
On the proliferation of support vectors in high dimensions
The support vector machine (SVM) is a wellestablished classification me...
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When Does Preconditioning Help or Hurt Generalization?
While second order optimizers such as natural gradient descent (NGD) oft...
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On the Optimal Weighted ℓ_2 Regularization in Overparameterized Linear Regression
We consider the linear model 𝐲 = 𝐗β_⋆ + ϵ with 𝐗∈ℝ^n× p in the overparam...
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Learning to Reconstruct and Understand Indoor Scenes from Sparse Views
This paper proposes a new method for simultaneous 3D reconstruction and ...
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How many variables should be entered in a principal component regression equation?
We study least squares linear regression over N uncorrelated Gaussian fe...
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Two models of double descent for weak features
The "double descent" risk curve was recently proposed to qualitatively d...
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Spectral Method for Phase Retrieval: an Expectation Propagation Perspective
Phase retrieval refers to the problem of recovering a signal x_∈C^n from...
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Consistent Risk Estimation in HighDimensional Linear Regression
Risk estimation is at the core of many learning systems. The importance ...
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Benefits of overparameterization with EM
Expectation Maximization (EM) is among the most popular algorithms for m...
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Approximate Message Passing for Amplitude Based Optimization
We consider an ℓ_2regularized nonconvex optimization problem for recov...
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Optimizationbased AMP for Phase Retrieval: The Impact of Initialization and ℓ_2regularization
We consider an ℓ_2regularized nonconvex optimization problem for recov...
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Noniterative Label Propagation on Optimal Leading Forest
Graph based semisupervised learning (GSSL) has intuitive representation...
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An Improved Residual LSTM Architecture for Acoustic Modeling
Long ShortTerm Memory (LSTM) is the primary recurrent neural networks a...
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Global analysis of Expectation Maximization for mixtures of two Gaussians
Expectation Maximization (EM) is among the most popular algorithms for e...
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Leading Tree in DPCLUS and Its Impact on Building Hierarchies
This paper reveals the tree structure as an intermediate result of clust...
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Ji Xu
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