# Does the category of topological symmetric spectra satisfy the monoid axiom ?

In the paper "Symmetric spectra"by Hovey, Smith and Shipley, they say that they don't know if the monoid axiom holds for topological symmetric spectra. This paper was written in 1998 so I am wondering what is the situation on this question today.

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The monoid axiom for symmetric and orthogonal spectra of spaces is Proposition 12.5 of Mandell, May, Schwede, and Shipley's paper Model categories of diagram spectra''.

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Welcome to Math Overflow, Professor May! –  Pete L. Clark Dec 4 '10 at 18:34