Fluctuations, effective learnability and metastability in analysis
Fluctuations, effective learnability and metastability in analysis
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分析中的波动、有效学习性和亚稳态
DOI:
10.1016/j.apal.2013.07.014
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Safarik
中科院分区:
文献类型:
--
作者:
Kohlenbach;Safarik
This paper discusses what kind of quantitative information one can extract under which circumstances from proofs of convergence statements in analysis. We show that from proofs using only a limited amount of the law-of-excluded-middle, one can extract functionals (B, L), where L is a learning procedure for a rate of convergence which succeeds after at most B (a)-many mind changes. This (B, L)-learnability provides quantitative information strictly in between a full rate of convergence (obtainable in general only from semi-constructive proofs) and a rate of metastability in the sense of Tao (extractable also from classical proofs). In fact, it corresponds to rates of metastability of a particular simple form. Moreover, if a certain gap condition is satisfied, then B and L yield a bound on the number of possible fluctuations. We explain recent applications of proof mining to ergodic theory in terms of these results.
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DOI:
--
发表时间:
1978
期刊:
影响因子:
--
作者:
H. Friedman
通讯作者:
H. Friedman
影响因子:
0.8
作者:
Federico Aschieri
通讯作者:
Federico Aschieri
影响因子:
0.3
作者:
U. Kohlenbach
通讯作者:
U. Kohlenbach
DOI:
10.1016/j.apal.2014.01.003
发表时间:
2012-10
期刊:
Ann. Pure Appl. Log.
影响因子:
--
作者:
Kojiro Higuchi;Takayuki Kihara
通讯作者:
Kojiro Higuchi;Takayuki Kihara
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
J. Avigad;P. Gerhardy;H. Towsner
通讯作者:
H. Towsner