sigma10-064. 200KB Jun 04 2011 12:10:42 AM
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In the next two sections we carry out the above procedure to find exact solutions of the noncommutative theory for the case of the flat expanding universe and the Schwarzschild
The last term in the horizontal part of the reduced geodesic spray is related to the curvature of the horizontal distribution, at least in the case when M is a Riemannian manifold
Hangan proved that the Heisenberg group endowed with a left-invariant Riemannian metric does not admit any codi- mension 1 completely integrable totally geodesic distribution (see [ 5
are more or less two possible ways to construct the model: either one adds further terms in order to make the action gauge invariant (which will be discussed in the following
The development of these ideas has followed two complementary ways, namely (i) the dimensional reduction of a higher-dimensional gauge theory over fuzzy internal spaces [ 19 ] and
The double affine Hecke algebra (DAHA) for a reduced root system was defined by Cherednik [2], and the definition was extended to include nonreduced root systems by Sahi [11]..
In addition to proofs of classical superintegrability we show that the 2D caged anisotropic oscillator and a St¨ackel transformed version on the 2-sheet hyperboloid are
Molev gives a combinatorial formula for the Sklyanin determinant of twisted Yangians in terms of matrix elements of the matrix of generators of the twisted Yangians (see also [ 1
