Omega-spectrum
= Omega-spectrum
{c}
{title2=$E_j\simeq\Omega E_{j+1}$}
= Omega-spectra
{c}
{synonym}
An <Omega-spectrum> has structure adjoints $E_j\to\Omega E_{j+1}$ that are <weak homotopy equivalences>. For such a model the level spaces represent the degrees of its <represented cohomology theory>.