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TA的每日心情 | 衰 2014-6-9 20:45 |
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签到天数: 290 天 [LV.8]以坛为家I
 群组: Matlab讨论组 群组: 2013年数学建模国赛备 |
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%-----------------------作者定义9 h. ~) j4 E/ Z
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{\heiti\zihao{2}\LARGE\bf \huge 序列覆盖映射的注记}%Semi-Fredholm 算子时的应用}
I( d/ Q7 m& D+ D%\vskip.1in
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: s* Q7 ]' t& S; r1 \; L' \' a\footnotetext{收稿日期: 2003-07-08.} \footnotetext{基金项目:3 b! M& t, \6 C' ] d
国家自然科学基金资助课题(No. 10271026),* R2 }) D! h* Q4 h% X$ w* l
福建省自然科学基金资助项目(No. F0310010) ,
, O5 s6 f: Q+ o( ~/ y福建省高校科技资助项目(No. K2001110).}2 _5 \3 t" L% b6 Y
%数学天元基金(No. TY10126022)及973计划(No. 2002cb312200)资助.}
* K! B: P0 v$ ~3 A! Z" M8 O8 h' |) j\footnotetext{E-mail: linshou@public.ndptt.fj.cn} \footnotetext{*# y* \$ u/ F9 ~5 A
作者现在通信地址.}: v9 s( R& z# L- W& o) C
7 T; F, i3 }1 Z6 q' [/ F' |1 F%-------------------------------------------------------------------------# ~% G1 s! n0 _3 m" H
%\centerline{\Rightarrowrge\zihao{4}\songti 蔡俊亮}" ^% p1 S: K$ \+ C- ^! a
%\vskip.1in# m; h- t2 m2 E( W$ _: c
%\centerline{\small\zihao{6} (北京师范大学数学系, 北京, 100875, 中国)}
3 b4 ~3 r/ Y! N% W4 B%\vskip .1in- n5 t' t/ h( e$ }& n" Z
\centerline{\fangsong\large\zihao{4} 杨 \ \ 凤$^{1,2}$,\quad 钮凯$^{2}$ } \vskip.1in6 a* Z, k- d( J9 W* R8 E9 t
\centerline{\small\zihao{-5}(1. 漳州师范学院数学系, 漳州, 福建,
/ C4 h" J u( K9 w2 I, C8 |363000;\ \ 2. 宁德师范高等专科学校数学系, 宁德, 福建, 352100)}
# }- u+ F: v( R6 T4 t! i' O\vskip.25in {\narrower\fangsong\zihao{-5}\small {\zihao{-5}\heiti
+ w; a; v/ K1 T: j1 X摘要:}\ \
. J0 N2 O# ?1 j$ R/ c( @' k2 g本文的主要结果是构造两个例子分别说明1序列覆盖的商映射未必是弱开映射,
$ _/ x3 D7 O5 v, |- o& w度量空间上的序列覆盖$\pi$映射未 必是1序列覆盖映射.& f8 ]7 C* J5 T/ q( V4 |, G+ j, a9 a
; }+ K8 D+ m$ s6 Q! w& Q{\zihao{-5}\heiti\tenbf 关键词:}\ \ 序列覆盖映射; 1序列覆盖映射;+ i" v! t1 h9 I5 G2 k: W. y
弱开映射; $\pi$映射; 商映射3 k: L3 h7 u$ J% r4 k' F
; v! g- y! ?- V{\tenbf\zihao{-5}\heiti MR(2000) 主题分类:}\ \ 54C10; 54D55; 54E405 b; X+ b7 a% v" V
/ {\tenbf\zihao{-5}\heiti 中图分类号:} O189.14 w: {8 {. s' j) O; j
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%%{\zihao{-5}\heiti 文献标识码:}\ \ A\qquad {\heiti\zihao{-5} 文章编号:}\ \- Y* k$ B" G7 p6 M8 v# h0 i
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}
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\baselineskip 15pt \vskip.15in7 g2 b5 q! t J5 D
- F, ?/ @6 L# F7 J5 X/ E$ i: [\sec{0 引言}7 j# V8 ]* d. x- Y& a& a& _
6 E0 D0 p: t3 ]9 Z% }9 C+ q
) ?* k. _/ y7 T, H. z) l) D\sec{参考文献} \baselineskip 13pt {\footnotesize8 H9 U' H' ^9 p* {5 R# ]1 x
2 p' d; d( c' l* E1 S( q\REF{[1]} Daves, C, Kahan, W.M., The rotation of eigenvectors by a
! \5 o7 b5 T4 ]# cperturbation, {\it SIAM J Numer Anal.}, 1970, 1(2): 1-46.
# n' J. N. M5 b! D/ r# ~+ A& q1 a% {6 K% N( x7 O9 V3 U! m
}
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\vskip .25in
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& {! v: m9 ]. r$ Q3 w) K{\Large\bf Relative Perturbation Bounds for }\\[.1in]
2 J5 F6 \% R$ K$ }, K9 C# [%vskip .13in
' ^! O; d$ i0 p{\Large\bf the Subunitary Polar Factor }\\[.1in]* i; B5 G5 W/ ~" |* c
%\vskip .18in
7 V- X. f- G" q( P/ ?8 X. [2 s' L{\Large\bf the Under Unitarily Invariant Norms}\\[.18in]
' A$ p. I/ u5 F8 X% ~%\vskip .18in+ x+ L6 n) y, N, \3 j
{\normalsize\zihao{5} YANG Feng$^{1,2}$, \quad NIU Kai$^2$}\\[.1in]
0 m# h$ O% v+ F%\vskip .08in
5 P$ f* W z2 p! e. R{\footnotesize\it(Department of Mathematics, South China Normal' Q) _. _; r! t) t, S
University, Guangzhou, Guangdong, 510631,' m% V9 }& x- y% v( r
P. R. China)}\\[.25in]/ v ?, X& W- O0 C+ ]. a
%\vskip .1in/ B, \# X' C: g9 J: s
%{\zihao{5} Liu Yanpei}* l- y7 i0 w& @" d0 K
%\vskip .08in
- k2 U3 _ v8 @2 ~2 N%{\footnotesize\it(Department of Mathematics, Northern Jiaotong University,1 A3 R9 l4 L! M' T* m3 ^
%Beijing, 100044, P.~R.~China)}
' @" ?. z7 E1 ^1 V/ I) J! C\end{center}9 ]! n) P1 \- p* D
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\baselineskip 14pt
8 ^7 P% C- Q" d6 Y/ c1 ^$ H" G. t! b% Y3 x6 c
\zihao{5}\normalsize {\indent{\bf Abstract:}\ \4 {/ s6 D9 h- t. k
" N) T3 c! |9 M( S4 V" h
{\bf Key words:}\ \
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