Zachary Parker
z_parker@uncg.edu
https://sites.google.com/view/zacharyparker/welcome
Education
University of North Carolina at Greensboro
Greensboro, NC
Ph.D. in Computational Mathematics
anticipated May 2027
· Thesis: “Computing Cohomology of Congruence Subgroups of GL_3(ZZ[i])”
· Advisor: Dan Yasaki
University of Vermont
Burlington, VT
M.S. in Mathematical Sciences
May 2019
Northern Arizona University
Flagstaff, AZ
M.S. in Mathematics
August 2017
· Thesis: “On the Maximum Cardinality of Braid Classes”
· Advisor: Dana Ernst
Northern Arizona University
Flagstaff, AZ
B.S. in Mathematics
May 2015
Employment
University of North Carolina at Greensboro
Graduate Teaching Assistant
Fall 2023 – Present
BASIS Prescott
Subject Expert Teacher
Fall 2020 – Spring 2022
Northern Arizona University
Instructor
Fall 2019 – Summer 2020
University of Vermont
Graduate Teaching Assistant
Fall 2017 – Spring 2019
Northern Arizona University
Graduate Teaching Assistant
Fall 2015 – Spring 2017
Dorrance Scholarship Program
Instructor
Summer 2015, 2016, 2019
Teaching Experience
University of North Carolina at Greensboro
· MAT 112 – Contemporary Topics in Math (seven sections total)
· MAT 118 – Algebra with Business Applications (four sections total)
· MAT 115 – College Algebra (two sections total)
· MAT 296 – Calculus B (one section)
BASIS Prescott
· AP Calculus AB (two sections total)
· AP Calculus BC (two sections total)
· History of Mathematics (two sections total)
· Elementary Number Theory (one section)
Northern Arizona University
· MAT 108 – College Algebra (two sections total)
· MAT 121 – Calculus for Business (three sections total)
· MAT 125 – Precalculus (two sections total)
· MAT 136 – Calculus 1 (one section)
· MAT 137 – Calculus 2 (two sections total)
· MAT 238 – Calculus 3 (one section)
University of Vermont
· MATH 1012 – College Algebra (two sections total)
Dorrance Scholarship Program
· Prealgebra (one section)
· College Algebra (one section)
· Calculus (one section)
Other Teaching Experience
MHC (now STEM Learning Center) Tutor
· Covers all 100 and 200 level mathematics courses at UNCG
LMC Tutor, NAU
· Covers MAT 100 (prealgebra), MAT 108 (college algebra), MAT 114 (quantitative reasoning), and MAT 125 (precalculus) at NAU
Mentorship
· Undergraduate honors project on modular forms, Fall 2026 (in progress)
· Independent study on elementary number theory, Summer 2026
· Independent study on p-adic numbers, Fall 2025
Research Interests
Galois representations, cohomology of arithmetic groups, modular/automorphic forms, computational number theory, arithmetic geometry
Publications and Preprints
1. Modular Forms Over Gaussian Integers (with Kalani Thalagoda and Dan Yasaki), in preparation
2. Computing Cohomology of Congruence Subgroups of GL_3(ZZ[i]), in preparation
3. Ternary Perfect Forms Over Imaginary Quadratic Fields (with Dan Yasaki), submitted
https://arxiv.org/abs/2609.31479
Talks
Cohomology of Arithmetic Groups and Reciprocity
Southeastern Regional Meeting on Numbers, High Point University
April 2026
Cohomology of with Level
Palmetto Area Number Theory Series (PANTS) XL, Clemson University
December 2025
Cohomology of with Level
Triangle Area Graduate Mathematics Conference, North Carolina State University
November 2025
Cohomology of with Level
Graduate Research Presentations, UNCG
September 2025
Computations on Perfect Ternary Forms
Regional Mathematics and Statistics Conference, UNCG
November 2024
Computations on Perfect Ternary Forms
Graduate Research Presentations, UNCG
October 2024
Some Computations on Perfect Ternary Forms
PANTS XXXVIII, Wake Forest University
September 2024
Some Computations on Perfect Ternary Forms
Algebra, Combinatorics, Topology, Geometry, and Number Theory (ANTCOG), UNCG
September 2024
An Introduction to Modular Forms
ANTCOG, UNCG
November 2023
Famous Mathematical Mishaps
Arizona Mathematical Association of Two Year Colleges Fall Conference, NAU
October 2019
Proving a Claim: Mathematicians Who Were Too Persuasive
Friday Afternoon Undergraduate Mathematics Seminar (FAMUS), NAU
September 2019
Galois Groups Acting on Ideal Class Groups
Quebec-Vermont Number Theory Seminar, UVM
May 2019
On the Maximum Cardinality of Braid Classes
Mathematics and Statistics Department Colloquium, NAU
March 2018
A Special Case of Fermat’s Last Theorem: An Introduction to Algebraic Number Theory
FAMUS, NAU
March 2018
Awards and Scholarships
· Helen Barton Scholarship (2024-25, 2025-26, 2026-27)
· UNCG Graduate Assistant Teaching Award (2025-2026)
· Munroe Student Research Fund (2025-26)
· UNCG Summer Research Assistantship (2024, 2025, 2026)
· Phi Kappa Phi Award (2015)
Service
· Contest Committee (NAU)