Frame Spectral Pairs and Exponential Bases
Frame Spectral Pairs and Exponential Bases
复制标题
帧谱对和指数底
DOI:
10.1007/s00041-021-09872-9
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发表时间:
2021
影响因子:
1.2
通讯作者:
Mayeli, Azita
中科院分区:
文献类型:
--
作者:
Frederick, Christina;Mayeli, Azita
Given a domainwith positive and finite Lebesgue measure and a discrete set, we say thatis aframe spectral pairif the set of exponential functionsis a frame for. Special cases of frames include Riesz bases and orthogonal bases. In the finite setting,, a frame spectral pair can be similarly defined. In this paper we show how to construct and obtain new classes of frame spectral pairs inby “adding” a frame spectral pair into a frame spectral pair in. Our construction unifies the well-known examples of exponential frames for the union of cubes with equal volumes. We also remark on the link between the spectral property of a domain and sampling theory.
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