As far as I know, one program, one editor, one project
Someday, a solution
Adobe Anywhere http://www.adobe.com/products/adobeanywhere.html
how can we work together on a Premiere Pro project?
Sit next to each other. It's how my producer and I do it.
I do not think that's what I'm looking for: We want to work in pairs on a project in which the project is located on one of two computers. Both computers have well each license Premiere PRo
Is it possible to work like this and how?
It's not. You will need two projects.
But, when you're done, you can import any part of one project into another to combine things.