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We study a class of dilatation invariant BPS surface operators in 4-dimensional N = 4 Super Yang-Mills theory and their holographic duals in type IIB string theory in AdS 5 × S 5. First we take an example of 1/4 BPS surface operator and study it in detail from the holographic point of view. The gravity dual of this surface operator is a D3-brane(More)
An approach that uses gridless or meshless methods to address the problem of boundary implementation associated with the use of Cartesian grid is discussed. This method applies the gridless concept only at the interface, whereas a standard structured grid method is used everywhere else. The Cartesian grid is used to specify and distribute the computational(More)
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