Search Results for author: Andrew Zheng

Found 6 papers, 1 papers with code

Synthesizing Controller for Safe Navigation using Control Density Function

no code implementations21 Mar 2024 Joseph Moyalan, Sriram S. K. S Narayanan, Andrew Zheng, Umesh Vaidya

One of the main advantages of the proposed QP using CDF compared to QP formulated using CBF is that both the convergence/stability and safety can be combined and imposed using the CDF.

Markovian Interference in Experiments

no code implementations6 Jun 2022 Vivek F. Farias, Andrew A. Li, Tianyi Peng, Andrew Zheng

We consider experiments in dynamical systems where interventions on some experimental units impact other units through a limiting constraint (such as a limited inventory).

Off-policy evaluation

Synthetically Controlled Bandits

no code implementations14 Feb 2022 Vivek Farias, Ciamac Moallemi, Tianyi Peng, Andrew Zheng

This paper presents a new dynamic approach to experiment design in settings where, due to interference or other concerns, experimental units are coarse.

Thompson Sampling

The Limits to Learning a Diffusion Model

no code implementations11 Jun 2020 Jackie Baek, Vivek F. Farias, Andreea Georgescu, Retsef Levi, Tianyi Peng, Deeksha Sinha, Joshua Wilde, Andrew Zheng

In a similar vein, our results imply that in the case of an SIR model, one cannot hope to predict the eventual number of infections until one is approximately two-thirds of the way to the time at which the infection rate has peaked.

Decision Making

Computing Estimators of Dantzig Selector type via Column and Constraint Generation

1 code implementation18 Aug 2019 Rahul Mazumder, Stephen Wright, Andrew Zheng

We consider a class of linear-programming based estimators in reconstructing a sparse signal from linear measurements.

Vocal Bursts Type Prediction

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