Symbol in context

$\Omega_m$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Used in 3 equations

\Omega_m = 0.295 \pm 0.015

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

\Omega_m

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

S_8 \equiv \sigma_8 \sqrt{\Omega_m / 0.3}

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.