Almost monotone convergence;
Continuity;
Baire;
1;
class;
Upper semicontinuity;
Lower semicontinuity;
Approximate continuity;
APPROXIMATELY CONTINUOUS-FUNCTIONS;
BAIRE CLASSES;
DISCRETE;
LIMITS;
D O I:
10.2478/s11533-011-0030-2
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
A sequence (f (n) ) (n) of functions f (n) : X -> a"e almost decreases (increases) to a function f: X -> a"e if it pointwise converges to f and for each point x a X there is a positive integer n(x) such that f (n+1)(x) a parts per thousand currency sign f (n) (x) (f (n+1)(x) a parts per thousand yen f (n) (x)) for n a parts per thousand yen n(x). In this article I investigate this convergence in some families of continuous functions.
机构:
Lomonosov Moscow State Univ, Moscow 119991, Russia
Moscow Ctr Fundamental & Appl Math, Moscow 119991, RussiaLomonosov Moscow State Univ, Moscow 119991, Russia
Kovalev, M. D.
Kuleshov, A. A.
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机构:
Lomonosov Moscow State Univ, Moscow 119991, Russia
Moscow Ctr Fundamental & Appl Math, Moscow 119991, RussiaLomonosov Moscow State Univ, Moscow 119991, Russia
机构:
Hangzhou Normal Univ, Dept Math, Hangzhou 310036, Zhejiang, Peoples R ChinaHangzhou Normal Univ, Dept Math, Hangzhou 310036, Zhejiang, Peoples R China
Bor, Huseyin
Yu, Dansheng
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机构:
Hangzhou Normal Univ, Dept Math, Hangzhou 310036, Zhejiang, Peoples R ChinaHangzhou Normal Univ, Dept Math, Hangzhou 310036, Zhejiang, Peoples R China