A slant Toeplitz operator A(phi) with symbol phi in L(infinity)(partia
l derivative D) is an operator on L(2)(partial derivative D) whose rep
resenting matrix M = (alpha(ij)) is given by alpha(ij)= [phi,z(2i-j)]
where [.,.] is the usual inner product on L(2)(partial derivative D).
Basic properties such as norm, spectrum, compactness and the eigenvect
ors of this type of operator are studied. Some algebraic properties ar
e also considered. In addition, an interesting decomposition of a mult
iplication operator into slant Toeplitz operators is obtained.