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发表于 2025-3-30 10:09:16
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发表于 2025-3-30 16:06:33
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发表于 2025-3-30 17:02:38
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发表于 2025-3-30 21:41:08
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发表于 2025-3-31 04:35:02
Hacène Boutabia,Bernard Maisonneuvef the abstract theory of operators in Hilbert spaces. They give a complete spectral theory for ordinary differential expressions of arbitrary order n operating on -valued functions existence and construction of self-adjoint realizations via boundary conditions, determination and study of general pro
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harpsichord
发表于 2025-3-31 11:30:38
Dominique Bakry,Dominique Michelract theory of operators in Hilbert spaces. They give a complete spectral theory for ordinary differential expressions of arbitrary order n operating on -valued functions existence and construction of self-adjoint realizations via boundary conditions, determination and study of general properties of
vibrant
发表于 2025-3-31 13:51:22
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bourgeois
发表于 2025-3-31 20:46:04
Martin Baxterract theory of operators in Hilbert spaces. They give a complete spectral theory for ordinary differential expressions of arbitrary order n operating on -valued functions existence and construction of self-adjoint realizations via boundary conditions, determination and study of general properties of
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发表于 2025-4-1 01:15:18
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