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Preprint Number 2342
2342. Anwesh Ray and Tom Weston Hilbert's tenth problem in Anticyclotomic towers of number fields E-mail: Submission date: 8 February 2023 Abstract: Let K be an imaginary quadratic field and p be an odd prime which splits in K. Let E_1 and E_2 be elliptic curves over K such that the Gal(K/K)-modules E_1[p] and E_2[p] are isomorphic. We show that under certain explicit additional conditions on E_1 and E_2, the anticyclotomic ℤ_p-extension K_{anti} of K is integrally diophantine over K. When such conditions are satisfied, we deduce new cases of Hilbert's tenth problem. In greater detail, the conditions imply that Hilbert's tenth problem is unsolvable for all number fields that are contained in K_{anti}. We illustrate our results by constructing an explicit example for p=3 and K=ℚ(√(-5)). Mathematics Subject Classification: 11R23, 11U05 Keywords and phrases: |
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