Professor Department of Mathematics The Pennsylvania State University 109 McAllister Building University Park, PA 16802 Phone: (814) 8634127 email: Office: 330 McAllister Bldg. 
I am a professor in the Department of Mathematics at Penn State. Before that I was an NSF Postdoctoral Fellow/ T.H. Hildebrandt Assistant Professor in the Department of Mathematics at the University of Michigan. In 200304 I was a member at the Institute for Advanced Study. I am interested in number theory, arithmetic geometry, and applications to cryptography. Here is my curriculum vitae.
My research is currently supported by a grant from the Department of the Army, and an NSF Career Award. In 2008 I was awarded a Sloan Research Fellowship.
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Other articles

This semester I am teaching Math 536, Abstract Algebra.
In the Fall of 2015 I taught Math
567, Number Theory I, and
Math 485, Graph Theory.
In the Spring of 2015 I taught Math 567, Number Theory I.
In the Fall of 2014 I taught two sections of Math 436, Linear Algebra.
In the Spring of 2013 I taught Math 536, Abstract Algebra.
In the Fall of 2012 I taught Math 567, Number Theory I.
In the Fall of 2011 I taught Math 311M, Honors Concepts of Discrete Mathematics.
In the Spring of 2011 I taught Math 597C, Topics in Number Theory.
In the Fall of 2010 I taught Math 567, Number Theory I.
In the Spring 2010 semester I taught Math 250, Section 3, Ordinary Differential Equations, and Math 536, Algebra II.
In the Spring 2009 semester I taught Math 568, Number Theory II.
In the Fall 2008 semester I taught
Math 497A, Elliptic Curves and Applications to Cryptography.
In the Spring 2008 semester I taught
Math 536, Algebra II.
In the Fall 2007 semester I taught
Math 485, Graph Theory.
Past
courses