Travis Morrison

I am a sixth year graduate student at Penn State University, expecting to graduate in May 2018. My advisor is Kirsten Eisenträger. I am interested in number theoretic questions of decidability and definability, and in algorithmic number theory with applications to cryptography.


Publications and Preprints
  • Diophantine definability of nonnorms of cyclic extensions of global fields. Submitted for publication, 2017.

  • On the hardness of computing endomorphism rings of supersingular elliptic curves. With Kirsten Eisenträger and Sean Hallgren. Submitted for publication, 2017.

  • Universally and existentially definable subsets of global fields. With Kirsten Eisenträger. Accepted for publication, 2017.

  • Teaching
    I am teaching Math 231, Calculus of several variables. Please see the canvas page for materials related to the course.