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1.
Z. A. čanturija 《Analysis Mathematica》1979,5(1):9-17
, >0 C L - ( ) {Q
n(x)} , Q
n
(x)–v
n
n
1+ nn
0
(). , =0. 相似文献
2.
T. I. Akhobadze 《Analysis Mathematica》1982,8(2):79-102
. , , –1<<0. .
The present work was written on the basis of two earlier works received byAnalysis Mathematica on January 16, 1979, and July 20, 1979. 相似文献
The present work was written on the basis of two earlier works received byAnalysis Mathematica on January 16, 1979, and July 20, 1979. 相似文献
3.
Converse theorems for multidimensional Kantorovich operators 总被引:4,自引:0,他引:4
Ding -Xuan Zhou 《Analysis Mathematica》1993,19(1):85-100
L
p
[0, l]. . . - .
Supported by National Science Foundation, Zhejiang Provincial Science Foundation of China, and Alexander von Humboldt Foundation of Germany. 相似文献
Supported by National Science Foundation, Zhejiang Provincial Science Foundation of China, and Alexander von Humboldt Foundation of Germany. 相似文献
4.
5.
K. Tandori 《Analysis Mathematica》1980,6(2):157-164
. . . : sn(x) — , n-(, 1)- n
L
2. , . , :
a
k
l
2
n
() [0,1] , (*) , (**) .
a
k
l
2
u
n
() [0,1] , (**), (*) . 相似文献
6.
V. F. Gapoškin 《Analysis Mathematica》1980,6(2):105-119
a
k
f
k
, f
k
L
2, w-, (2), w(n) — .
a
k
f
k
N {a
k
}l
2, {a
k
}l
2 ( 1, 2, 1a, 2a). ( 2) [8]. , {a
k
} w-. 相似文献
7.
(0; 0, 1) , {x
k
<x
k
*
<x
k+1}
k=1
n–1
{x
k
k=1
n
}., I, ,
n
(x)=P
n
(, )
(x)–n- , =, n3 . , x
0=+1 x
n+1= –1. II .
To the memory of Paul Erds
The research was supported by the Hungarian National Foundation for Scientific Research under Grant # T 914 244. 相似文献
To the memory of Paul Erds
The research was supported by the Hungarian National Foundation for Scientific Research under Grant # T 914 244. 相似文献
8.
9.
, (n), - (P
n
), P
n
(A
n
)>0P
n
(A
n
)0,n. [15] - , . , P
n
P
n
T
n
T
n
. 相似文献
10.
I. L. Blošanskii 《Analysis Mathematica》1981,7(1):3-36
. E , f(x)L
p
(T
N
),P1,f(x)=0 E (E—
N
=[-, ]N) E , . , .
In closing the author thanks V. A. Il'in and . A. Alimov for their constant attention paid to the present work. 相似文献
In closing the author thanks V. A. Il'in and . A. Alimov for their constant attention paid to the present work. 相似文献
11.
G— - {G
n
}
n
=– , G
n
=G G
n
={0}. G. K(,p,q;G) K(,p,q;) - G , . , G - (. . sup {order (G
n
/G
n
+1):=0, ± 1, ...<), K(.,p,q;G) L
p/(p–p–1),q
() L
p/(p–p–1),q
() K(-,p,q; ), 1<p2, 0<<1/p=1–1/p, 0<q. . . . . 相似文献
12.
. , , . . . . 相似文献
13.
14.
[8] . , , [2] , . - , , , . . 相似文献
15.
L. Klotz 《Analysis Mathematica》1992,18(1):63-72
— -B T . , T, T. — T, .., d=1. - . Cere: 0<p< exp logd=inf ¦1–t¦
p
d, t , t(0)=0., . . . . . , . [1]. , . p=2 . - . p=2 [6, 8]. — p. 相似文献
16.
Ferenc Móricz 《Analysis Mathematica》1985,11(2):125-137
, - , (C, 1,1), (C, 1,0) (C, 0,1)- . , , . - .
Dedicated to Academician S. M. Nikol'skii on his 80th birthday 相似文献
Dedicated to Academician S. M. Nikol'skii on his 80th birthday 相似文献
17.
S. I. Novikov 《Analysis Mathematica》1992,18(1):73-86
n
(D) — ,s —
n
(D),
v
(v=1, 2, ...,s/2) — .
m={0x
0<x
1<...<x
2m–1<2,x
2m
=x
0+2} , x
j
+1–x
j
<(4s max
v
)–1,j=0, 1, ..., 2m –1, ( ) 2- -
n,m
2m ,
m
. , L
q
- (1q) W
(
n
)={f
2
:f
(n–1)AC
2
,
n
(D)f 1} 2- - (s
n
f),
m
. , - -
n,m
.
The author expresses his gratitude to Yu. N. Subbotin for a useful discussion on the results of this paper. 相似文献
The author expresses his gratitude to Yu. N. Subbotin for a useful discussion on the results of this paper. 相似文献
18.
19.
20.
, , , . .
Dedicated to Professors K. Tandori and L. Leindler on the occasion of their anniversaries
This work was completed in support of the Russian Foundation of Fundamental Research (Project # 96-01-00094) and of the International Scientific Foundation (Grant # NCI-300). 相似文献
Dedicated to Professors K. Tandori and L. Leindler on the occasion of their anniversaries
This work was completed in support of the Russian Foundation of Fundamental Research (Project # 96-01-00094) and of the International Scientific Foundation (Grant # NCI-300). 相似文献