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arxiv: math/9502211 · v1 · pith:ULTWP62Rnew · submitted 1995-02-09 · 🧮 math.CO

DX-operator expansion

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keywords characterizedx-operatorexamplesexpansionexpressedformgivelinear
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We characterize those linear operators that can be expressed as a sum over k of terms of the form f_k(D) x^k and give several examples.

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