<<< native
[ EDelimited
    "{"
    ""
    [ Right
        (EArray
           [ AlignLeft , AlignLeft ]
           [ [ [ ESub (EMathOperator "div") (EIdentifier "x")
               , EIdentifier "u"
               , ESuper (EMathOperator "div") (EIdentifier "x")
               , EIdentifier "u"
               , ESubsup (EMathOperator "div") (EIdentifier "x") (EIdentifier "y")
               , EIdentifier "u"
               , ESubsup (EMathOperator "div") (EIdentifier "x") (EIdentifier "y")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname" ]
             ]
           , [ [ EUnder
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
               , EIdentifier "u"
               , EOver True (EMathOperator "\8902-lim'sup") (EIdentifier "w")
               , EIdentifier "u"
               , EUnderover
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               , EUnderover
                   True
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname*" ]
             ]
           , [ [ ESub
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
               , EIdentifier "u"
               , ESuper (EMathOperator "\8902-lim'sup") (EIdentifier "w")
               , EIdentifier "u"
               , ESubsup
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               , ESubsup
                   (EMathOperator "\8902-lim'sup")
                   (EGrouped [ EIdentifier "x" , ESymbol Rel "\8594" , ENumber "0" ])
                   (EIdentifier "w")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "operatorname*:nolimits" ]
             ]
           , [ [ ESub (EMathOperator "curl") (EIdentifier "x")
               , EIdentifier "v"
               , EUnder True (EMathOperator "argmax") (EIdentifier "K")
               , EIdentifier "u"
               ]
             , [ EText TextNormal "DeclareMathOperator" ]
             ]
           ])
    ]
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:d>
      <m:dPr>
        <m:begChr m:val="{" />
        <m:endChr m:val="" />
        <m:sepChr m:val="" />
        <m:grow />
      </m:dPr>
      <m:e>
        <m:m>
          <m:mPr>
            <m:baseJc m:val="center" />
            <m:plcHide m:val="1" />
            <m:mcs>
              <m:mc>
                <m:mcPr>
                  <m:mcJc m:val="left" />
                  <m:count m:val="1" />
                </m:mcPr>
              </m:mc>
              <m:mc>
                <m:mcPr>
                  <m:mcJc m:val="left" />
                  <m:count m:val="1" />
                </m:mcPr>
              </m:mc>
            </m:mcs>
          </m:mPr>
          <m:mr>
            <m:e>
              <m:sSub>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>div</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                </m:sub>
              </m:sSub>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>div</m:t>
                  </m:r>
                </m:e>
                <m:sup>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                </m:sup>
              </m:sSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSubSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>div</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                </m:sub>
                <m:sup>
                  <m:r>
                    <m:t>y</m:t>
                  </m:r>
                </m:sup>
              </m:sSubSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSubSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>div</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                </m:sub>
                <m:sup>
                  <m:r>
                    <m:t>y</m:t>
                  </m:r>
                </m:sup>
              </m:sSubSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
            </m:e>
            <m:e>
              <m:r>
                <m:rPr>
                  <m:nor />
                  <m:sty m:val="p" />
                </m:rPr>
                <m:t>operatorname</m:t>
              </m:r>
            </m:e>
          </m:mr>
          <m:mr>
            <m:e>
              <m:limLow>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:lim>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:lim>
              </m:limLow>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:limUpp>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:lim>
                  <m:r>
                    <m:t>w</m:t>
                  </m:r>
                </m:lim>
              </m:limUpp>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:limLow>
                <m:e>
                  <m:limUpp>
                    <m:e>
                      <m:r>
                        <m:rPr>
                          <m:sty m:val="p" />
                        </m:rPr>
                        <m:t>⋆-lim&#39;sup</m:t>
                      </m:r>
                    </m:e>
                    <m:lim>
                      <m:r>
                        <m:t>w</m:t>
                      </m:r>
                    </m:lim>
                  </m:limUpp>
                </m:e>
                <m:lim>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:lim>
              </m:limLow>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:limLow>
                <m:e>
                  <m:limUpp>
                    <m:e>
                      <m:r>
                        <m:rPr>
                          <m:sty m:val="p" />
                        </m:rPr>
                        <m:t>⋆-lim&#39;sup</m:t>
                      </m:r>
                    </m:e>
                    <m:lim>
                      <m:r>
                        <m:t>w</m:t>
                      </m:r>
                    </m:lim>
                  </m:limUpp>
                </m:e>
                <m:lim>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:lim>
              </m:limLow>
              <m:r>
                <m:t>u</m:t>
              </m:r>
            </m:e>
            <m:e>
              <m:r>
                <m:rPr>
                  <m:nor />
                  <m:sty m:val="p" />
                </m:rPr>
                <m:t>operatorname*</m:t>
              </m:r>
            </m:e>
          </m:mr>
          <m:mr>
            <m:e>
              <m:sSub>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:sub>
              </m:sSub>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:sup>
                  <m:r>
                    <m:t>w</m:t>
                  </m:r>
                </m:sup>
              </m:sSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSubSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:sub>
                <m:sup>
                  <m:r>
                    <m:t>w</m:t>
                  </m:r>
                </m:sup>
              </m:sSubSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
              <m:sSubSup>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>⋆-lim&#39;sup</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>→</m:t>
                  </m:r>
                  <m:r>
                    <m:t>0</m:t>
                  </m:r>
                </m:sub>
                <m:sup>
                  <m:r>
                    <m:t>w</m:t>
                  </m:r>
                </m:sup>
              </m:sSubSup>
              <m:r>
                <m:t>u</m:t>
              </m:r>
            </m:e>
            <m:e>
              <m:r>
                <m:rPr>
                  <m:nor />
                  <m:sty m:val="p" />
                </m:rPr>
                <m:t>operatorname*:nolimits</m:t>
              </m:r>
            </m:e>
          </m:mr>
          <m:mr>
            <m:e>
              <m:sSub>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>curl</m:t>
                  </m:r>
                </m:e>
                <m:sub>
                  <m:r>
                    <m:t>x</m:t>
                  </m:r>
                </m:sub>
              </m:sSub>
              <m:r>
                <m:t>v</m:t>
              </m:r>
              <m:limLow>
                <m:e>
                  <m:r>
                    <m:rPr>
                      <m:sty m:val="p" />
                    </m:rPr>
                    <m:t>argmax</m:t>
                  </m:r>
                </m:e>
                <m:lim>
                  <m:r>
                    <m:t>K</m:t>
                  </m:r>
                </m:lim>
              </m:limLow>
              <m:r>
                <m:t>u</m:t>
              </m:r>
            </m:e>
            <m:e>
              <m:r>
                <m:rPr>
                  <m:nor />
                  <m:sty m:val="p" />
                </m:rPr>
                <m:t>DeclareMathOperator</m:t>
              </m:r>
            </m:e>
          </m:mr>
        </m:m>
      </m:e>
    </m:d>
  </m:oMath>
</m:oMathPara>