TY - GEN AU - Moreno Frías, María Ángeles AU - Rosales, Jose Carlos A4 - Matemáticas PY - 2025 SN - 2227-7390 UR - http://hdl.handle.net/10498/36719 AB - If P is a nonempty finite subset of positive integers, then (Formula presented.) In this work, we prove that (Formula presented.) is a covariety; therefore, we can arrange the elements of (Formula presented.) in the form of a tree. This fact allows us... LA - eng PB - MDPI KW - Frobenius number KW - gap KW - multiplicity KW - algorithm KW - covariety KW - irreducible element KW - R variety TI - Numerical Semigroups with a Given Frobenius Number and Some Fixed Gaps DO - 10.3390/MATH13111744 ER -