Numerical semigroups of coated odd elements

J. C. Rosales, M. B. Branco, M. A. Traesel

A numerical semigroup $S$ is coated with odd elements (Coe-semigroup), if $\left\{x-1,x+1\right\}\subseteq S$ for all odd element $x$ in $S$. In this note, we will study this kind…