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1991 May 31: À̿쿵(¼º±Õ°ü´ë);  Punctured Neighborhood Theorem

1994 Nov 25: À̿쿵(¼º±Õ°ü´ë);  Non-singularity and invertibility for a commuting pair

1994 Nov 25: À̿쿵(¼º±Õ°ü´ë);  ÀÛ¿ë¼Ò ½ºÆåÆ®·Ò ÀÌ·Ð(SNU Colloquium)

2001 Jun 15: À̿쿵(¼º±Õ°ü´ë);  Weak subnormality of operators

2001 Nov 2: À̿쿵(¼º±Õ°ü´ë);  Hyponormal Toeplitz operators and interpolation problems

2002 May 31: À̿쿵(¼º±Õ°ü´ë);  Invariant Subspace Problem 

2003 Mar 7: À̿쿵(¼­¿ï´ë);  Spectral pictures of AB and BA

2003 Apr 10: À̿쿵(¼­¿ï´ë);  Hyponormality of Toeplitz operators(SNU Colloquium)

2003 Sep 26: À̿쿵(¼­¿ï´ë);  Cowen Sets for Hyponormal Toeplitz Operators

2004 Jun 11: À̿쿵(¼­¿ï´ë); Subnormality vs weak subnormality 

2004 Sep 24: À̿쿵(¼­¿ï´ë); Harte and Taylor spectra

2005 Mar 11: À̿쿵(¼­¿ï´ë); Spectral theory of n-normal operators

2006 Sep 8: À̿쿵(¼­¿ï´ë); A look at the BDF theorem

2007 Jun 8: À̿쿵(¼­¿ï´ë); Hyponormal Toeplitz operators 

2007 Sep 21: À̿쿵(¼­¿ï´ë); Subnormality of ?Toeplitz operators

2009 Mar 13: À̿쿵(¼­¿ï´ë); Subnormal block Toeplitz operators

2009 Sep 11: À̿쿵(¼­¿ï´ë); Hyponormal block Toeplitz operators

2011 Dec 2: À̿쿵(¼­¿ï´ë); A bridge theory for block Toeplitz operators

2012 Nov 30: À̿쿵(¼­¿ï´ë); Halmos Problem 5

2013 Sep 13: À̿쿵(¼­¿ï´ë); Subnormal and quasinormal Toeplitz operators

2014 May 30: À̿쿵(¼­¿ï´ë); Joint hyponormality of Toeplitz pairs

2016 May 4: À̿쿵(¼­¿ï´ë); Revisit to inner functions

2017 Dec 6: À̿쿵(¼­¿ï´ë); The Beurling-Lax-Halmos Theorem 

2018 Dec 5: À̿쿵(¼­¿ï´ë); A canonical decomposition of strong L^2-functions

2019 May 8: À̿쿵(¼­¿ï´ë); Vector-valued function theory (I)

2019 May 15: À̿쿵(¼­¿ï´ë); Vector-valued function theory (II)

2019 Nov 6: À̿쿵(¼­¿ï´ë); The Beurling-Lax-Halmos Theorem for infinite multiplicity (I)

2019 Dec 4: À̿쿵(¼­¿ï´ë); The Beurling-Lax-Halmos Theorem for infinite multiplicity (II)

2020 Dec 2: À̿쿵(¼­¿ï´ë); Spectral multiplicity of model operators

2022 Nov 23: À̿쿵(¼­¿ï´ë); Circle companions of Hardy classes