Search Results for author: Xiwen Wang

Found 3 papers, 1 papers with code

Network Topology Inference with Sparsity and Laplacian Constraints

no code implementations2 Sep 2023 Jiaxi Ying, Xi Han, Rui Zhou, Xiwen Wang, Hing Cheung So

We tackle the network topology inference problem by utilizing Laplacian constrained Gaussian graphical models, which recast the task as estimating a precision matrix in the form of a graph Laplacian.

Time Series

A Fast Successive QP Algorithm for General Mean-Variance Portfolio Optimization

no code implementations14 Dec 2022 Shengjie Xiu, Xiwen Wang, Daniel P. Palomar

The mean and variance of portfolio returns are the standard quantities to measure the expected return and risk of a portfolio.

Portfolio Optimization

Efficient and Scalable Parametric High-Order Portfolios Design via the Skew-t Distribution

1 code implementation6 Jun 2022 Xiwen Wang, Rui Zhou, Jiaxi Ying, Daniel P. Palomar

Initially, profit and risk were measured by the first two moments of the portfolio's return, a. k. a.

Portfolio Optimization

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