| 2009 | Some remarks on the Helton class of an operator | 고응일; 이지은 | Article |
| 2016 | Spectra of some weighted composition operators on H2 | 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 |
| 1999 | Square roots of hyponormal operators | 고응일 | Article |
| 2003 | Square roots of semihyponormal operators have scalar extensions | 고응일 | Article |
| 2006 | Sub-n-normal Operators | 고응일 | Article |
| 2011 | Subscalarity of (p,k)-quasihyponormal operators | 고응일 | Article |
| 2015 | Subscalarity of operator transforms | 고응일 | Article |
| 2013 | Subscalarity of operators for which T*T and T + T* commute | 고응일 | Article |
| 2003 | The iterated Aluthge transform of an operator | 고응일 | Article |
| 1997 | The unilateral backward shift is w-quasisubscalar | 고응일 | Article |
| 1996 | Trace class backward weighted shifts are quasisubscalar | 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 | W-hyponormal operators have scalar extensions | 고응일 | Article |
| 2014 | Weak forms of supercyclity and a class of paranormal operators | 고응일 | Article |
| 2005 | Weak* continuous characters on dual algebras | 고응일 | Article |
| 2017 | Weyl type theorems for complex symmetric operator matrices | 고응일 | Article |
| 2001 | Weyl's theorem for f(T) when T is a dominant operator | 고응일 | Article |
| 2002 | Weyl's theorem through local spectral theory | 고응일 | Article |
