... multistreaming

The gradient condition has been introduced in previous works (Bertschinger & Dekel 1989) on the reconstruction of the peculiar velocities of the galaxies using linear Lagrangian theory.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.