<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mi>g</mml:mi>
<mml:mo class="MathClass-rel">:</mml:mo>
<mml:mi mathvariant="normal">&#915;</mml:mi>
<mml:mo class="MathClass-rel">&#8594;</mml:mo>
<mml:mo class="MathClass-op">&#8721;</mml:mo>
</mml:math>