Jeong-Hoon Ju, postdoc
Jeong-Hoon was employed as a postdoc on 1 March 2026 in the Analysis & Quantum Section, associated with the Centre for the Mathematics of Quantum Theory and the Quantum for Life Centre.
“My research area is the algebra and geometry of tensors. I mainly research tensor rank and tensor computation. In particular, I am interested in methods for investigating tensor rank (e.g., flattenings, apolarity theory, and sparse optimisation), secant varieties (especially of Segre, Veronese, and Grassmannian varieties), and tensor operations (such as tensor-tensor multiplication and tensor geometric mean) and their complexity”, says Jeong-Hoon.
About his future projects: “In QMATH, I'm going to learn and research tensors for quantum information theory, and algebraic/geometric complexity theory. My postdoc mentor is Matthias Christandl.”
Jeong-Hoon is from the Republic of Korea with a PhD from the Department of Mathematics in Pusan National University (advisors: Prof. Yeongrak Kim and Prof. Hyun-Min Kim); Thesis title: “On the Ranks of the Determinant, Permanent, and Linear-Map-Based Tensor-Tensor Multiplication Tensors”.
He was a student member of the Global Basic Research Lab (BRL) on "Algebra and Geometry of Spaces of Tensors, and Applications" (AGSTA) - a research group supported by the National Research Foundation of Korea.
You can find Jeong-Hoon at the QMATH office in Vibenshuset, V01-4-24.