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math.NT2025
Chebyshev's bias for modular forms
Shin-ya Koyama, Arshay Sheth
We study Chebyshev's bias for the signs of Fourier coefficients of cuspidal newforms on . Our main result shows that the bias towards either sign is completely determined b…
math.NT2025
The Asai--Flach Euler system in -adic families
David Loeffler, Arshay Sheth
We show that the Euler system for the Asai representation corresponding to a Hilbert modular eigenform over a real quadratic field, constructed by Lei, Loeffler and Zerbes (2018),…
math.NT2024★ 1 cited
Euler Products at the Centre and Applications to Chebyshev's Bias
Arshay Sheth
Let be an irreducible cuspidal automorphic representation of with associated -function . We study the behaviour of the partial Eu…