An equivariant link surgery formula is proved, giving diffeomorphism-induced maps on Heegaard Floer homology, and used to show the kernel of the forgetful map from the equivariant homology cobordism group contains a Z^infty summand.
Reine Angew
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The link surgery formula and equivariant surgeries
An equivariant link surgery formula is proved, giving diffeomorphism-induced maps on Heegaard Floer homology, and used to show the kernel of the forgetful map from the equivariant homology cobordism group contains a Z^infty summand.