RT journal article T1 Perfect numerical semigroups with embedding dimension three A1 Moreno Frías, María Ángeles A1 Rosales, José Carlos A2 Matemáticas AB A numerical semigroup is perfect if it has no isolated gaps. In this paper, we will characterize the perfect numerical semigroups with embedding dimension three, and we show how to obtain them all. Also, we obtain formulas for each of the genus and the pseudo-Frobenius numbers of these semigroups. PB KOSSUTH LAJOS TUDOMANYEGYETEM SN 0033-3883 YR 2020 FD 2020 LK http://hdl.handle.net/10498/24618 UL http://hdl.handle.net/10498/24618 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 13-nov-2026