Energy concentration of the focusing energy-critical fNLS

We consider the fractional nonlinear Schrödinger equation (fNLS) with non-local dispersion |∇|α|∇|α and focusing energy-critical Hartree type nonlinearity [−(|x|−2α⁎|u|2)u][−(|x|−2α⁎|u|2)u]. We consider the energy-concentration phenomena of radial blowup solutions near the maximal existence time. We use the concentration-compactness approach of [19] for confined case and kinetic energy trapping approach of [21] for unconfined case.