Periodic points;
Nielsen number;
Fixed point index;
Smooth maps;
INDEX;
D O I:
10.2478/s11533-012-0122-7
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
Let f be a smooth self-map of m-dimensional, m a parts per thousand yen 4, smooth closed connected and simply-connected manifold, r a fixed natural number. For the class of maps with periodic sequence of Lefschetz numbers of iterations the authors introduced in [Graff G., Kaczkowska A., Reducing the number of periodic points in smooth homotopy class of self-maps of simply-connected manifolds with periodic sequence of Lefschetz numbers, Ann. Polon. Math. (in press)] the topological invariant J[f] which is equal to the minimal number of periodic points with the periods less or equal to r in the smooth homotopy class of f. In this paper the invariant J[f] is computed for self-maps of 4-manifold M with dimH (2)(M; a"e) a parts per thousand currency sign 4 and estimated for other types of manifolds. We also use J[f] to compare minimization of the number of periodic points in smooth and in continuous categories.