Seng-Chua Kok

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20212026

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math.NT2024

Inverting the wedge map and Gauss composition

Kok Seng Chua

Let $1 \leq k \leq n,$ and let $v_{1}, \dots, v_{k}$ be integral vectors in $Z^{n}$ . We consider the wedge map $α_{n,k} : (\mathbb{Z}^n)^k /SL_k(\mathbb{Z}) \rightarrow \wedge^k(\m…

math.NT2021

A p-adic identity for Wieferich primes

Kok Seng Chua

Let $n$ be a positive integer, $p$ be an odd prime and integers $a, b \neq = 0$ with $g c d (a, b) = 1$ , $p ∤ ab$ , and $p ∣ (a^{n} \pm b^{n})$ , we prove the identity $$ν_p(a^n \pm b^n)-ν_p(n…