Abstract

We describe all formal symmetric solutions of dispersionless 2D Toda hierarchy. This classification we use for solving of two classical problems: 1) The calculation of conformal mapping of an arbitrary simply connected domain to the standard disk; 2) Calculation of 2- Hurwitz numbers of genus 0.

Highlights

  • Let Q be a connected domain on the Riemann sphere without two points

  • The Riemann theorem does not give algorithm for calculation of the function. This function is very important for applications in gas dynamics, hydrodynamics, the oil industry ets

  • Let H be the set of all such Q with smooth boundary γ = ∂Q

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Summary

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This content has been downloaded from IOPscience. Please scroll down to see the full text. Ser. 670 012036 (http://iopscience.iop.org/1742-6596/670/1/012036) View the table of contents for this issue, or go to the journal homepage for more. Download details: IP Address: 128.68.41.10 This content was downloaded on 10/02/2016 at 17:17 Please note that terms and conditions apply. XXIII International Conference on Integrable Systems and Quantum Symmetries (ISQS-23) IOP Publishing. Journal of Physics: Conference Series 670 (2016) 012036 doi:10.1088/1742-6596/670/1/012036. National Research University Higher School of Economics, 20 Myasnitskaya street, Moscow 101000, Russia Institute for Theoretical and Experimental Physics, 25 Bolshaya Cheremushkinskaya street, Moscow 117218, Russia Laboratory of Quantum Topology, Chelyabinsk State University, 129 Brat’ev Kashirinykh street, Chelyabinsk 454001, Russia

Calculation of conformal mapping
Hurwitz numbers
Let us look the generating function
Let us put
Formal solutions
Toda hierarchy with

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