Homotopic factorizations have the same quotient class: 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. fully proved6Proved, and every prerequisite is fully proved too.
graph LR
n0["The group presentation associated to an open cover"]:::fully_proved
n1["Cover factorizations of a loop"]:::fully_proved
n2("Elementary factorization moves preserve the quotient class"):::fully_proved
n3("A homotopy admits a threefold-incidence cover decomposition"):::fully_proved
n4("Homotopic factorizations have the same quotient class"):::fully_proved
n5("The kernel is generated by overlap relations"):::fully_proved
n1 --> n2
n1 --> n4
n0 --> n1
n0 --> n2
n0 --> n4
n0 --> n5
n2 -.-> n4
n4 -.-> n5
n3 -.-> n4
click n0 "../../../../roadmap/fundamental-group/van-kampen/index.html#cover-group-presentation" "The group presentation associated to an open cover — 1 item · 1 fully proved"
click n1 "../../../../roadmap/fundamental-group/van-kampen/index.html#cover-factorization" "Cover factorizations of a loop — 1 item · 1 fully proved"
click n2 "../../../../roadmap/fundamental-group/van-kampen/index.html#factorization-moves" "Elementary factorization moves preserve the quotient class — 1 item · 1 fully proved"
click n3 "../../../../roadmap/fundamental-group/van-kampen/index.html#homotopy-cover-decomposition" "A homotopy admits a threefold-incidence cover decomposition — 1 item · 1 fully proved"
class n4 focus
click n4 "../../../../roadmap/fundamental-group/van-kampen/index.html#homotopic-factorizations" "Homotopic factorizations have the same quotient class — 1 item · 1 fully proved"
click n5 "../../../../roadmap/fundamental-group/van-kampen/index.html#van-kampen-kernel" "The kernel is generated by overlap relations — 1 item · 1 fully proved"