Hi,

I am really struggling with a subject at my university which is all about partial differential equations. It takes me a long time to understand even the most basic concepts, and I really need some help understanding and completing the following questions.

Let be a bounded region in , and suppose on .

(i) If is a solution of

show that on

(ii) If is a solution of

show that is unique (It can be assumed that part (i) is true).