Zheng Shi 史峥
Zheng Shi 史峥
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Adaptive Algorithms
AI-SARAH: Adaptive and Implicit Stochastic Recursive Gradient Methods
We present AI-SARAH, a practical variant of SARAH. As a variant of SARAH, this algorithm employs the stochastic recursive gradient yet …
Zheng Shi
,
Abdurakhmon Sadiev
,
Nicolas Loizou
,
Peter Richtárik
,
Martin Takáč
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Paper accepted by TMLR.
👋 AI-SARAH is accepted by TMLR for publication.
Zheng Shi
Feb 22, 2023
Research
,
Academic Space
Advanced Algorithms and Applications in Machine Learning
Zheng Shi
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Doubly Adaptive Scaled Algorithm for Machine Learning Using Second-Order Information
We present a novel adaptive optimization algorithm for large-scale machine learning problems. Equipped with a low-cost estimate of …
Majid Jahani
,
Sergey Rusakov
,
Zheng Shi
,
Peter Richtárik
,
Michael W. Mahoney
,
Martin Takáč
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Finite difference neural networks: Fast prediction of partial differential equations
Discovering the underlying behavior of complex systems is an important topic in many science and engineering disciplines. In this …
Zheng Shi
,
Sila Gulgec
,
Albert S Berahas
,
Shamim N Pakzad
,
Martin Takáč
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FD-Net with Auxiliary Time Steps: Fast Prediction of PDEs using Hessian-Free Trust-Region Methods
Discovering the underlying physical behavior of complex systems is a crucial, but less well-understood topic in many engineering …
Sila Gulgec
,
Zheng Shi
,
Neil Deshmukh
,
Shamim N Pakzad
,
Martin Takáč
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