My Daughter Goes BACK TO KINDERGARTEN For A Day (bad idea!)
My Daughter Goes BACK TO KINDERGARTEN For A Day (bad idea!)

My name is Jordan Wiebe and I am a graduate student in the Department of Mathematics at the University of Oklahoma. I work with Dr. Kimball Martin on arithmetic in quaternion algebras and related topics in automorphic forms. I also teach various undergraduate math courses, from algebra to calculus. I am currently teaching Precalculus for Business.

I am originally from Lincoln, Nebraska, where I completed my undergraduate degree in mathematics at the University of Nebraska-Lincoln. My wife Abby and I love backpacking and have recently been to Alaska, and we’re planning a few excursions in Arkansas and Colorado.

I truly love mathematics, and I’m eager to share my excitement with you!

I am currently studying non-maximal orders in quaternions algebras, and their applications to modular forms. In particular, my most recent result (available on the arXiv, submitted) gives an explicit basis for orders of arbitrary level $N$ over $\mathbb{Q}$. I’ve implemented the result of this paper in Sage here. This can be applied (for instance) to A. Pizer’s algorithm for computing modular forms via Brandt matrices outlined in his paper “

My recent result is applicable to definite quaternion algebras, and I am expanding this to indefinite quaternion algebras. I am also investigating a variety of congruences for modular forms via quaternionic modular forms, such as those previously observed by K. Martin in “The Jacquet–Langlands correspondence, Eisenstein congruences, and integral L-values in weight 2”.

In this speed talk, I present the fundamentals of quaternion algebras, orders, level, and present a special case of my general result. I also briefly mention connections to computing modular forms via Pizer’s algorithm.

Conference: Automorphic Forms Workshop

In this talk, I discuss in detail the roots of quaternion algebras. I develop orders and local levels, and provide a number of examples. Last, I discuss the local-global connection we can see for $\mathbb{Q}$, and indicate my work on the global case.

Conference: Graduate Algebra Symposium

In this talk, I present A. Pizer’s paper of the same title. In particular, I develop the quaternion algebras and orders, and apply these to compute the Brandt matrices which yield our modular forms. I present the algorithm for accomplishing these tasks.

I will be at JMM 2019 in January, as well as the Texas-Oklahoma Representation theory and Automorphic forms conference (TORA IX) next Spring.

So let’s say you don’t have a degree in mathematics but want to get the gist of what my research is about. First, let’s talk about advanced mathematics as a whole. How do we even do math research? Isn’t it all “figured out”? This is a very common thought about mathematics, and is sadly not corrected (even in college-level courses). The power of mathematics comes from the fact that the things that we know a lot about (say whole numbers, or fractions, or functions, or derivatives and integrals) can actually be developed and applied to more interesting structures.

Let’s do a quick example. Say we’re looking at a clock. We know that there are 24 hours in a day, but it would be hard to represent all 24 in one clock face, so we have 12 hours represented, right? The thing to think about here is that an hour after 12 is 1. So somehow when we do 12+1, we get 1. But that makes it seem like 12=0, right? What’s happening here is something called

So we can glue 12 and 0 together, since 12 has remainder zero when divided by 12!

So we can take the basic ideas of mathematics and do interesting things with them, and study the resulting objects. Let’s get back to the real question: what am I studying? If you’re familiar with imaginary numbers, you know that if we write $i^2=-1$ and “add” this to the real numbers, we get the complex numbers $\mathbb{C}$. So we have

$\mathbb{R}\to\mathbb{C}$ via $i=\sqrt{-1}$.

I study

$\mathbb{Q}\to\left(\frac{a,b}{\mathbb{Q}}\right)=\mathbb{Q}\langle 1,i,j,k\rangle/(i^2=a,j^2=b,ij=-ji=k)$

So quaternion algebras are a 4-dimensional analog of the 2-dimensional situation we have for $\mathbb{C}$. Inside these algebras, I study something called

I am currently teaching Precalculus for Business. If you’d like more information about the current course, please check out the course page on Canvas. I have previously taught the following courses:

I consistently receive positive feedback from students, and continue to do my very best to provide an environment that facilitates learning and excitement about mathematics. My hope is that every person in each of my classes leaves class every day a little more excited about mathematics than when they came.

I’m honored to have received teaching awards for my performance:

Harold Huneke Teaching Award


Provost’s Certificate of Distinction in Teaching

Spring 2017

Harold Huneke Teaching Award


Provost’s Certificate of Distinction in Teaching

Fall 2015

If you have any questions about class, suggestions for the future, or comments, please feel free to contact me.

I’ve been in school most of my life, and am what some call a professional student. Over the years I’ve had a variety of accomplishments, a few of which I’ve listed below.

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