Báo cáo hóa học: " HIGHER-ORDER NIELSEN NUMBERS" potx

Ngày tải lên: 20/06/2014, 00:20

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... conference in a series that began in 1977 with a conference in Oberwolfach, Germany. Nielsen theory is named after Jakob Nielsen who, in the 1920s, turned the focus of fixed point theory from the existence ... Reidemeister and Wecken, there was little activity in Nielsen theory until the 1960s when a breakthrough by Boju Jiang allowed for easy calculations of the Nielsen number for map...

Ngày tải lên: 22/06/2014, 22:20

... f ).  The  -Nielsen number is a local Nielsen number in the sense of [3], specifically N  ( f ) = n( f ,Δ  ( f )). However, in local Nielsen theory, the domain U of the local Nielsen number ... R.F.Brown,The Lefschetz Fixed Point Theorem, Scott, Foresman, Illionis, 1971. [2] , Nielsen fixed point theory on manifolds, Nielsen Theory and Reidemeister Torsion (War- saw, 1996), Banac...

Ngày tải lên: 22/06/2014, 22:20

... 1, of the Nielsen class N of F is a Nielsen class of f t = F(t,·)orisempty[10, Corollary 1.5]. Next, we say that the Nielsen classes N 0 , N 1 of f 0 , f 1 , respectively, are in the F -Nielsen ...  Thus the Nielsen classes of a map are included in the Nielsen classes of its homotopy. This theorem generalizes both the fact that the intersection of a Nielsen class of F with {0}×X...

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 21/06/2014, 00:20

... full Nielsen- Jiang periodic numbers, respectively. A Nielsen type number NP n f was introduced in 1, which is a lower bound for the number of periodic points of least period n. Another Nielsen ... either to the fixed point class   f or to the set p Fix  f Nielsen class. The restriction f :Fixf n  → Fixf n  permutes Nielsen classes. We denote the corresponding self-map o...

Ngày tải lên: 21/06/2014, 11:20

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