1. A scalar transformation is a transformation that is '' linear '' up to a twist '' , which means '' to a field automorphism under semilinear multiplication '' .
2. A scalar transformation is a transformation which is linear '' up to a twist '' , meaning '' up to a field automorphism under semilinear multiplication '' .

yes

1. Brian Brian Packham has also appeared in Coronation Street as Peter .
2. Peter Peter has also appeared as Brian Packham in Coronation Street ,

no

1. In fluid mechanics , a homentropic flow has uniform and constant entropy .
2. In fluid mechanics , a homentropic current has uniform and constant entropy .
yes