Professor, Department of Computer Science

Email: [email protected]
Phone: (616) 331-3646
Office: DCIH 530E

Education
Ph.D., Computer Science, Michigan State University, 2004

Dr. Christian Trefftz is a dedicated faculty member in the College of Computing, where he brings deep expertise in parallel processing and high-performance computing. His teaching focuses on programming, data structures and algorithms, and advanced topics in computing that equip students with the skills needed for modern computational challenges. As a researcher, Dr. Trefftz is particularly interested in the development and optimization of parallel processing techniques. He is an active member of IEEE and regularly contributes to the computing community through teaching, mentoring, and scholarly activities. Outside the classroom, he enjoys music, reading, and long walks, reflecting a well-rounded approach to life and learning.

• Dietsche, D., Dettling, T. E., Trefftz, C., & DeVries, B. (2024). Comparing Data Structures Used in Divide-and-Conquer Three-Dimensional Voronoi Diagrams. IEEE International Conference on Electro Information Technology, eIT 2024, Eau Claire, WI, USA, May 30 - June 1, 2024, 1–5. https://doi.org/10.1109/EIT60633.2024.10609892
• Klamer, L., Dettling, T. E., Dietsche, D., Trefftz, C., & DeVries, B. (2024). Language Timing for Computing Voronoi Diagrams. IEEE International Conference on Electro Information Technology, eIT 2024, Eau Claire, WI, USA, May 30 - June 1, 2024, 1–5. https://doi.org/10.1109/EIT60633.2024.10609940
• Dettling, T. E., DeVries, B., & Trefftz, C. (2023). Calculating an Approximate Voronoi Diagram using QuadTrees and Triangles. IEEE International Conference on Electro Information Technology, eIT 2023, Romeoville, IL, USA, May 18-20, 2023, 133–136. https://doi.org/10.1109/EIT57321.2023.10187239
• Dietsche, D., Dettling, T. E., Trefftz, C., & DeVries, B. (2023). Divide-and-Conquer Algorithms for Computing Three-Dimensional Voronoi Diagrams. IEEE International Conference on Electro Information Technology, eIT 2023, Romeoville, IL, USA, May 18-20, 2023, 357–361. https://doi.org/10.1109/EIT57321.2023.10187378
• Godoy, W. F., Valero-Lara, P., Dettling, T. E., Trefftz, C., Jorquera, I., Sheehy, T., Miller, R. G., Tallada, M. G., Vetter, J. S., & Churavy, V. (2023). Evaluating performance and portability of high-level programming models: Julia, Python/Numba, and Kokkos on exascale nodes. IEEE International Parallel and Distributed Processing Symposium, IPDPS 2023 - Workshops, St. Petersburg, FL, USA, May 15-19, 2023, 373–382. https://doi.org/10.1109/IPDPSW59300.2023.00068

• L. Dettling - Triangular Space Filling Curves
• Summer Internship at Oak Ridge National Lab - 2022. L. Dettling and I spent the summer of 2022 working at Oak Ridge National Lab. It was a paid internship.
• Worked on a project that resulted in this publication: Evaluating performance and portability of high-level programming models: Julia, Python/Numba, and Kokkos on exascale nodes https://ieeexplore.ieee.org/abstract/document/10196600