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Jan, 2008
最优分配核矩阵不是正定的
The optimal assignment kernel is not positive definite
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Jean-Philippe Vert
TL;DR
本文研究了一种将标记图及基本数据元组嵌入到 Hilbert 空间的最优分配核技术，并证明它并不总是正定的。
Abstract
We prove that the
optimal assignment kernel
, proposed recently as an attempt to embed
labeled graphs
and more generally tuples of
basic data
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