arXiv · solv-int/9904004
Recurrent procedure for the determination of the Free Energy $ε^{2}$-expansion in the Topological String Theory
Abstract
We present here the iteration procedure for the determination of free energy $ε^{2}$-expansion using the theory of KdV - type equations. In our approach we use the conservation laws for KdV - type equations depending explicitly on times $t_{1}, t_{2}, ...$ to find the $ε^{2}$-expansion of $u(x,t_{1},t_{2},...)$ after the infinite number of shifts of $u(x,0,0,...) \equiv x$ along $t_{1}, t_{2}, ...$ in recurrent form. The formulas for the free energy expansion are just obtained then as a result of quite simple integration procedure applied to $u_{n}(x)$.
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B. A. Dubrovin, A. Ya. Maltsev. 1999-03-30. Recurrent procedure for the determination of the Free Energy $ε^{2}$-expansion in the Topological String Theory. https://arxiv.org/abs/solv-int/9904004
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