| 2019 | Hyperinvariant subspaces for some 2 × 2 operator matrices, II | 고응일 | Article |
| 2007 | Hyperinvariant subspaces for some subnormal operators | 고응일 | Article |
| 2004 | On quasinilpotent operators, II | 고응일 | Article |
| 2005 | On quasinilpotent operators. III | 고응일 | Article |
| 2007 | On rank-one perturbations of normal operators | 고응일 | Article |
| 2008 | On rank-one perturbations of normal operators, II | 고응일 | Article |
| 2005 | Operators that admit a moment sequence | 고응일 | Article |
| 2007 | Operators that admit a moment sequence, II | 고응일 | Article |
| 2009 | Quasiaffine transforms of operators | 고응일 | Article |
| 2005 | Some nonhypertransitive operators | 고응일 | Article |
| 2011 | Spectral decomposability of rank-one perturbations of normal operators | 고응일 | Article |
| 2001 | Spectral pictures of Aluthge transforms of operators | 고응일 | Article |
| 2003 | Spectral properties of some operator matrices | 고응일 | Article |
| 2004 | Square roots of (BCP)-operators | 고응일 | Article |
| 2006 | Sub-n-normal Operators | 고응일 | Article |
| 2003 | The iterated Aluthge transform of an operator | 고응일 | Article |
| 2007 | Transitive operators and a problem of halmos | 고응일 | Article |
| 2014 | Transitivity and structure of operator algebras with a metric property | 고응일 | Article |
| 2005 | Weak* continuous characters on dual algebras | 고응일 | Article |
