Viewing a List of Threads Started by You
For topics you have created, you can use the stream you linked, though you may also want to set [ Content Types ] to display only [ topics ] started by you, as it by default also shows status updates etc..
The closest thing you may find is the follow function.
As you may know, you can follow areas / threads to be notified when something new is posted.
Now you can view the list of followed content by select