(1) Departamento de Matemáatica, Instituto Superior Técnico, Av. Rovisco Pais, 1, Lisboa, 1049-001, Portugal
Abstract:
We prove analogues of the Brown-Halmos and Nehari theorems on
the norms of Toeplitz and Hankel operators, respectively, acting on subspaces
of Hardy type of reflexive rearrangement-invariant spaces with nontrivial Boyd
indices.