Published Papers and Preprints

28. With M. Raynaud, p-parts of component groups, in preparation.

27. With Q. Liu, The index of a variety over a discrete valuation field, Preprint.

26. On Bezout domains, Preprint.

25. Frobenius number, Riemann-Roch structure, and zeta functions of graphs. Preprint.

24. Wild quotient singularities of surfaces. Preprint.

23. Models of curves and wild ramification . To appear in Pure and Applied Math Quarterly, issue dedicated to John Tate.

22. Smith normal form and Laplacians. J. Combin. Theory B 98 (2008), 1271-1300.

21. Grothendieck's pairing for Jacobians and base change, J. Number Theory 128 (2008), 1448-1457.

20. With Q. Liu and M. Raynaud, On the Brauer group of a surface, Invent. Math. 159 (2005), 673-676.

19. With Q. Liu and M. Raynaud, Néron models, Lie algebras, and reduction of curves of genus one, Invent. Math. 157 (2004), 455-518.

18. with S. Bosch, Grothendieck's pairing on component groups of jacobians, Invent. Math. 148 (2002), 353-396.

17. with T. Tucker, Thue equations and the method of Chabauty-Coleman, (abstract), (picture), The following shorter version appeared in Invent. Math. 148 (2002), 47-77.

16. with Q. Liu, Special fibers of Néron models and wild ramification, J. reine angew. Math. 532 (2001), 179-222.

15. Reduction of points in the Néron model of a jacobian, J. reine angew. Math. 527 (2000), 117-149.

14. The arithmetic of the laplacian of a graph, LAMA 47 (2000), 281-306.

13. with Q. Liu, Models of curves and finite covers, Comp. Math. 118 (1999), 61-102.

12. with B. Edixhoven and Q. Liu, The p-part of the group of components of a Néron model, J. of Alg. Geom. 5 (1996), 801-813.

11. Torsion points on the modular jacobian $J_0(N)$, Comp. Math. 96 (1995), 149-172.

10. On the group of components of a Néron model, J. reine angew. Math. 445, 109-160 (1993).

9. On modular elliptic curves , J. of Number Theory 44 (1993), 255-259.

8. Reducibility of polynomials in two variables, J. of Algebra 156 (1993), 65-75.

7. The characteristic polynomial of a monodromy transformation attached to a family of curves, Comm. Math. Helv. 68 (1993), 111-137.

6. Jacobians with potentially good ell-reduction, J. reine angew. Math. 430 (1992), 151-177.

5. On a finite group associated to the Laplacian of a graph, Discr. Math. 91 (1991), 277-282.

4. Research problem, Discr. Math. 84 (1990), 327-329.

3. Dual graphs of degenerating curves, Math. Ann. 287 (1990), 135-150.

2. Groups of components of Néron models of jacobians, Comp. Math. 73 (1990), 145-160.

1. Arithmetical graphs, Math. Ann. 285 (1989), 481-501.

Unpublished Manuscripts

3. Towers of curves and rational distance sets, 2005.

2. Reduction in the case of imperfect residue fields , 2001.

1. On the jacobian of the modular curve X_0(N), 1996.

The links below provide information on the Digital Mathematics Library and digitizing, on copyright, and on the Open Access Initiative. More related thoughts on the web page of John Ewing.