Journal of the Ramanujan Mathematical Society

Volume 28A, Issue SPL, July – Special Issue 2013 pp. 341–351.

The fundamental group scheme of a smooth projective variety over a ring of Witt vectors

Authors: V. B. Mehta and S. Subramanian
Author institution: Raja Ramanna Fellow, Department of Mathematics, Indian Institute of Technology, Powai, Mumbai 400 076

Summary: We consider a smooth projective variety X W over the ring of Witt vectors W(k) over an algebraically closed field of characteristic p. We study the Fundamental Group Scheme of X W and its representations over W.

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