Related papers: Effective descent maps for schemes

This paper has been withdrawn by the author due to new results to be added.

This paper has been withdrawn

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn due to fundamental errors.

This paper has been withdrawn by the author due to a crucial problem associated with Figs. 2 and 3.

The paper has been withdrawn by the author due to a crucial error.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

This paper has been withdrawn by the author due a crucial error.

This paper is withdrawn.

The paper is withdrawn.

This paper has been withdrawn by the authors due to an error in Section 7.

This paper has been withdrawn by the author due to a crucial error related with the consideration of regular points

This paper has been withdrawn due to a crucial theoretical error.

This paper has been withdrawn by the author. There is an error on page 3 in the last inequality before Lemma 1.1.

This paper has been withdrawn by the author due to a crucial error in equation (51).

This paper has been withdrawn by the author due to an erro thereon line -2 of page 4.

This paper has been withdrawn due to an error. We plan to replace it with a corrected version.

This paper has been withdrawn by the author due to errors.

This paper has been withdrawn by the author due to a crucial error in one of equation in (3).