<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:msubsup> <mml:mi mathvariant="bold-italic">&#957;</mml:mi>
<mml:mn mathvariant="bold">0</mml:mn>
<mml:mo mathvariant="bold">+</mml:mo>
</mml:msubsup>
<mml:mo mathvariant="bold">&#8594;</mml:mo>
<mml:mo mathvariant="bold">+</mml:mo>
<mml:mi mathvariant="bold">&#8734;</mml:mi>
</mml:math>