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Existence of ground states for fourth-order wave equations
(Elsevier, 2010)
Focusing on the fourth-order wave equation utt+?2u+f(u)=0, we prove the existence of ground state solutions u=u(x+ct) for an optimal range of speeds and a variety of nonlinearities f.
Antisymmetric tensor field on AdS(5)
(Elsevier, 1998)
By using the Hamiltonian version of the AdSrCFT correspondence, we compute the two-point Green function of a local
operator in Ds4 Ns4 super Yang-Mills theory, which corresponds to a massive antisymmetric tensor field of ...
Gauge-string duality for superconformal deformations of N=4 super Yang-Mills theory.
(Institute of Physics, 2005)
We analyze in detail the relation between an exactly marginal deformation
of N = 4 SYM | the Leigh-Strassler or \?-deformation" | and its string theory dual
(recently constructed in hep-th/0502086) by comparing energies ...