special partition function











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Let following be the partition function in infinitely many variables $x_i$ the linear coordinates on the vector space $V$.
$$
mathcal{Z}=expBig(sum_{substack{ggeq 0\ngeq 1}}frac{h^{g-1}}{n!}sum_{i_1 ,ldots , i_n}F_{g,n}(i_1 ,ldots , i_n)x_{i_1}cdots x_{i_n} Big)
$$

where $F_{g,n}(i_1 ,ldots , i_n)$ are scalars.



Let $L_{i}in W_{V}^{h}$ are differential equation that annihilates $mathcal{Z}$ that is
$$ L_{i} mathcal{Z}=0.$$
where $W_{V}^{h}=mathbb{C}[hbar]langle (x_{i},partial_i )rangle/langle [partial_i ,x_i]=hbarrangle$



Let
$$
mathcal{K}=expBig(sum_{substack{ggeq 0\}}h^{g-1}sum_{i_1 }F_{g,1}(i_1)x_{i_1} Big)
$$

where $F_{g,1}(i_1)$ are scalars and are the same scalar appearing in $mathcal{Z}$



I was wondering how I can derive $mathcal{K}$ from $mathcal{Z}$ by some operation. The one I had in mind is the following, I choose a parameter $s$ and replace



$$x_irightarrow sx_i.$$
Then $$frac{partial}{partial s}mathcal{Z}|_{s=0}= mathcal{K}$$
(I don't know if I am making any mistake above calculation)



Also, I wonder what can we say about relation of the annihilator of $mathcal{K}$ to $L_i$.










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    up vote
    0
    down vote

    favorite












    Let following be the partition function in infinitely many variables $x_i$ the linear coordinates on the vector space $V$.
    $$
    mathcal{Z}=expBig(sum_{substack{ggeq 0\ngeq 1}}frac{h^{g-1}}{n!}sum_{i_1 ,ldots , i_n}F_{g,n}(i_1 ,ldots , i_n)x_{i_1}cdots x_{i_n} Big)
    $$

    where $F_{g,n}(i_1 ,ldots , i_n)$ are scalars.



    Let $L_{i}in W_{V}^{h}$ are differential equation that annihilates $mathcal{Z}$ that is
    $$ L_{i} mathcal{Z}=0.$$
    where $W_{V}^{h}=mathbb{C}[hbar]langle (x_{i},partial_i )rangle/langle [partial_i ,x_i]=hbarrangle$



    Let
    $$
    mathcal{K}=expBig(sum_{substack{ggeq 0\}}h^{g-1}sum_{i_1 }F_{g,1}(i_1)x_{i_1} Big)
    $$

    where $F_{g,1}(i_1)$ are scalars and are the same scalar appearing in $mathcal{Z}$



    I was wondering how I can derive $mathcal{K}$ from $mathcal{Z}$ by some operation. The one I had in mind is the following, I choose a parameter $s$ and replace



    $$x_irightarrow sx_i.$$
    Then $$frac{partial}{partial s}mathcal{Z}|_{s=0}= mathcal{K}$$
    (I don't know if I am making any mistake above calculation)



    Also, I wonder what can we say about relation of the annihilator of $mathcal{K}$ to $L_i$.










    share|cite|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      Let following be the partition function in infinitely many variables $x_i$ the linear coordinates on the vector space $V$.
      $$
      mathcal{Z}=expBig(sum_{substack{ggeq 0\ngeq 1}}frac{h^{g-1}}{n!}sum_{i_1 ,ldots , i_n}F_{g,n}(i_1 ,ldots , i_n)x_{i_1}cdots x_{i_n} Big)
      $$

      where $F_{g,n}(i_1 ,ldots , i_n)$ are scalars.



      Let $L_{i}in W_{V}^{h}$ are differential equation that annihilates $mathcal{Z}$ that is
      $$ L_{i} mathcal{Z}=0.$$
      where $W_{V}^{h}=mathbb{C}[hbar]langle (x_{i},partial_i )rangle/langle [partial_i ,x_i]=hbarrangle$



      Let
      $$
      mathcal{K}=expBig(sum_{substack{ggeq 0\}}h^{g-1}sum_{i_1 }F_{g,1}(i_1)x_{i_1} Big)
      $$

      where $F_{g,1}(i_1)$ are scalars and are the same scalar appearing in $mathcal{Z}$



      I was wondering how I can derive $mathcal{K}$ from $mathcal{Z}$ by some operation. The one I had in mind is the following, I choose a parameter $s$ and replace



      $$x_irightarrow sx_i.$$
      Then $$frac{partial}{partial s}mathcal{Z}|_{s=0}= mathcal{K}$$
      (I don't know if I am making any mistake above calculation)



      Also, I wonder what can we say about relation of the annihilator of $mathcal{K}$ to $L_i$.










      share|cite|improve this question













      Let following be the partition function in infinitely many variables $x_i$ the linear coordinates on the vector space $V$.
      $$
      mathcal{Z}=expBig(sum_{substack{ggeq 0\ngeq 1}}frac{h^{g-1}}{n!}sum_{i_1 ,ldots , i_n}F_{g,n}(i_1 ,ldots , i_n)x_{i_1}cdots x_{i_n} Big)
      $$

      where $F_{g,n}(i_1 ,ldots , i_n)$ are scalars.



      Let $L_{i}in W_{V}^{h}$ are differential equation that annihilates $mathcal{Z}$ that is
      $$ L_{i} mathcal{Z}=0.$$
      where $W_{V}^{h}=mathbb{C}[hbar]langle (x_{i},partial_i )rangle/langle [partial_i ,x_i]=hbarrangle$



      Let
      $$
      mathcal{K}=expBig(sum_{substack{ggeq 0\}}h^{g-1}sum_{i_1 }F_{g,1}(i_1)x_{i_1} Big)
      $$

      where $F_{g,1}(i_1)$ are scalars and are the same scalar appearing in $mathcal{Z}$



      I was wondering how I can derive $mathcal{K}$ from $mathcal{Z}$ by some operation. The one I had in mind is the following, I choose a parameter $s$ and replace



      $$x_irightarrow sx_i.$$
      Then $$frac{partial}{partial s}mathcal{Z}|_{s=0}= mathcal{K}$$
      (I don't know if I am making any mistake above calculation)



      Also, I wonder what can we say about relation of the annihilator of $mathcal{K}$ to $L_i$.







      differential-equations power-series formal-power-series






      share|cite|improve this question













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      asked Nov 15 at 5:04









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