Column-Convex Matrices, G-Cyclic Orders, and Flow Polytopes.
Rafael S. González D'LeónChristopher R. H. HanusaAlejandro H. MoralesMartha YipPublished in: Discret. Comput. Geom. (2023)
Keyphrases
- convex hull
- data matrix
- spectral density
- rows and columns
- convex optimization
- piecewise linear
- flow patterns
- matrix factorization
- singular value decomposition
- original data
- globally optimal
- convex sets
- doubly stochastic
- pairwise
- flow field
- nonnegative matrix factorization
- positive semidefinite
- pairwise comparison
- missing values
- positive semidefinite matrices
- total order
- convex relaxation
- semidefinite programming
- gene expression data
- linear combination