TY - GEN AU - Moreno Frías, María Ángeles AU - Rosales González, José Carlos PY - 2025 UR - https://hdl.handle.net/10481/108765 AB - Let a and b be positive integers such that a < b and [a, b] = {x ∈ N | a ≤ x ≤ b}. In this work, we will show that A ([a, b]) = {S | S is a numerical semigroup whose Frobenius number belongs to [a, b]} and is a covariety. This fact allows us... LA - eng PB - MDPI KW - Frobenius number KW - Multiplicity KW - Algorithm TI - The Set of Numerical Semigroups with Frobenius Number Belonging to a Fixed Interval DO - 10.3390/math13152538 ER -