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AnimaAnandkumar's profile
Prof. Anima Anandkumar
Prof. Anima Anandkumar
Prof. Anima Anandkumar
@AnimaAnandkumar

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Prof. Anima Anandkumar

@AnimaAnandkumar

Director of #AI #research @nvidia, Bren #Professor @Caltech, Fmr Principal scientist @awscloud #Sloan fellow #Tensors Erdos #2 #dancer http://anima-ai.org 

Santa Clara, CA
tensorlab.cms.caltech.edu/users/anima/
Joined October 2014

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    1. Prof. Anima Anandkumar‏ @AnimaAnandkumar Jul 13
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      1/ How accurately compute Policy Gradients and uncertainty in #ReinforcementLearning? We propose Deep Bayesian Quadrature Policy Optimization https://arxiv.org/pdf/2006.15637  @kazizzad @yisongyue #AI #DeepLearning

      3 replies 15 retweets 98 likes
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    2. Prof. Anima Anandkumar‏ @AnimaAnandkumar Jul 13
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      2/ We model Q-function as DeepGP, and choose Fisher kernel to analytically estimate policy gradients and its uncertainty as another DeepGP. This addresses the issue raised in Ilyas etal2020 https://openreview.net/pdf?id=ryxdEkHtPS … on failure of traditional methods estimating PGs.

      1 reply 0 retweets 18 likes
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    3. Prof. Anima Anandkumar‏ @AnimaAnandkumar Jul 13
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      We use Monte Carlo PG estimates and use uncertainty to construct a trust-region and adjust PG directions. Both improve performance and PG estimation.pic.twitter.com/L6Ewvh9gF5

      1 reply 0 retweets 22 likes
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      Prof. Anima Anandkumar‏ @AnimaAnandkumar Jul 13
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      .@ravitej_17 is primary author of this work

      11:45 AM - 13 Jul 2020
      • 4 Likes
      • Kamyar Azizzadenesheli Ravi Tej @NeurIPS 2020 Daniel Irabien Mats Hagberg Olsson
      0 replies 0 retweets 4 likes

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