Sphere spectrum
= Sphere spectrum
{title2=$\mathbb S$}
{wiki}
The <sphere spectrum> is $\mathbb S=\Sigma^\infty S^0$. It is the unit of the <smash product of spectra>. Its integer <suspensions of spectra> represent <stable homotopy groups>.
= Sphere spectrum
{title2=$\mathbb S$}
{wiki}
The <sphere spectrum> is $\mathbb S=\Sigma^\infty S^0$. It is the unit of the <smash product of spectra>. Its integer <suspensions of spectra> represent <stable homotopy groups>.