1996 Volume 2 Issue 2 Pages 131-137
Let H be a separable Hilbert space and let A be the algebra of continuous functions on the torus T 2 which are uniform limits of polynomials in e imxe iny where
(m,n)∈{(m,0)∈Z 2|m ≥ 0}∪{(m,n)∈Z 2|n ≥ 1}.
For this uniform algebra A, we characterize invariant subspaces of LH2.