On n-K Width of Certain Function Classes Defined by Linear Operators in L_2 Space
- ISSN号:1002-0462
- 期刊名称:《数学季刊:英文版》
- 时间:0
- 分类:O174.41[理学—数学;理学—基础数学]
- 作者机构:Department of Mathematics, Inner Mongolia Normal University, Huhhote 010022, China
- 相关基金:Supported by the National Natural Science Foundation of China(11161033); Supported by the Inner Mongolia Normal University Talent Project Foundation(RCPY-2-2012-K-036);Supported by the Inner Mongolia Normal University Graduate Research Innovation Foundation(CXJJS14053); Supported by the Inner Mongolia Autonomous Region Graduate Research Innovation Foundation(S20141013525)
中文摘要:
Let M(u) be an N-function, Lr(f, x) and Kr(f, x) are Bak operator and Kantorovich operator, WM(Lr(f)) and WM(Kr(f)) are the Sobolev-Orlicz classes defined by Lr(f, x), Kr(f, x) and M(u). In this paper we give the asymptotic estimates of the n-K widths dn(WM(Lr(f)), L2[0, 1]) and dn(WM(Kr(f)), L2[0, 1]).
英文摘要:
Let M(u) be an N-function, Lr(f, x) and K_r(f, x) are Bak operator and Kantorovich operator, WM(Lr(f)) and WM(Kr(f)) are the Sobolev-Orlicz classes defined by Lr(f, x), Kr(f, x) and M(u). In this paper we give the asymptotic estimates of the n-K widths dn(WM(Lr(f)), L2[0, 1]) and d_n(WM(Kr(f)), L2[0, 1]).