On Reproducing Kernel Banach Spaces: Generic Definitions and Unified Framework of Constructions
On Reproducing Kernel Banach Spaces: Generic Definitions and Unified Framework of Constructions
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关于再现核 Banach 空间:通用定义和统一的构造框架
DOI:
10.1007/s10114-022-1397-7
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发表时间:
2019-01
期刊:
影响因子:
--
通讯作者:
Jun Zhang
中科院分区:
文献类型:
--
作者:
Rongrong Lin;Haizhang Zhang;Jun Zhang
Recently, there has been emerging interest in constructing reproducing kernel Banach spaces (RKBS) for applied and theoretical purposes such as machine learning, sampling reconstruction, sparse approximation and functional analysis. Existing constructions include the reflexive RKBS via a bilinear form, the semi-inner-product RKBS, the RKBS withℓ1norm, thep-norm RKBS via generalized Mercer kernels, etc. The definitions of RKBS and the associated reproducing kernel in those references are dependent on the construction. Moreover, relations among those constructions are unclear. We explore a generic definition of RKBS and the reproducing kernel for RKBS that is independent of construction. Furthermore, we propose a framework of constructing RKBSs that leads to new RKBSs based on Orlicz spaces and unifies existing constructions mentioned above via a continuous bilinear form and a pair of feature maps. Finally, we develop representer theorems for machine learning in RKBSs constructed in our framework, which also unifies representer theorems in existing RKBSs.
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影响因子:
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