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The statement about classifying n-sheeted coverings in terms of homomorphisms to S_n should have the condition that the homomorphism has transitive image.
Math 525: Lecture for March 14, 2025
From James Pascaleff
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Math 525: Lecture for March 12, 2025
From James Pascaleff
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More on covers. Please forgive rough editing and the flubbed explanation about 8 minutes in.
Math 525: Lecture for March 10, 2025
From James Pascaleff
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