Nope.
BAQ calculations happen server-side and will have no bearing on the UI.
This is possible. The LandingPage is a grumpy one to work with.
I recall a neat post from @klincecum where he added the columns server-side. Not sure if this is applicable in your situation, but give it a peek: Showing UD Field values from JobHead in Job Entry LandingPage View - #10 by klincecum