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Symmetrizable linear transformations

✍ Scribed by Peter D. Lax


Publisher
John Wiley and Sons
Year
1954
Tongue
English
Weight
874 KB
Volume
7
Category
Article
ISSN
0010-3640

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For an arbitrary subset I of and for a function f defined on I, the number of zeros of f on I will be denoted by In this paper we attempt to characterize all linear transformations T taking a linear subspace W of C I into functions defined on J (I J βŠ† ) such that Z I f = Z J Tf for all f ∈ W .