zeta1.mml

Boost provides free peer-reviewed portable C++ source libraries. We emphasize libraries that work

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <mi>&#x03B6;</mi>
    <mfenced>
      <mrow>
        <mi>s</mi>
      </mrow>
    </mfenced>
    <mspace width="1em"/>
    <mo>=</mo>
    <mspace width="1em"/>
    <munderover>
      <mo>&#x2211;</mo>
      <mrow>
        <mi>k</mi>
        <mo>=</mo>
        <mn>1</mn>
      </mrow>
      <mi>&#x221E;</mi>
    </munderover>
    <mfrac>
      <mn>1</mn>
      <msup>
        <mi>k</mi>
        <mi>s</mi>
      </msup>
    </mfrac>
  </mrow>
</math>