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math.AT2022
Spin structures on complex projective spaces and circle actions
Donghoon Jang
It is known that the complex projective space admits a spin structure if and only if is odd. In this paper, we provide another proof that doe…
math.AT2022
Circle actions on 6-dimensional oriented manifolds with 4 fixed points
Donghoon Jang
In this paper, we classify the fixed point data (weights and signs at the fixed points), of a circle action on a 6-dimensional compact oriented manifold with 4 fixed points. We pro…