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On the other hand, there is an inclusion ι\iotaι of C∗\mathbb{C}^\astC∗ into GLnC\operatorname{GL}_n \mathbb{C}GLnC (the diagonal matrix embedding z↦z⋅Inz\mapsto z\cdot I_nz↦z…
If p :E→Bp\colon E\to Bp:E→B is a covering map such that BBB is simply connected, must EEE be simply connected?
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