Degree gives a character of a sphere action: local context

Project map · Chapter map · Full theorem DAG · Open textbook statement

This local map shows one dependency hop in either direction. The highlighted item is the current focus. What the colours mean

fully proved3Proved, and every prerequisite is fully proved too.

graph LR n0("The formal properties of degree"):::fully_proved n1["Degree gives a character of a sphere action"]:::fully_proved n2("Only the antipodal group acts freely on an even sphere"):::fully_proved n0 --> n1 n1 --> n2 click n0 "../../../../../roadmap/homology/computations-and-applications/degree/index.html#basic-degree-properties" "The formal properties of degree — 1 item · 1 fully proved" class n1 focus click n1 "../../../../../roadmap/homology/computations-and-applications/degree/index.html#sphere-action-degree-character" "Degree gives a character of a sphere action — 1 item · 1 fully proved" click n2 "../../../../../roadmap/homology/computations-and-applications/degree/index.html#free-even-sphere-action" "Only the antipodal group acts freely on an even sphere — 1 item · 1 fully proved"