1994
DOI: 10.1142/s0217732394000447
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Quantum Dilogarithm

Abstract: A quantum generalization of Rogers' five term, or "pentagon" dilogarithm identity is suggested. It is shown that the classical limit gives usual Rogers' identity. The case where the quantum identity is realized in finite dimensional space is also considered and the quantum dilogarithm is constructed as a function on Fermat curve, while the identity itself is equivalent to the restricted star-triangle relation introduced

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Cited by 336 publications
(366 citation statements)
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“…For more discussion on solutions of (22) and other similar functional equations we refer to [9,10,31,32].…”
Section: Bethe Ansatz For Lattice Liouville Theorymentioning
confidence: 99%
“…For more discussion on solutions of (22) and other similar functional equations we refer to [9,10,31,32].…”
Section: Bethe Ansatz For Lattice Liouville Theorymentioning
confidence: 99%
“…The same data also appear in the context of SL(2) Chern-Simons theory or quantum Teichmüller theory [5][6][7][8][9]. The basic building block in this case is Faddeev's quantum dilogarithm [10] This special function plays an important role in mathematical physics. The quantum dilogarithm has many beautiful properties, in particular it satisfies a five term (pentagon) relation [10,11].…”
Section: Jhep10(2014)091mentioning
confidence: 77%
“…While the naive "quantization" of the dynamics over the times (2.2) leads (in absence of the "smooth variables" (2.18)) just to the string solution of the full hierarchy of the Toda or KP type with the tau-functions presented by the matrix elements in the two-dimensional theory of free fermions, the dispersive analogs of the full Krichever tau-function are matrix elements in non-trivial two-dimensional conformal theory, generally with extended symmetry. They also seem to be directly related with the quantization of Teichmüller spaces [40] (higher Teichmüller spaces for the case of W -gravity), Liouville theory [30,41], and quantum-mechanical integrable dynamics in the systems of Toda type (see e.g. [42,43,44]).…”
Section: Resultsmentioning
confidence: 99%