3 papers
math.AG2026
Structured matrix factorization length
Jeong-Hoon Ju, Taehyeong Kim
Every (resp. a generic) complex matrix can be expressed as a product of (resp. ) Toeplitz matrices. Motivated by this result, it is natu…
math.NA2026
Hamiltonian and Symplectic Tensors in the T-product Algebra
Susana Lopez-Moreno, Taehyeong Kim
We study Hamiltonian and symplectic tensor structures in the T-product algebra. We define T-Hamiltonian and T-symplectic tensors and characterize them through their Fourier-domain…
math.NT2025
Infinitely badly approximable affine forms
Taehyeong Kim
A pair of a real matrix and is said to be if \[ \liminf_{\mathbf{q}\in\mathbb{…