Periodicity in quasipolynomial convolution (Q1773152)
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scientific article; zbMATH DE number 2161267
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Periodicity in quasipolynomial convolution |
scientific article; zbMATH DE number 2161267 |
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Periodicity in quasipolynomial convolution (English)
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25 April 2005
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Summary: The leading term of a convolution of quasipolynomials with periods \(p\) and \(q\) is periodic with period \(\gcd(p,q)\), smaller than expected. The degree of the convolution is usually \(d+e+1\); we characterize the exceptions. To do this we need to characterize the null space of a circulant matrix.
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null space
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circulant matrix
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