Henri Johnston

activity

20062026

most citedOn the existence of free sublattices of bounded index and arithmetic applications

1 citations · 2 across the 7 of their papers we have counts for

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Showing 2026 · math.NTShow all

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math.NT2026

Algorithms for $p$ -rationality and for $p$ -saturation of units

Tommy Hofmann, Henri Johnston

Let $K$ be a number field. We give new practical algorithms that determine whether $K$ is $p$ -rational. For real cyclotomic fields $K = Q (ζ_{n})^{+}$ , our method avoids comp…

Algorithms for p-rationality and for p-saturation of units

Algorithms for $p$ -rationality and for $p$ -saturation of units