Combinatorial formulas for .-coordinates in a totally nonnegative Grassmannian.

Published in: J. Comb. Theory, Ser. A (2011)

Keyphrases

graph embedding
nonnegative matrix factorization
subspace learning
objective function
geometrical structure
linear programming
discriminant analysis
data representation
mathematical formulas
newly defined
multiresolution
matrix factorisation
database
multiscale
image space
horn clauses