我要黑暗 发表于 2025-3-21 19:08:52
书目名称Spectral Theory of Approximation Methods for Convolution Equations影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0873868<br><br> <br><br>书目名称Spectral Theory of Approximation Methods for Convolution Equations读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0873868<br><br> <br><br>contradict 发表于 2025-3-21 21:59:39
Manifolds, Similarly, an approximation sequence over a smooth curve behaves locally as a certain sequence over the tangent, i.e. over the real axis, and these are just the sequences we dealt with in the third chapter.平息 发表于 2025-3-22 04:28:05
Invertibility in Banach algebras,ows to tackle a lot of different invertibility problems (including the Fredholmness of Toeplitz and Wiener-Hopf operators and the stability of spline approximation methods for singular integral and Mellin operators) from a common point of view.ONYM 发表于 2025-3-22 07:31:01
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Around finite sections of integral operators, solve instead of (1) equations of the form . where the projections . are given by.and where . is positive (and large). The . is said to apply to equation (1) if the equations (2) are uniquely solvable for all right sides . and for all . large enough (say, .), and if their solutions . converge to a solution .of (1) as . in the norm of ..青春期 发表于 2025-3-22 18:25:26
Invertibility in Banach algebras,theories in Banach algebras. Then to give the reader a first idea of the usefulness of abstract local principles, we examine the so-called finite section method for Toeplitz operators. From this application we are finally going to extract a general scheme of using Banach algebra techniques which allMinatory 发表于 2025-3-22 23:36:23
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Singularities, in the preceding sections: viz. the analytic singularities caused by discontinuous coefficients in the operators. These singularities bring forth undetermined compact perturbations in stability conditions (compare the operators .. in Theorems 3.9 and 3.11) or, at worst, perturbations behaving irreg