Inner Approximations of the Positive-Semidefinite Cone via Grassmannian Packings.
Tianqi ZhengJames GuthrieEnrique MalladaPublished in: CDC (2021)
Keyphrases
- positive semidefinite
- positive semidefinite matrices
- semidefinite
- semidefinite programming
- kernel matrix
- complementarity problems
- kernel function
- kernel methods
- metric learning
- similarity function
- linear combination
- low rank
- string kernels
- polynomial kernels
- subspace learning
- sufficient conditions
- feature space
- convex sets
- similarity measure
- multi task
- machine learning
- embedding space