3 papers
math.NT2025
Galois cohomology of elliptic curves over anticyclotomic extensions
Dac-Nhan-Tam Nguyen, Sujatha Ramdorai
Let be an imaginary quadratic field and be an odd prime number. Let be an elliptic curve with good ordinary reduction at . We study the Iwasawa theory of…
math.NT2025
Congruent elliptic curves over some -adic Lie extensions
Dac-Nhan-Tam Nguyen, Ramdorai Sujatha
Let be an odd prime number. In this article, we study the variation of Iwasawa invariants among -congruent elliptic curves over certain -adic Lie extensions. We investiga…
math.NT2025
Congruent modular forms and anticyclotomic Iwasawa theory
Dac-Nhan-Tam Nguyen
Let be an odd prime. Consider normalized newforms that both satisfy the Heegner hypothesis for an imaginary quadratic field and suppose that they induce isomorphi…