Related papers: Branes at Angles and Resolution of Orbifold Singul…

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This paper has been withdrawn because the models on which it was based have undergone significant changes and improvements. A new paper with the same title, based on the improved models, is accepted for publication in MNRAS and is available…

This paper was withdrawn. It has been superseded by the latest version of hep-th/0107069.

The paper is withdrawn due to some errors.

This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.

This paper has been withdrawn by the author because the conclusions reached in it are incorrect.

This paper has been withdrawn due to disagreement of suggested results and methods between authors.

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This paper has been withdrawn by the author due to serious flaws in certain proofs. For instance, the method used to construct certain automorphic representations is flawed.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to some problems.

This paper has been withdrawn by the author due to the paper does not belong to Condensed Matter field.

This paper has been withdrawn by the author due to similarity to the author's other paper

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This paper has been withdrawn by the author. The paper has been accepted for publication in Communications on Pure and Applied Mathematics.

This paper has been withdrawn by the author due to an error estimate in Lemma 3.1.

This paper has been withdrawn by the author.

This paper has been withdrawn since its content is included in the more general version arXiv:0804.1882