Publications (Check google scholar - this is out of date!)
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Inverse Constrained Reinforcement Learning
Usman Anwar, Shehryar Malik, Alireza Aghasi, Ali Ahmed
Internation Conference on Machine Learning, 2021
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We propose a framework for learning Markovian constraints from user demonstrations in high dimensional, continuous settings. We empirically show that constraints thus learned are general and transfer well to agents with different dynamics and morphologies.
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[Workshops]
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Bayesian Inverse Constrained Reinforcement Learning
Dimitris Papadimitriou, Usman Anwar, Daniel Brown
NeurIPS 2021 Workshop on Safe and Robust Control of Uncertain Systems, 2021
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We develop a Bayesian approach for learning constraints which provides several advantages as it can work with partial trajectories, is applicable in both stochastic and deterministic environments and due to its ability to provide a posterior distribution enables use of active learning for accurate learning of constraints.
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Learning To Solve Differential Equations Across Initial Conditions
Usman Anwar, Shehryar Malik, Alireza Aghasi, Ali Ahmed
DeepDiffEq Workshop at ICLR, 2020
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We extend the PINN’s framework for finding the solution of a Partial Differential Equation to work across initial conditions by casting the problem as a generative model and using an info-GAN like architecture.
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Notes
These include notes on different topics in topics relevant to machine learning.
- Notes on advanced convex optimization. Covers analysis of sub-gradient method, projected gradient method, proximal gradient method and mirror descent. These notes are work in progress and will be updated with new material.
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