We consider dual Toeplitz operators acting on the orthogonal complement of the Dirichlet space on the unit disk. We give a character-ization of when a finite sum of products of two dual Toeplitz operators is equal to 0. Our result extends several known results by using a unified way.
机构:
Fudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
Zhejiang Normal Univ, Coll Math Phys & Informat Engn, Jinhua 321004, Peoples R ChinaFudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
机构:
Fudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
Zhejiang Normal Univ, Coll Math Phys & Informat Engn, Jinhua 321004, Peoples R ChinaFudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China