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Wong, Peng-Jie
- Base Change, Tensor Product and the Birch-Swinnerton-Dyer Conjecture
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1 Department of Mathematics, Queen’s University, Kingston, Ontario K7L 3N6, CA
1 Department of Mathematics, Queen’s University, Kingston, Ontario K7L 3N6, CA
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Journal of the Ramanujan Mathematical Society, Vol 33, No 1 (2018), Pagination: 99–109Abstract
We prove the Rankin-Selberg convolution of two cuspidal automorphic representations are automorphic whenever one of them arises from an irreducible representation of an abelian-by-nilpotent Galois extension, which extends the previous result of Arthur-Clozel. Moreover, if one of such representations is of dimension at most 2 and another representation arises from a nearly nilpotent extension or a Galois extension of degree at most 59, the automorphy of the Rankin-Selberg convolution has been derived. As an application, we show that certain quotients of L-functions associated to non-CM elliptic curves are automorphic, which generalises a result of M. R. Murty and V. K. Murty.References
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- M. R. Murty and V. K. Murty, Base change and the Birch-Swinnerton-Dyer conjecture, A tribute to Emil Grosswald: number theory and related analysis, Contemp. Math., 143, 481–494., Amer. Math. Soc., Providence, RI (1993).
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- P.-J. Wong, A variant of Heilbronn characters, International Journal of Number Theory, 13 (2017) no. 6, 1547–1570.
- P.-J. Wong, Langlands reciprocity for certain Galois extensions, Journal of Number Theory, 178 (2017) 126–145.
- The Chebotarev Density Theorem and the Pair Correlation Conjecture
Abstract Views :176 |
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Authors
Affiliations
1 Department of Mathematics and Statistics, Queen’s University, Kingston, Ontario K7L 3N6, CA
2 Department of Mathematics, University of Toronto, Toronto, Ontario M5S 2E4, CA
1 Department of Mathematics and Statistics, Queen’s University, Kingston, Ontario K7L 3N6, CA
2 Department of Mathematics, University of Toronto, Toronto, Ontario M5S 2E4, CA
Source
Journal of the Ramanujan Mathematical Society, Vol 33, No 4 (2018), Pagination: 399-426Abstract
In this note, we formulate pair correlation conjectures and refine the effective version of the Chebotarev density theorem established by the first two authors. Also, we apply our result to study Artin’s primitive ischolar_main conjecture and the Lang-Trotter conjectures and obtain shaper error terms.References
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- A. C. Cojocaru, E. Fouvry and M. R. Murty, The square sieve and the Lang-Trotter conjecture, Canadian Journal of Math., 57, (2005) no. 6, 1155–1177.
- A. C. Cojocaru and M. R. Murty, Cyclicity of elliptic curves modulo p and elliptic curve analogues of Linnik’s problem, Math. Annalen, 330 (2004) no. 3, 601–625.
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- M. R. Murty, On Artin’s conjecture, Journal of Number Theory, 16 (1983) 147–168.
- M. R. Murty, V. K. Murty, and N. Saradha,Modular forms and the Chebotarev density theorem, American Journal of Math., 110 (1988) 253–281.
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- Zeros of Dedekind Zeta Functions and Holomorphy of Artin L-Functions
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Authors
Affiliations
1 Department of Mathematics, Queen’s University, Kingston, Ontario K7L 3N6, CA
1 Department of Mathematics, Queen’s University, Kingston, Ontario K7L 3N6, CA
Source
Journal of the Ramanujan Mathematical Society, Vol 34, No 2 (2019), Pagination: 253-261Abstract
For any Galois extension K/k of number fields, we show that every Artin L-function for Gal(K/k) is holomorphic at s = s0 ≠= 1 whenever the quotient ζK (s)/ζk (s) of Dedekind zeta functions has a zero of order at most max{2, p2 − 2} at s = s0 (here p2 stands for the second smallest prime divisor of [K : k]). This result gives a refinement of the previous work of Foote and V. K. Murty.References
- E. Artin, Uber eine neue Art von L-Reihen, Hamb. Abh. 3 (1924) 89–108. (Cf. Collected Papers, 105-124, Addison-Wesley, Reading, 1965.)
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- R. Brauer, On Artin’s L-series with general group characters, Ann. of Math., 48 (1947) 502–514.
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- R. Foote and D. Wales, Zeros of order 2 of Dedekind zeta-functions and Artin’s conjecture, J. Algebra, 131 (1990) 226–257.
- I. M. Isaacs, Character theory of finite groups, Dover, New York (1994).
- I. M. Isaacs, Finite group theory, Amer. Math. Soc. (2008).
- C. Khare and J.-P. Wintenberger, Serre’s modularity conjecture (I), Inventiones Mathematicae, 178(3) (2009) 485–504.
- R. P. Langlands, Base change for GL(2), Annals of Math. Studies 96, Princeton Univ. Press (1980).
- K. Martin, A symplectic case of Artin’s conjecture, Math. Res. Lett., 10 no. 4, (2003) 483–492.
- M. R. Murty and A. Raghuram, Variations on a conjecture of Dedekind, Journal of the Ramanujan Math. Society, 15 no. 2, (2000) 75–95.
- D. Ramakrishnan, Modularity of solvable Artin representations of GO(4)-type, Int. Math. Res. Not., no. 1, (2002) 1–54.
- W. R. Scott, Group theory, Dover, New York (1987).
- J. Tunnell, Artin’s conjecture for representations of octahedral type, Bull. Amer. Math. Soc. N. S., 5(2) (1981) 173–175.
- K. Uchida, On Artin’s L-functions, Tohoku Math. J., 27 (1975) 75–81.
- R. W. van der Waall, On a conjecture of Dedekind on zeta functions, Indag. Math., 37 (1975) 83–86.
- M. Weinstein (ed.), Between Nilpotent and Solvable, Polygonal Publishing House (1982).
- P.-J. Wong, Character theory and Artin L-functions, Ph.D. Thesis, Queen’s University (2017).
- P.-J. Wong, Applications of group theory to conjectures of Artin and Langlands, International Journal of Number Theory, 14 (2018) 881–898.