sigma11-017. 291KB Jun 04 2011 12:10:48 AM
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In this paper we consider two a priori very different problems: construction of the eigenstates of the spin chains with non parallel boundary magnetic fields and compu- tation of
We solve completely these cyclic singular cosmologies at the level of their zero modes showing that an acceptable shift parameter should be purely imaginary, which in turn introduces
The dynamics is locally trivial or topological in the pure gravity case, but we can construct a dynamical field theory with a z = 2 dispersion relation by introducing a dilaton
Surprisingly, the on-shell actions, with all auxiliary fields eliminated, admit a direct extension to the gauge group SU(N) and general self-dual backgrounds [ 19 , 20 , 21 ].. It
While generic solutions of the Painlev´e equations are “new transcendental functions”, there are special solutions which are expressible in terms of rational, algebraic, or
In Section 3 we obtain the main result of this paper: the explicit construction of the spectrum of M for the values ( 5 ) and the construction of its eigenvectors in terms of the
ˇ Cap generalized to arbitrary parabolic geometries a bijective correspondence between conformal vector fields and adjoint tractors (sections of the associated bundle to the
We give a new relatively compact proof of the famous identity for the distribution of the first hitting time of a linear boundary by a skip-free process with stationary
