東工大トポロジーセミナー： Andrei Pajitnov 氏

　Let f be a diffeomorphism of a compact manifold M onto itself and X its mapping torus; then X is fibred over a circle, and f can be interpreted as the monodromy map of this fibration. In this talk we show a relation between non-zero higher Massey products in cohomology of X and Jordan blocks of size > 1 of the homomorphism in the homology induced by f. We prove in particular that if X is a Kaehler manifold, then the monodromy homomorphism in homology is diagonalizable.