Surgery on closed 4-manifolds with free fundamental group
Krushkal, Vyacheslav S. · Lee, Ronnie
Original · EN
Even though the disk embedding theorem is not available in dimension 4 for free fundamental groups, some surgery problems may be shown to have topological solutions. We prove that surgery problems may be solved if one considers closed 4-manifolds and the intersection pairing is extended from the integers, and prove a related splitting result.
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