Deepshikha & Vashish, L. K. (2016). A note on discrete frames of translates in Cᴺ. TWMS Journal of Applied and Engineering Mathematics, 6(1), 143-149.
Abstract
In this note, we present necessary and sufficient conditions with explicit frame bounds for a discrete system of translates of the form {Tkφ}k∈Zᴺ to be a frame for the unitary space Cᴺ.
Source
TWMS Journal of Applied and Engineering Mathematics