Sufficient and necessary conditions for embeddings between
(Triebel
spaces) and
(new spaces constructed by combining frequency-uniform decomposition with
) are
obtained. Moreover, we study the Cauchy problem for generalized nonlinear Schrödinger
equations in
.
Keywords
nonlinear Schrödinger equation, embedding between Triebel
spaces and $N_{p,q}^{s}$, dual estimate