A cubic scaling algorithm for excited states calculations in particle-particle random phase approximation.
Jianfeng LuHaizhao YangPublished in: J. Comput. Phys. (2017)
Keyphrases
- detection algorithm
- theoretical analysis
- improved algorithm
- cost function
- high accuracy
- closed form
- preprocessing
- significant improvement
- experimental evaluation
- computational cost
- optimization algorithm
- expectation maximization
- polygonal approximation
- k means
- optimal solution
- objective function
- dynamic programming
- learning algorithm
- particle swarm optimization
- randomly generated
- simulated annealing
- approximation methods
- preprocessing phase
- polynomial time approximation
- recognition algorithm
- greedy algorithm
- monte carlo
- least squares
- np hard
- computational complexity
- clustering algorithm