Search Results for author: Difeng Cai

Found 3 papers, 1 papers with code

Data-Driven Linear Complexity Low-Rank Approximation of General Kernel Matrices: A Geometric Approach

no code implementations24 Dec 2022 Difeng Cai, Edmond Chow, Yuanzhe Xi

Such rectangular kernel matrices may arise, for example, in Gaussian process regression where $X$ corresponds to the training data and $Y$ corresponds to the test data.

AUTM Flow: Atomic Unrestricted Time Machine for Monotonic Normalizing Flows

no code implementations5 Jun 2022 Difeng Cai, Yuliang Ji, Huan He, Qiang Ye, Yuanzhe Xi

AUTM offers a versatile and efficient way to the design of normalizing flows with explicit inverse and unrestricted function classes or parameters.

Density Estimation Image Generation +1

SMASH: Structured matrix approximation by separation and hierarchy

1 code implementation15 May 2017 Difeng Cai, Edmond Chow, Yousef Saad, Yuanzhe Xi

This paper presents an efficient method to perform Structured Matrix Approximation by Separation and Hierarchy (SMASH), when the original dense matrix is associated with a kernel function.

Numerical Analysis

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