Polyeruthane on stained oak floor not drying properly

I recently sanded, stained and polyurethaned an oak floor. The problem
I have is that the poly has not dried properly at the edges of the
room... it is very very slightly tacky, but tacky none the less. The
remainder of the floor dried fine, but the edges have had this light
tack for 4-days.

Will it ever dry, can i speed up the drying process somehow.

Floor was stripped back to bare wood, stain and poly were oil-based

That is strange. How was the floor stripped, was a chemical stripper used
or just sanded? Is the stain consistant, could a residue have been left at
the edge due to incomplete wiping after staining or stripping? Any
difference in how the edges were prepped?

Best thing to do for now is turn up the heat and wait a few more days ( a
fan to increase air excange wouldn't hurt either), the alternative is to
remove all or some of the new poly and start over if there was a residue
that damaged the poly.

Might try a little denatured alcohol in an inconspicuous spot, just drip a
little on the tacky floor and blot it up, then wait and see if it starts
drying better. Also try another coat (seems counterintuitive but it may
dilute or cover whatever is inhibiting the poly from hardning)

If most of it has dried, and only edges remain tacky, it suggests it
lacks sufficient air circulation. I'd open a window or use a fan. Why
dry time does it state on the label?