找出不具有 Kähler 结构的紧致辛流形.
Thurston 给出了一个 4 维的例子.
References:
A. Weinstein, Lectures on symplectic manifolds, C.B.M.S. regional conference series, 29, A.M.S. Rhode Island, 1977.
Answer
Thurston 给出了一个 4 维的例子.
References:
A. Weinstein, Lectures on symplectic manifolds, C.B.M.S. regional conference series, 29, A.M.S. Rhode Island, 1977.