设 N 为正整数,我们称群同态 ~~~~~~~~~~~~~~~\chi:\left( \mathbb{Z}/N\mathbb{Z} \right)^{\times}\rightarrow{\mathbb{C}}^{\times} 为模 N 的 ...
A key contribution is the introduction of a control concept called Kronecker-Seuret Decomposition (KSD) for matrix-valued functions, which allows for the factorizations or approximations of any DD ...