David Helm

Teaching

Papers

1. On $l$-adic families of cuspidal representations of $\GL_2(Q_p)$ (Submitted)
   17 pages   PDF,  
2. Towards a geometric Jacquet-Langlands correspondence for unitary Shimura varieties (Submitted)
   30 pages   DVI,   PDF,  
3. Monodromy filtrations and the topology of tropical varieties (With Eric Katz, Submitted)
   20 pages   PDF,  
4. A geometric Jacquet-Langlands correspondence for U(2) Shimura varieties (Submitted)
   35 pages   DVI,   PDF,  
5. On maps between modular Jacobians and Jacobians of Shimura curves, Israel J. Math., Israel J. Math. 160 (2007), 61-117.  
   35 pages   DVI,   postscript,  
6. Mazur's principle for U(2,1) Shimura varieties
   20 pages   DVI,   postscript,  
7. Algorithms for graded injective resolutions and local cohomology over semigroup rings (with Ezra Miller), Journal of Symbolic Computation, 39, no. 3-4 (2005), 373-395.  
   22 pages   DVI,   postscript,  
8. Bass numbers of Semigroup-Graded Local Cohomology (With Ezra Miller), Pacific Journal of Math. 209, no. 1 (2003), 41-66.  
   26 pages   Official version
9. Jacobians of Shimura curves and Jacquet-Langlands Correspondences (Thesis)
   64 pages   DVI,   postscript,