Learning with Non-Positive Kernels
Cheng Soon Ong, Xavier Mary, Stéphane Canu and Alex Smola
In: International Conference on Machine Learning, 2004, July 4-8, 2004, Banff, Canada.
What happens when we do not have a positive definite kernel? It turns out that we can still do learning, in what is now a Krein Space. This paper talks about regression with indefinite kernels.