In English they are exactly the same. What makes me crazy when I write a formal paper? PhD thesis). This thesis is an engineering project.

Let me give some

examples: The problem for placement of nodes at appropriate locations is studied by him. Let me give examples.

The problem for placement of nodes is studied by him.

The problem for deployment of nodes at appropriate locations is studied by him.

The problem for deployment of nodes at appropriate positions is studied by him.

Can I make his/her sound asleep?