A fixed-point-free disk map produces a boundary retraction: 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 proved2Proved, and every prerequisite is fully proved too.

graph LR n0("A fixed-point-free disk map produces a boundary retraction"):::fully_proved n1("Brouwer's fixed-point theorem for disks"):::fully_proved n0 -.-> n1 class n0 focus click n0 "../../../../../roadmap/homology/computations-and-applications/sphere-homology/index.html#fixed-point-free-disk-map-retraction" "A fixed-point-free disk map produces a boundary retraction — 1 item · 1 fully proved" click n1 "../../../../../roadmap/homology/computations-and-applications/sphere-homology/index.html#brouwer-fixed-point-disk" "Brouwer's fixed-point theorem for disks — 1 item · 1 fully proved"