期刊
COMMUNICATIONS IN MATHEMATICAL PHYSICS
卷 380, 期 1, 页码 131-186出版社
SPRINGER
DOI: 10.1007/s00220-020-03875-1
关键词
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资金
- Royal Society Dorothy Hodgkin Fellowship
- NSF [DMS-1711692]
- Simons Fellowship in Mathematics
We describe the exact WKB method from the point of view of abelianization, both for Schrodinger operators and for their higher-order analogues (opers). The main new example which we consider is the T-3 equation, an order 3 equation on the thrice-punctured sphere, with regular singularities at the punctures. In this case the exact WKB analysis leads to consideration of a new sort of Darboux coordinate system on a moduli space of flat SL(3)-connections. We give the simplest example of such a coordinate system, and verify numerically that in these coordinates the monodromy of the T-3 equation has the expected asymptotic properties. We also briefly revisit the Schrodinger equation with cubic potential and the Mathieu equation from the point of view of abelianization.
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