Fast and Global Optimal Nonconvex Matrix Factorization via Perturbed Alternating Proximal Point

Keyphrases

• Alternating Minimization 100%
• Block Structure 33%
• Data Signal 33%
• Factorization Problem 33%
• First-order 33%
• Global Optimal Solution 100%
• Gradient-based 33%
• High Probability 33%
• Low-rank Matrix Factorization 33%
• Machine Learning Datasets 33%
• Matrix Factorization 100%
• Negative Curvature 33%
• Nonconvex 100%
• Nonconvex Optimization Problems 33%
• Nonconvex Problem 33%
• Popular 33%
• Proximal Point 100%
• Proximal Point Algorithm 33%
• Random Noise 33%
• Second-order Information 33%
• Second-order Stationary 33%
• Signal Processing 33%
• Stationary Solution 66%

Mathematics

• Considered Problem 50%
• Data Mining 50%
• Factorization 100%
• Factorization Problem 50%
• Matrix 100%
• Minimizes 50%
• Nonconvex Problem 50%
• Objective Function 50%
• Probability Theory 50%
• Random Noise 50%
• Signal Processing 50%
• Stationary Solution 100%
• Structured Block 50%