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math.NT2026
On numerical semigroups with embedding dimension four
Kazimierz Chomicz
We develop a geometric procedure for finding the Apéry set of any numerical semigroup with embedding dimension four. Previous methods of comparable strength worked only for embeddi…
math.NT2025
On the fourth power level of -adic completions of biquadratic number fields
Kazimierz Chomicz
Let be a number field and be a prime ideal. We compute the fourth level of the -adic completions of when the ramification index is …