Bounds on the Distance Between a Unital Quantum Channel and the Convex Hull of Unitary Channels.
Nengkun YuRunyao DuanQuanhua XuPublished in: IEEE Trans. Inf. Theory (2017)
Keyphrases
- convex hull
- minimum distance
- multi channel
- convex combinations
- communication channels
- closest points
- cross channel
- channel capacity
- upper bound
- mixed integer
- closest point
- mimo systems
- lower bound
- bit errors
- nearest point
- convex polyhedra
- point sets
- distance function
- fading channels
- training samples
- convex sets
- linear inequalities
- feasible solution
- euclidean distance
- simple polygon
- video transmission
- computational geometry
- extreme points
- image processing