Constructs all axi-symmetric non-gradient m-quasi-Einstein structures on S^2, including new hypergeometric metrics for m≠2 and a uniqueness theorem showing only the flat torus for m=-1 with zero cosmological constant.
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New quasi-Einstein metrics on a two-sphere
Constructs all axi-symmetric non-gradient m-quasi-Einstein structures on S^2, including new hypergeometric metrics for m≠2 and a uniqueness theorem showing only the flat torus for m=-1 with zero cosmological constant.