Constructs infinite families of Poincaré-Einstein 4-manifolds with cusps on specific bundles, producing new negative Einstein metrics on R^4 and negatively answering Anderson's question on cusp formation.
On the problem of filling by a Poincaré–Einstein metric in dimension 4
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Poincar\'e-Einstein 4-manifolds with cusps
Constructs infinite families of Poincaré-Einstein 4-manifolds with cusps on specific bundles, producing new negative Einstein metrics on R^4 and negatively answering Anderson's question on cusp formation.