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1.
w
a(x)=exp(–xa), xR, a0. , N
n
(a,p,q) — (2),
n P
nwap, CNn(a,p, q)Pnwaq. , — , {P
n}, .
This material is based upon research supported by the National Science Foundation under Grant No. DMS-84-19525, by the United States Information Agency under Senior Research Fulbright Grant No. 85-41612, and by the Hungarian Ministry of Education (first author). The work was started while the second author visited The Ohio State University between 1983 and 1985, and it was completed during the first author's visit to Hungary in 1985. 相似文献
This material is based upon research supported by the National Science Foundation under Grant No. DMS-84-19525, by the United States Information Agency under Senior Research Fulbright Grant No. 85-41612, and by the Hungarian Ministry of Education (first author). The work was started while the second author visited The Ohio State University between 1983 and 1985, and it was completed during the first author's visit to Hungary in 1985. 相似文献
2.
3.
L r 1 k/n W
p
r+1
p<) 2- f(t), f
(r)(t)
, a
. , W
p
r+1
, =1 W
L
r+1
2n- L. 相似文献
4.
5.
, n- n- 1 , . , , ( « ») f . 相似文献
6.
n
—n-
— ƒ()L
v
(T
n
), 1
f, - -. -. 相似文献
7.
8.
, [0, 1], (n+1) n-. . [2]. — (. 5.4 5.6). . 6.4 2 [5]. , [4]. , , [6] [7]. [1]. 相似文献
9.
10.
11.
В. Ф. Гапошкин 《Analysis Mathematica》1985,11(3):193-199
(C, ). , . 0<<1. 1) - (
k
),
k
=a
k
, (C, ),
. 2)
, , (C, ) ;
k
= =¦a
k
¦. 相似文献
12.
F. Móricz 《Analysis Mathematica》1979,5(2):135-147
Z
d — k=(k
1, ...,k
d) k
j,d1.d- (8), . .
a
k s
m=
a
k s, >0 N, min (m
1,...,m
d)N, ¦s
m–s¦. , , >0 N, min (m
1,...,m
d)N min (n
1,...,n
d)N, ¦s
m–s
n. . , (8) , >0 N, max (b
1,...,b
d) N, m — Z
d
, m1, ¦s(b, m)¦ where
相似文献
13.
, . , L
p
(2) p>1 . , C(T3), - , . - .
This work was completed while the first named author was a visiting professor at Indiana University, Bloomington, Indiana; and the second named author was a visiting professor at Ohio State University, Columbus, Ohio, U.S.A. 相似文献
This work was completed while the first named author was a visiting professor at Indiana University, Bloomington, Indiana; and the second named author was a visiting professor at Ohio State University, Columbus, Ohio, U.S.A. 相似文献
14.
15.
— [0,1] ,E — - e=1 [0,1]. I —
E
=1, E=L
2 x
e
=xL
2 x E.
This work was prepared when the second author was a visiting professor of the CNR at the University of Firenze. He was supported by the Soros International Fund. 相似文献
This work was prepared when the second author was a visiting professor of the CNR at the University of Firenze. He was supported by the Soros International Fund. 相似文献
16.
17.
( qP. ) 相似文献
18.
19.
20.
I. L. Bloshanskii 《Analysis Mathematica》1988,14(2):139-155
. E, E [–, ], E>0 ( — ) fL
1
([–, ]),f=0 [–, ]E, . . E . . . 1955 . ( ) . 1918 . ( ) L
, . 相似文献