Complete space 完备空间与柯西序列 巴拿赫空间与完备空间 完备空间与和希尔伯特空间 封闭closed与完备性complete

http://www.gatsby.ucl.ac.uk/~gretton/coursefiles/RKHS2013_slides1.pdf

RKHS: a function space with a very special structure