<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.1.m1.1" class="ltx_Math" alttext="{\displaystyle{\displaystyle{{v}^{\beta}}}}" display="inline">
  <semantics id="p1.1.m1.1a">
    <msup id="p1.1.m1.1.3" xref="p1.1.m1.1.3.cmml">
      <mi id="p1.1.m1.1.1" xref="p1.1.m1.1.1.cmml">v</mi>
      <mi id="p1.1.m1.1.2.1" xref="p1.1.m1.1.2.1.cmml">β</mi>
    </msup>
    <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b">
      <apply id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3">
        <csymbol cd="ambiguous" id="p1.1.m1.1.3.1.cmml" xref="p1.1.m1.1.3">superscript</csymbol>
        <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑣</ci>
        <ci id="p1.1.m1.1.2.1.cmml" xref="p1.1.m1.1.2.1">𝛽</ci>
      </apply>
    </annotation-xml>
    <annotation encoding="application/x-tex" id="p1.1.m1.1c">{\displaystyle{\displaystyle{{v}^{\beta}}}}</annotation>
  </semantics>
</math>

<math class="mwe-math-element" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msup><mi>v</mi><mrow data-mjx-texclass="ORD"><mi>&#x03B2;</mi></mrow></msup></mstyle></mrow></math>