Erratum to "Operads in iterated monoidal categories", J. of Homotopy and Related Structures, vol.2 (1), 2007, pp.1 - 43

Stefan Forcey, Jacob Siehler and E. Seth Sowers

Theorem 5.4 of the paper [1] in question is incorrect as stated. In fact we state here instead that the characterization of minimal 2-fold operads in the natural numbers is an open question.

Journal of Homotopy and Related Structures, Vol. 6(2011), No. 1, pp. 175-176