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Forest Agostinelli

Forest Agostinelli

Assistant Professor - Computer Science and Engineering - University of South Carolina

I am an assistant professor at the University of South Carolina. My goal is to design artificial intelligence algorithms to solve real-world problems that benefit humanity. I am particularly interested in deep learning, reinforcement learning, search, and applications to the natural sciences.

I completed my Ph.D. in computer science at the University of California, Irvine, my M.S. in computer science from the University of Michigan, and my B.S. in electrical and computer engineering from the Ohio State University.

I am currently seeking highly motivated students interested in deep learning, reinforcement learning, and search.

Current Projects

Forest Agostinelli Rubik's cube Research UCI UC Irvine

Solving Combinatorial Puzzles with Deep Reinforcement Learning and Search

The Rubik's cube has over 10^19 possible configurations. We have created a deep reinforcement learning algorithm, called DeepCubeA, that can solve the Rubik's cube and 6 other combinatorial puzzles without domain specific knowledge. We are currently investigating how DeepCubeA can be used to solve problems in the natural sciences.
DeepCubeA Webserver
Solving the Rubik's Cube with Deep Reinforcement Learning and Search, Nature Machine Intelligence (2019)

Solving the Rubik's Cube with Approximate Policy Iteration, ICLR (2019)

Forest Agostinelli Circadian Rhythms Research UCI UC Irvine

Circadian Rhythms

Circadian rhythms are found in virtually all forms of life. They play a fundamental role in functions ranging from metabolism to cognition. We have developed Circadiomics for accessing and mining circadian omic datasets and BIO_CYCLE for analyzing cicadian rhythms experiments using deep learning.
Circadiomics Webserver
BIO_CYCLE Webserver
CircadiOmics: Circadian Omic Web Portal, Nucleic Acids Research (2018)

What Time is It? Deep Learning Approaches for Circadian Rhythms, ISMB (2016)

Forest Agostinelli Neuroscience Research UCI UC Irvine

The Hippocampus and Nonspatial Memory

The hippocampus plays a key role in the memory of sequences of events, however, the role of the hippocampus in nonspatial tasks has yet to be understood. Using unsupervised deep learning techniques, we visualize hippocampal activity during a nonspatial sequential memory task. We discovered that hippocampal activity correlates strongly with the sequence presented in this nonspatial memory task.
Hippocampal Ensembles Represent Sequential Relationships Among Discrete Nonspatial Events, BioRxiv (2019)

Forest Agostinelli Deep Learning Research UCI UC Irvine

Learning Activation Functions

Artificial neural networks typically have a fixed, non-linear activation function at each neuron. We have designed a novel form of piecewise linear activation function that is learned though gradient descent. With this adaptive activation function, we are able to improve upon deep neural network architectures that use static activation functions.
SPLASH: Learnable Activation Functions for Improving Accuracy and Adversarial Robustness, preprint, 2020

Learning Activation Functions to Improve Deep Neural Networks, ICLR Workshop, 2015

Research Gallery