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math.AT2022
On equivariantly formal 2-torus manifolds
Li Yu
A 2-torus manifold is a closed connected smooth n-manifold with a non-free effective smooth -action. In this paper, we prove that a 2-torus manifold is equivariantl…
math.AT2010
A proof of Halperin-Carlsson Conjecture for free Z_2-torus actions on manifolds
Li Yu
This paper has been withdrawn due to a gap in the proof of the main result.
math.AT2010★ 4 cited
On the constructions of free and locally standard Z_2-torus actions on Manifolds
Li Yu
We introduce an elementary way of constructing principal (Z_2)^m-bundles over compact smooth manifolds. In addition, we will define a general notion of locally standard (Z_2)^m-act…