• openAccess   Eliahou number, Wilf function and concentration of a numerical semigroup 

      Almirón, Patricio; Moyano-Fernández, Julio José Taylor & Francis (2022-03-30)
      We give an estimate of the minimal positive value of the Wilf function of a numerical semigroup in terms of its concentration. We describe necessary conditions for a numerical semigroup to have a negative Eliahou number ...