floaters 发表于 2025-3-28 17:51:23

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不感兴趣 发表于 2025-3-28 21:15:12

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品尝你的人 发表于 2025-3-28 23:51:48

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扔掉掐死你 发表于 2025-3-29 05:54:32

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高原 发表于 2025-3-29 10:25:53

Educational Institutions in Horror Filmity. The fact is that I do not feel like an elder citizen and am still somewhat shy in the company of my betters. Nevertheless I have been a mathematician for over forty years and some recollections of my early experiences may therefore be of interest.

支形吊灯 发表于 2025-3-29 14:43:15

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Complement 发表于 2025-3-29 17:53:16

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Madrigal 发表于 2025-3-29 20:12:35

Stephen P. Keeler,Thomas A. Grandiner factorization T = UP, U unitary, and satisfying the condition that T*T and TT* commute, if and only if P ≧ 0 and σ.(P) contains at least two points, 0 is not in σ.(P), and, whenever σ.(P) is not empty, neither sup σ.(P) nor inf σ.(P) belongs to σ.(P) with a finite multiplicity.

archaeology 发表于 2025-3-30 01:51:09

Educational Justice and Tentative Hoperacterized. The ultraevanescent part, i.e., the orthocomplement of both (unilateral and modified unilateral) translation parts, is also considered. Finally, conditions on self-duality of isometric semigroups in terms of unilateral, modified unilateral translation and ultraevanescent semigroups are discussed.

四牛在弯曲 发表于 2025-3-30 04:14:36

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查看完整版本: Titlebook: Anniversary Volume on Approximation Theory and Functional Analysis; P. L. Butzer,R. L. Stens,B. Sz.-Nagy Book 1984 Springer Basel AG 1984