Curriculum Vitae
A PDF is available here, though it may not be up to date.
Education
- B.S. Advanced Mathematics, B.S. Computational Mathematics, Michigan State University, 2018-2022 (expected)
- Dual-enrollment, Michigan State University, 2017-2018
- Dual-enrollment, Lansing Community College, 2016-2017
Research Experience
Appelö High Order Group (Fall 2021)
Advisor: Daniel Appelö
Developing and analyzing computational tools for quantum computing applications.
MSU Risk Management and Sports Analytics Group (Fall 2021)
Advisor: Albert Cohen
Developing new methods for optimal decision making for two-point conversion attempts in American football; analyzing the effects of fights in hockey on the outcomes of games.
UCLA Computational and Applied Mathematics REU (Summer 2021 - Present)
Advisor: Jamie Haddock
Exploring Kaczmarz methods for inconsistent and corrupted linear systems and their connections to maximum likelihood estimation techniques for ranking sports teams.
Department of Mathematics Exchange Program (Spring 2021)
Advisor: Ekaterina Rapinchuk
Exploring methods and tools for semi-supervised learning and graph-based learning.
Combinatorics Research (Fall 2020 – Summer 2021)
Advisor: Bruce Sagan
Proving new results on shuffle sets, permutation statistics, and pattern avoidance for cyclic permutations.
MSU Signals, Learning, and Imaging Group (Spring 2020 – Present)
Advisor: Saiprasad Ravishankar
Investigating algorithms for correcting scattering artifacts in MeV tomography measurements in collaboration with researchers at Los Alamos National Laboratories. Additionally, considering data-driven algorithms to solve compressed sensing problems.
Publications
Cyclic Shuffle Compatibility - Rachel Domagalski, Jinting Liang, Quinn Minnich, Bruce E. Sagan, Jamie Schmidt, Alexander Sietsema Permalink
Pinnacle Set Properties - Rachel Domagalski, Jinting Liang, Quinn Minnich, Bruce E. Sagan, Jamie Schmidt, Alexander Sietsema Permalink
Comparing One-step and Two-step Scatter Correction And Density Reconstruction In X-Ray CT - Alexander N. Sietsema, Michael T. McCann, Marc L. Klasky, Saiprasad Ravishankar Permalink
Stochastic Iterative Methods for Online Rank Aggregation from Pairwise Comparisons - Benjamin Jarman, Lara Kassab, Deanna Needell, Alexander Sietsema Permalink
Stratified Non-Negative Tensor Factorization - Alexander Sietsema∗, Zerrin Vural∗, James Chapman, Yotam Yaniv, Deanna Needell Permalink
VDW-GNNs: Vector diffusion wavelets for geometric graph neural networks - David R Johnson, Alexander Sietsema, Rishabh Anand, Deanna Needell, Smita Krishnaswamy, Michael Perlmutter
Harmful Overfitting in Sobolev Spaces - Kedar Karhadkar∗, Alexander Sietsema∗, Deanna Needell, Guido Montufar Permalink
Teaching
Calculus II Undergraduate Learning Assistant
Calculus I Course Assistant
Honors Linear Algebra Undergraduate Learning Assistant
Talks
A Cyclic Variant of the Erdős-Szekeres Theorem
Joint Mathematics Meetings Poster Session, JMU SUMS Poster Session (2021)
An Algorithm For Counting Admissible Pinnacle Orderings
Permutation Patterns 2021 (University of Strathclyde Combinatorics Group) (2021)
Comparing One-Step and Two-Step Descattering and Reconstruction
Department of CMSE Student Research Symposium (2021)
Pattern Avoidance in Cyclic Permutations
Joint Mathematics Meetings Poster Session, JMU SUMS Poster Session (2021)
Pattern Avoidance in Cyclic Permutations
Department of Mathematics Graduate and Undergraduate Student Seminar (2021)
A Stochastic Subtraction Game (and how to win some money at the bar)
Michigan State University Graduate and Undergraduate Student Seminar (2022)
Comparing One-step and Two-step Scatter Correction and Density Reconstruction in X-ray CT
CT Meeting 2022 (2022)
Stochastic Iterative Methods for Online Rank Aggregation from Pairwise Comparisons.
UCLA 'Research in the Age of AI' Symposium (2024)
Stratified Non-Negative Tensor Factorization
58th Asilomar Conference on Signals, Systems, and Computers (2024)
Stochastic Iterative Methods for Online Rank Aggregation from Pairwise Comparisons
2nd Conf. on Random Matrix Theory and Numerical Linear Algebra (2025)
Stratified Non-Negative Tensor Factorization
Workshop: Approximation And Learning In High Dimensions, Centre de Recherches Mathématiques (2025)
Harmful Overfitting in Sobolev Spaces (scheduled)
Michigan State University Applied Mathematics Seminar (2026)
Summer School: Mathematics For Machine Learning (2026)
ICTP-INdAM-SLMath School: Mathematics For Machine Learning (2026)
Honors
- Outstanding Poster, Joint Mathematics Meeting Poster Session, “Pattern Avoidance in Cyclic Permutations” (2021)
- Honorable Mention Poster, Joint Mathematics Meetings Poster Session, “A Cyclic Variant of the Erdos-Szekeres Theorem” (2021)
- Herbert T. Graph Scholarship, Department of Mathematics Award (2020,2021)
- Paul and Wilma Dressel Endowed Scholarship, Department of Mathematics Award (2019)
- FAITH Endowment Scholarship for Academic Excellence, Endowment for Greek Orthodoxy and Hellenism (2018-present)
- Dr. Helene Tzitsikas Education Scholarship, Holy Trinity Greek Orthodox Church Parish Award (2018)
- Michigan State University Alumni Distinguished Freshman, University full-tuition scholarship, (2018-present)
- Dean’s List (all undergraduate semesters) (2018-present)
Technical Skills
- Languages: Python, R, LaTeX, Julia, C++, C#, Matlab, RegEx
- Libraries: Pandas, NumPy, itertools, Matplotlib, Seaborn, scikit-learn, SciPy, Statsmodels, BeautifulSoup, Requests, Selenium, Tensorflow, Pytorch, Anaconda, Juqbox
Relevant Coursework
Mathematics
- Honors Linear Algebra (MTH 317H)
- Honors Abstract Algebra I, II (MTH 418H, 419H)
- Honors Intro Analysis, Real Analysis (MTH 327H, 429H)
- Real Analysis (Measure Theory) (MTH 818, graduate qualifying sequence)
- Discrete Mathematics I, II (MTH 481, 482)
- Combinatorics I, II (MTH 880, 882)
- Special Topics in Algebra (Combinatorics) (MTH 991)
- Readings in Mathematics (Combinatorics) (MTH 890)
- Capstone in Mathematics (Fourier Analysis) (MTH 496)
- Numerical Linear Algebra (MTH 850, graduate qualifying sequence)
- Numerical Ordinary Differential Equations (MTH 852, graduate qualifying sequence)
Extracurricular Activities
- MSU Math Department Ultimate Frisbee (2018-present), Organizer
- Phantom Regiment Drum and Bugle Corps (2019), Euphonium player, small ensemble member
2019 Drum Corps International World Class Championship Finalist - Michigan State University Spartan Marching Band (2018), Baritone player
- Legends Drum and Bugle Corps (2018), Baritone player
2018 Drum Corps International Open Class Championship Finalist