| Древние боги спят в глубине модулярной кривой |
[May. 31st, 2012|03:09 pm] |
In the spectrum of the Laplacian on (a finite cover of) the modular surface H^2/SL(2,Z) there is an exact quadratic progression -- the mysterious "Theta lifts" from the circle.
http://www.math.uchicago.edu/~eskin/ |
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