TY - JOUR AU - Robles-Pérez, Aureliano M. AU - Rosales González, José Carlos PY - 2013 SN - 1537-744X UR - http://hdl.handle.net/10481/32051 AB - Let A be an alphabet with two elements. Considering a particular class of words (the phrases) over such an alphabet, we connect with the theory of numerical semigroups. We study the properties of the family of numerical semigroups which arise from... LA - eng PB - Hindawi Publishing Corporation KW - Phrases' lengths KW - PL-semigroups KW - Numerical semigroup TI - The numerical semigroup of phrases' lengths in a simple alphabet DO - 10.1155/2013/459024 ER -