Papers:

1. Normal subgroups of the algebraic fundamental group of affine curves in positive characteristic. Submitted for publication.

2. On Quasifree Profinite Group. (With Luis Ribes and Pavel Zalesskii) Proceedings of the American Mathematical Society. 135 (2007), no. 9, 2669-2676

3. Local Galois Theory in dimension two. (With David Harbater) Advances in Mathematics Vol. 198, Issue 2 (Special volume in honor of M. Artin: Part 2. (2005) 623-653.

4. Abhyankar’s Local Conjecture on Fundamental Groups. (With David Harbater) Algebra and Algebraic Geometry with Applications (Abhyankar’s 70^th birthday conference, C. Christensen, ed.), Springer-Verlag (2004) 473-486.

5. Covers with Prescribed Ramification. (With Robert Guralnick.) Arithmetic fundamental groups and noncommutative algebra (Berkeley, CA, 1999), 387-406, Proc. Sympos. Pure Math, 70, Amer. Math. Soc., Providence, RI, 2002.

6. Galois modules and the algebraic fundamental group of projective curves in positive characteristic. (With A. Pacheco.) Pacific J. of Math. 192 (2000), no 1, 143-158.

7. Patching and Thickening Problems. (With D. Harbater) J. of Algebra, Vol. 212, (1999) 272-304.

8. Conditions related to $\pi_1$ of projective curves. J. of Number Theory, Vol. 69, No. 1, (1998) 62-79.

9. Galois groups of projective curves in characteristic $p$. J. of Algebra. Vol. 182 (1996) 777-804.