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20032005
most citedBonding Configurations and Collective Patterns of Ge Atoms Adsorbed on Si(111)-7x7

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math.GT2003

Some examples of aspherical 4-manifolds that are homology 4-spheres

John G. Ratcliffe, Steven T. Tschantz

In this paper, Problem 4.17 on R. Kirby's problem list is solved by constructing infinitely many aspherical 4-manifolds that are homology 4-spheres