Original official author HTML, exact retained edition. Historical TeX conversion verdicts remain unchanged. Cited-edition alignment and mathematical self-containment are not assessed.
Source coverage notes 26 original proof heading/text diagnostics lack independently established complete proof boundaries; diagnostic occurrences may overlap and are not a count of distinct proofs. Complete original source context · Original author HTML
Theorem 1.7
Let f : X → B f:X\rightarrow B be a well-behaved
T 3 T^{3} -fibration. If b 0 ∈ Δ g b_{0}\in\Delta_{g} , then X b 0 X_{b_{0}} is homeomorphic to
I 1 × S 1 I_{1}\times S^{1} or S 2 × S 1 S^{2}\times S^{1} .
There is a basis of H 1 ( X b , 𝐙 ) H_{1}(X_{b},{\bf Z})
for b b near b 0 b_{0} in which the monodromy group is generated by
( 1 1 0 0 1 0 0 0 1 ) \pmatrix{1&1&0\cr 0&1&0\cr 0&0&1\cr} ,
( 0 − 1 0 1 1 0 0 0 1 ) \pmatrix{0&-1&0\cr 1&1&0\cr 0&0&1\cr} , or
( 0 − 1 0 1 3 0 0 0 1 ) \pmatrix{0&-1&0\cr 1&3&0\cr 0&0&1\cr} .