Basic Appell sequences (Q2479975)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Basic Appell sequences |
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Basic Appell sequences (English)
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3 April 2008
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The authors study a subclass of Sheffer sequences called denominated Appell sequences. Using methods of the so-called umbral calculus in conjunction with general results of nuclear Fréchet spaces and the theory of Köthe sequence spaces, necessary and sufficient conditions for an Appell sequence to be a basis are given.
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denominated Appell sequences
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umbral calculus
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nuclear Fréchet spaces
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Köthe sequence spaces
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basis
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