I am an assistant professor of mathematics at Union College in Schenectady, NY. My research interests are in number theory; in particular, I study Iwasawa theory and *p*-adic Galois representations associated to modular forms. You can use the links on the left (or simply scroll down) to find information about my research and teaching, as well as my CV.

When I'm not doing math, I'm usually bouldering, watching Philadelphia sports teams, or spending time with llamas.

While some very general information about my teaching can be found below, if you are currently taking a class with me, you can find all of our course materials on Nexus. If you're finding our class difficult (and even if you're not), I highly recommend that you read this!

I am always open to taking on students for independent study courses in topics related to algebra and number theory. If this is something you're interested in, get in touch with me!

I am also the math department's "REU liason". If you're interested in attending an REU (Research Experience for Undergraduates) at a different institution over the summer, set up a meeting with me and we can discuss the many options available to you. Here are some helpful links:

(Note that preprints may differ from the final published version.)

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[0] My PhD thesis, University of Massachusetts Amherst (2015)

### Current Courses (Winter '19)

- Math 235: Number Theory
### Past Courses

Click to expand.
__Fall 2018__: Math 110: Calculus I and Math 336: Real Variable Theory-
__Winter 2018__: Math 130: Ordinary Differential Equations, Math 234: Differential Equations, and Math 491: Independent Study on p-adic numbers __Fall 2017__: Math 113: AP Calculus and Math 199: Intro to Logic and Set Theory__Spring 2017__: Math 130: Ordinary Differential Equations (two sections)__Winter 2017__: Math 112: Calculus II, Math 235: Number Theory, and two senior theses__Fall 2017__: Math 110: Calculus I, Math 490: Independent Study (algebraic number theory), and senior thesis__Spring 2016__: Math 115: Calculus III__Winter 2016__: Math 112: Calculus II and Math 221: Mathematical Cryptology__Fall 2016__: Math 110: Calculus I (two sections)__Spring 2015__: Math 235 - Linear Algebra__Fall 2014__: Math 235 - Linear Algebra__Summer 2014__: Math 128 -- Calculus for Life and Social Sciences (online)__Spring 2014__: Math 235 - Linear Algebra__Fall 2013__: Math 235 - Linear Algebra__Summer 2013__: Math 132 - Calculus II__Spring 2013__: Math 132 - Calculus II__Fall 2012__: Math 131 - Calculus I__Spring 2012__: Math 235 - Linear Algebra__Fall 2011__: Math 131 - Calculus I### Undergraduate Theses and Research I've Supervised

- Frank Rocco,
*Elliptic Curve Cryptology*, Union College Senior Thesis (2017) - Casey Bruck,
*A Concrete Example of Prime Behavior in Quadratic Fields*, Union College Senior Thesis (2017) - Casey Bruck,
*Composite Sequences and Covering Systems*, Summer 2017 Undergraduate Research

**Past courses at Union College**

**Past courses at UMass**

**Mail:
** Union College

Bailey Hall 202

Schenectady, NY 12308

haSPAMtleyj@un REMOVETHISion.edu

W 9:15-10:30, 2-3

Th 9-10, 2-3

Michael Chou

Harris B. Daniels

Holley Friedlander

Alden Gassert

Keenan Kidwell

Antonio Lei

Sam Taylor

Tom Weston

Glen Wilson