Fatuous
发表于 2025-3-21 17:03:04
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星星
发表于 2025-3-21 22:12:34
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VEST
发表于 2025-3-22 03:26:32
Spectral Properties and Regularity,nsider now the operator . where . — lim denotes the weak limit in .. The domain of . is the set of all x ϵ. forr which the weak limit on the right-hand side of (1.1) exists. Since the existence of a limit implies the existence of a weak limit, it is clear that à extends .. That this extension is not
哀悼
发表于 2025-3-22 07:52:04
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Cuisine
发表于 2025-3-22 10:23:48
,Applications to Partial Differential Equations—Nonlinear Equations,uation in ∝. . where . is a complex valued function and . a real constant. The space in which this problem will be considered is L.(R.). Defining the linear operator . by .(R.)and . = — . & . for . ϵ .(.) the initial value problem (1.1) can be rewritten as .where ..
没花的是打扰
发表于 2025-3-22 13:33:58
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CLOT
发表于 2025-3-22 18:28:38
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表被动
发表于 2025-3-23 00:05:24
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门闩
发表于 2025-3-23 04:24:22
Evolution Equations,Let . be a Banach space. For every .,0 ≤. . ⊂ . be a linear operator in . and let . (.) be an . valued function. In this chapter we will study the initial value problem ..
分开如此和谐
发表于 2025-3-23 05:42:33
Some Nonlinear Evolution Equations,In this section we will study the following semilinear initial value problem: . where . is the infinitesimal generator of a C.semigroup . 0, on a Banach space . and .: .. X . is continuous in . and satisfies a Lipschitz condition in