Abstract
For arbitrary \(S^{1}\)-actions on \(S^{m}_{{\mathbb {Q}}}\), \(S^{n}_{{\mathbb {Q}}}\), and \(S^{m}_{{\mathbb {Q}}}\times S^{n}_{{\mathbb {Q}}}\), we show the conditions for the tenability of the homotopy equivalence \((S^{m}_{{\mathbb {Q}}})^{hS^{1}}\times (S^{n}_{{\mathbb {Q}}})^{hS^{1}}\simeq (S^{m}_{{\mathbb {Q}}}\times S^{n}_{{\mathbb {Q}}})^{hS^{1}}\). Here, \(X^{hS^1}\) denotes the homotopy fixed point set of an \(S^1\)-action on an space X.
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Xiugui Liu is the corresponding author of this paper, and was supported in part by Tianjin Natural Science Foundation (Grant No. 19JCYBJC30200).
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Liu, J., Xie, S. & Liu, X. On the homotopy fixed point sets of circle actions on product spaces. Arch. Math. 116, 97–105 (2021). https://doi.org/10.1007/s00013-020-01512-w
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DOI: https://doi.org/10.1007/s00013-020-01512-w