Text: DOI OA License
Khurana, Suraj Singh A closed-form expression for the Euler-Kronecker constant of a quadratic field. (English) Zbl 07796587 Ramanujan J. 63, No. 2, 507-526 (2024). MSC: 11M41 PDFBibTeX XMLCite \textit{S. S. Khurana}, Ramanujan J. 63, No. 2, 507--526 (2024; Zbl 07796587) Full Text: DOI
Leinonen, Leena; Leinonen, Marko On restricted approximation measures of Jacobi’s triple product. (English) Zbl 07791000 Ramanujan J. 63, No. 1, 1-12 (2024). Reviewer: Tanguy Rivoal (Grenoble) MSC: 11J82 PDFBibTeX XMLCite \textit{L. Leinonen} and \textit{M. Leinonen}, Ramanujan J. 63, No. 1, 1--12 (2024; Zbl 07791000) Full Text: DOI OA License
Żmija, Błażej Unusual class of polynomials related to partitions. (English) Zbl 1528.11017 Ramanujan J. 62, No. 4, 1069-1080 (2023). MSC: 11C08 05A15 05A17 11P81 PDFBibTeX XMLCite \textit{B. Żmija}, Ramanujan J. 62, No. 4, 1069--1080 (2023; Zbl 1528.11017) Full Text: DOI OA License
Li, Xixi Polynomization of the Liu-Zhang inequality for the overpartition function. (English) Zbl 1525.05010 Ramanujan J. 62, No. 3, 797-817 (2023). MSC: 05A17 05A20 11P82 PDFBibTeX XMLCite \textit{X. Li}, Ramanujan J. 62, No. 3, 797--817 (2023; Zbl 1525.05010) Full Text: DOI
Chattopadhyay, Jaitra; Saikia, Anupam On the \(p\)-ranks of the ideal class groups of imaginary quadratic fields. (English) Zbl 07743415 Ramanujan J. 62, No. 2, 571-581 (2023). Reviewer: Balasubramanian Sury (Bangalore) MSC: 11R11 11R29 PDFBibTeX XMLCite \textit{J. Chattopadhyay} and \textit{A. Saikia}, Ramanujan J. 62, No. 2, 571--581 (2023; Zbl 07743415) Full Text: DOI arXiv
Bhoi, P. K.; Rout, S. S.; Panda, G. K. Sums of \(S\)-units in sum of terms of recurrence sequences. (English) Zbl 07743410 Ramanujan J. 62, No. 2, 457-468 (2023). MSC: 11B37 11D61 11J86 PDFBibTeX XMLCite \textit{P. K. Bhoi} et al., Ramanujan J. 62, No. 2, 457--468 (2023; Zbl 07743410) Full Text: DOI arXiv
Sobolewski, Bartosz On \(k\)-regularity of sequences of valuations and last non-zero digits. (English) Zbl 1525.11011 Ramanujan J. 61, No. 4, 1151-1195 (2023). Reviewer: Maciej Ulas (Kraków) MSC: 11A63 11B85 11B39 PDFBibTeX XMLCite \textit{B. Sobolewski}, Ramanujan J. 61, No. 4, 1151--1195 (2023; Zbl 1525.11011) Full Text: DOI arXiv
Deshouillers, Jean-Marc; Hassani, Mehdi; Nasiri-Zare, Mohammad On a question of Luca and Schinzel over Segal-Piatetski-Shapiro sequences. (English) Zbl 07713333 Ramanujan J. 61, No. 3, 839-850 (2023). Reviewer: Christoph Aistleitner (Graz) MSC: 11N64 11K31 11K38 11B50 PDFBibTeX XMLCite \textit{J.-M. Deshouillers} et al., Ramanujan J. 61, No. 3, 839--850 (2023; Zbl 07713333) Full Text: DOI arXiv
Edjeou, Bilizimbéyé; Faye, Bernadette; Gómez, Carlos A.; Luca, Florian On \(Y\)-coordinates of Pell equations which are Lucas numbers. (English) Zbl 1506.11043 Ramanujan J. 59, No. 4, 1091-1136 (2022). Reviewer: Mahadi Ddamulira (Kampala) MSC: 11D61 11B39 11D45 PDFBibTeX XMLCite \textit{B. Edjeou} et al., Ramanujan J. 59, No. 4, 1091--1136 (2022; Zbl 1506.11043) Full Text: DOI
Ma, Wu-Xia; Chen, Yong-Gao Congruences for arithmetic functions. (English) Zbl 1493.11012 Ramanujan J. 58, No. 2, 651-666 (2022). Reviewer: Mircea Merca (Cornu de Jos) MSC: 11A25 11A07 11P83 PDFBibTeX XMLCite \textit{W.-X. Ma} and \textit{Y.-G. Chen}, Ramanujan J. 58, No. 2, 651--666 (2022; Zbl 1493.11012) Full Text: DOI
Booker, Andrew R.; Hathi, Shehzad; Mossinghoff, Michael J.; Trudgian, Timothy S. Wolstenholme and Vandiver primes. (English) Zbl 1511.11002 Ramanujan J. 58, No. 3, 913-941 (2022). Reviewer: Amin Witno (Amman) MSC: 11A41 11B65 11B68 11Y40 PDFBibTeX XMLCite \textit{A. R. Booker} et al., Ramanujan J. 58, No. 3, 913--941 (2022; Zbl 1511.11002) Full Text: DOI arXiv
Chattopadhyay, Jaitra; Saikia, Anupam Simultaneous indivisibility of class numbers of pairs of real quadratic fields. (English) Zbl 1502.11109 Ramanujan J. 58, No. 3, 905-911 (2022). Reviewer: James E. Carter (Charleston) MSC: 11R11 11R29 11R23 PDFBibTeX XMLCite \textit{J. Chattopadhyay} and \textit{A. Saikia}, Ramanujan J. 58, No. 3, 905--911 (2022; Zbl 1502.11109) Full Text: DOI arXiv
Zouareg, Yahia; Benoumhani, Moussa On a conjecture of Heim and Neuhauser on some polynomials arising from modular forms and related to Fibonacci polynomials. (English) Zbl 1486.11027 Ramanujan J. 58, No. 1, 183-201 (2022). MSC: 11B39 11B65 26C10 PDFBibTeX XMLCite \textit{Y. Zouareg} and \textit{M. Benoumhani}, Ramanujan J. 58, No. 1, 183--201 (2022; Zbl 1486.11027) Full Text: DOI
Ding, Yuchen; Lü, Xiaodong On sum of prime factors of composite positive integers. (English) Zbl 1498.11192 Ramanujan J. 57, No. 4, 1463-1471 (2022). MSC: 11N25 11A41 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{X. Lü}, Ramanujan J. 57, No. 4, 1463--1471 (2022; Zbl 1498.11192) Full Text: DOI
Bazzanella, Danilo; Di Scala, Antonio; Dutto, Simone; Murru, Nadir Primality tests, linear recurrent sequences and the Pell equation. (English) Zbl 1486.11159 Ramanujan J. 57, No. 2, 755-768 (2022). Reviewer: Juan Tena Ayuso (Valladolid) MSC: 11Y11 11B39 PDFBibTeX XMLCite \textit{D. Bazzanella} et al., Ramanujan J. 57, No. 2, 755--768 (2022; Zbl 1486.11159) Full Text: DOI arXiv
Ddamulira, Mahadi; Luca, Florian On the exponential Diophantine equation related to powers of two consecutive terms of Lucas sequences. (English) Zbl 1481.11020 Ramanujan J. 56, No. 2, 651-684 (2021). Reviewer: Takao Komatsu (Hangzhou) MSC: 11B39 11D61 11J86 PDFBibTeX XMLCite \textit{M. Ddamulira} and \textit{F. Luca}, Ramanujan J. 56, No. 2, 651--684 (2021; Zbl 1481.11020) Full Text: DOI arXiv
Patel, Vandita A Lucas-Lehmer approach to generalised Lebesgue-Ramanujan-Nagell equations. (English) Zbl 1484.11102 Ramanujan J. 56, No. 2, 585-596 (2021). Reviewer: Florian Luca (Johannesburg) MSC: 11D61 11D41 11D59 PDFBibTeX XMLCite \textit{V. Patel}, Ramanujan J. 56, No. 2, 585--596 (2021; Zbl 1484.11102) Full Text: DOI arXiv
Chern, Shane Note on square-root partitions into distinct parts. (English) Zbl 1468.11213 Ramanujan J. 54, No. 2, 449-461 (2021). Reviewer: Mircea Merca (Cornu de Jos) MSC: 11P82 05A17 PDFBibTeX XMLCite \textit{S. Chern}, Ramanujan J. 54, No. 2, 449--461 (2021; Zbl 1468.11213) Full Text: DOI
Ghanmi, Nejib; Abu Muriefah, Fadwa S. On the Diophantine equation \(Cx^2+D=2y^q\). (English) Zbl 1484.11099 Ramanujan J. 53, No. 2, 389-397 (2020). Reviewer: Florian Luca (Johannesburg) MSC: 11D61 11D41 11Y50 PDFBibTeX XMLCite \textit{N. Ghanmi} and \textit{F. S. Abu Muriefah}, Ramanujan J. 53, No. 2, 389--397 (2020; Zbl 1484.11099) Full Text: DOI
Erazo, Harold; Gómez, Carlos A.; Luca, Florian Linear combinations of prime powers in \(X\)-coordinates of Pell equations. (English) Zbl 1485.11027 Ramanujan J. 53, No. 1, 123-137 (2020). Reviewer: Mahadi Ddamulira (Kampala) MSC: 11B39 11D45 11J86 PDFBibTeX XMLCite \textit{H. Erazo} et al., Ramanujan J. 53, No. 1, 123--137 (2020; Zbl 1485.11027) Full Text: DOI
Heim, Bernhard; Neuhauser, Markus Extension of results of Kostant and Han. (English) Zbl 1442.05018 Ramanujan J. 52, No. 3, 491-498 (2020). MSC: 05A17 11C08 11B83 11F20 11F30 PDFBibTeX XMLCite \textit{B. Heim} and \textit{M. Neuhauser}, Ramanujan J. 52, No. 3, 491--498 (2020; Zbl 1442.05018) Full Text: DOI
El-Farrah, Mahannah; Lanphier, Dominic Subgroups of cyclic groups and values of the Riemann zeta function. (English) Zbl 1502.20017 Ramanujan J. 47, No. 3, 547-564 (2018). MSC: 20D60 11A25 11B73 11N45 PDFBibTeX XMLCite \textit{M. El-Farrah} and \textit{D. Lanphier}, Ramanujan J. 47, No. 3, 547--564 (2018; Zbl 1502.20017) Full Text: DOI
Elsholtz, Christian; Luca, Florian; Planitzer, Stefan Romanov type problems. (English) Zbl 1451.11106 Ramanujan J. 47, No. 2, 267-289 (2018). MSC: 11P32 11A07 11A41 11N36 PDFBibTeX XMLCite \textit{C. Elsholtz} et al., Ramanujan J. 47, No. 2, 267--289 (2018; Zbl 1451.11106) Full Text: DOI
Kim, Sungjin The average number of divisors of the Euler function. (English) Zbl 1456.11183 Ramanujan J. 47, No. 1, 155-183 (2018). Reviewer: Florian Luca (Johannesburg) MSC: 11N37 PDFBibTeX XMLCite \textit{S. Kim}, Ramanujan J. 47, No. 1, 155--183 (2018; Zbl 1456.11183) Full Text: DOI arXiv
Bérczes, Attila; Bilu, Yuri F.; Luca, Florian Diophantine equations with products of consecutive members of binary recurrences. (English) Zbl 1431.11045 Ramanujan J. 46, No. 1, 49-75 (2018). MSC: 11D61 11B39 11J86 PDFBibTeX XMLCite \textit{A. Bérczes} et al., Ramanujan J. 46, No. 1, 49--75 (2018; Zbl 1431.11045) Full Text: DOI Link
Bašić, Bojan The existence of \(n\)-flimsy numbers in a given base. (English) Zbl 1421.11011 Ramanujan J. 43, No. 2, 359-369 (2017). MSC: 11A63 PDFBibTeX XMLCite \textit{B. Bašić}, Ramanujan J. 43, No. 2, 359--369 (2017; Zbl 1421.11011) Full Text: DOI
Stoll, Thomas Combinatorial constructions for the Zeckendorf sum of digits of polynomial values. (English) Zbl 1356.11007 Ramanujan J. 32, No. 2, 227-243 (2013). MSC: 11A63 11B39 11N56 PDFBibTeX XMLCite \textit{T. Stoll}, Ramanujan J. 32, No. 2, 227--243 (2013; Zbl 1356.11007) Full Text: DOI HAL
Subburam, S. On the positive integral solutions of the Diophantine equation \(x^3 + by + 1 - xyz = 0\). (English) Zbl 1369.11025 Ramanujan J. 32, No. 2, 203-219 (2013). MSC: 11D25 11D45 PDFBibTeX XMLCite \textit{S. Subburam}, Ramanujan J. 32, No. 2, 203--219 (2013; Zbl 1369.11025) Full Text: DOI
Luca, Florian On the largest prime factor of the partition function of \(n\). (English) Zbl 1286.11158 Ramanujan J. 28, No. 3, 423-434 (2012). MSC: 11P81 11A05 11N25 PDFBibTeX XMLCite \textit{F. Luca}, Ramanujan J. 28, No. 3, 423--434 (2012; Zbl 1286.11158) Full Text: DOI
Grynkiewicz, David J.; Marchan, Luz Elimar; Ordaz, Oscar A weighted generalization of two theorems of Gao. (English) Zbl 1320.11019 Ramanujan J. 28, No. 3, 323-340 (2012). MSC: 11B75 PDFBibTeX XMLCite \textit{D. J. Grynkiewicz} et al., Ramanujan J. 28, No. 3, 323--340 (2012; Zbl 1320.11019) Full Text: DOI arXiv
Cilleruelo, Javier; Luca, Florian Fibonacci lattice points. (English) Zbl 1268.11142 Ramanujan J. 22, No. 3, 285-292 (2010). MSC: 11P21 11B39 PDFBibTeX XMLCite \textit{J. Cilleruelo} and \textit{F. Luca}, Ramanujan J. 22, No. 3, 285--292 (2010; Zbl 1268.11142) Full Text: DOI Link
Byeon, Dongho Quadratic fields with noncyclic 5- or 7-class groups. (English) Zbl 1195.11143 Ramanujan J. 19, No. 1, 71-77 (2009). Reviewer: Florin Nicolae (Berlin) MSC: 11R11 11R29 PDFBibTeX XMLCite \textit{D. Byeon}, Ramanujan J. 19, No. 1, 71--77 (2009; Zbl 1195.11143) Full Text: DOI
Helou, C.; Haddad, L. A note on a problem of Brocard-Ramanujan. (English) Zbl 1213.11083 Ramanujan J. 17, No. 2, 155-161 (2008). MSC: 11D85 11A15 PDFBibTeX XMLCite \textit{C. Helou} and \textit{L. Haddad}, Ramanujan J. 17, No. 2, 155--161 (2008; Zbl 1213.11083) Full Text: DOI
Dujella, Andrej On the number of Diophantine \(m\)-tuples. (English) Zbl 1142.11013 Ramanujan J. 15, No. 1, 37-46 (2008). Reviewer: Volker Ziegler (Graz) MSC: 11D09 11D45 11N56 PDFBibTeX XMLCite \textit{A. Dujella}, Ramanujan J. 15, No. 1, 37--46 (2008; Zbl 1142.11013) Full Text: DOI
Banks, William D.; Luca, Florian; Shparlinski, Igor E. Estimates for Wieferich numbers. (English) Zbl 1138.11002 Ramanujan J. 14, No. 3, 361-378 (2007). Reviewer: Pieter Moree (Bonn) MSC: 11A07 11N25 PDFBibTeX XMLCite \textit{W. D. Banks} et al., Ramanujan J. 14, No. 3, 361--378 (2007; Zbl 1138.11002) Full Text: DOI
Luca, Florian Some mean values related to average multiplicative orders of elements in finite fields. (English) Zbl 1155.11344 Ramanujan J. 9, No. 1-2, 33-44 (2005). Reviewer: Olaf Ninnemann (Berlin) MSC: 11N45 05A16 PDFBibTeX XMLCite \textit{F. Luca}, Ramanujan J. 9, No. 1--2, 33--44 (2005; Zbl 1155.11344) Full Text: DOI