Commutative ring spectrum

In algebraic topology, a commutative ring spectrum, usually equivalent to a $E_{\infty }$-ring spectrum, is a commutative monoid in a good category of spectra.

See also: Highly structured ring spectrum and derived scheme.

References

• J.P. May, What precisely are $E_{\infty }$ ring spaces and $E_{\infty }$ ring spectra? arXiv:0903.2813