| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
The inversion formulas of polylogarithms can be regarded as a recursive Riemann-Hilbert (RH, for short) problem of additive type. Solving this problem, we can chracterize the polylogarithms. This problem generalizes to the case for multiple polylogarithms (MPL, for short). From the inversion formulas of MPL, one can also obtain a recursive RH problem of additive type, and the unique solvability can be shown. Furthemore, one can show that this problem is equivalent to the multiplicative Riemann-Hilbert problem of the fundamental solution for the KZ equation of one variable. The article summarizing these results is now submited to a mathematical journal. Recently, we investigate the connection to monodromy preserving deformation, and addressed at the annual meetings of Japan Mathematical Society.
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