摘要：A version of the 'Fredholm index = spectral flow' theorem is proved for general families of elliptic operators {A(t)} t∈R on closed (compact and without boundary) manifolds. Here we do not require that A(t), t∈R or its leading part is self-adjoint.

注：因版权方要求，不能公开全文，如需全文，请咨询杂志社