Cross-listed L0 fiber-bundle. Hurewicz fibration: homotopy-lifting property. Long-exact-sequence in homotopy. Serre fibration weaker. Foundation of obstruction-theory.
Cross-listed L0 fiber-bundle. Hurewicz fibration: homotopy-lifting property. Long-exact-sequence in homotopy. Serre fibration weaker. Foundation of obstruction-theory.