Today’s Artificial Intelligence agents will one day evolve to run on super powerful quantum computers, and that evolution has begun.


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A new study suggests Google DeepMind’s amazing game playing algorithm AlphaZero, that beat numerous Go champions and then went on to learn chess to a master level in just four hours with nothing more than the rules to go by, could help unlock the power and potential of quantum computers – a new type of computing platform that is hundreds of millions times more powerful than today’s logic based computing platforms and that might run on atom and DNA storage systems and diamonds.


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Since it appeared just over two years ago, AlphaZero has repeatedly proven its fast-learning capabilities, elevating itself to grandmaster level in Go, Chess, and Shogi, a Japanese form of chess. Traditional game engines such as IBM’s ground breaking Deep Blue from the 1990s and current world computer chess champion Stockfish rely on heuristics handcrafted by human players. AlphaZero takes a very different approach — provided only the basic rules, it hones its skills through millions of games of self-play in a reinforcement learning environment.

But AlphaZero is about much more than games — its success demonstrates that a single algorithm can learn how to discover new knowledge across a range of scenarios, writes DeepMind’s David Silver in a blog post. This is key to creating what are known as general purpose systems that can perform a wide range of tasks as researchers try to develop the first Artificial General Intelligence (AGI) systems.


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“We need them to be flexible and generalise to new situations,” one of the researchers in a statement.

Echoing DeepMind’s vision, a research team from Denmark’s Aarhus University (AU) has now gone one step further and  demonstrated AlphaZero’s “broad applicability” by applying it to three different control problems that could potentially be used in quantum computers and influence the development of future Quantum Artificial Intelligence (QAI) models. The research is presented in a paper recently published in Nature scientific journal NPJ Quantum Information.

Much of quantum computing’s potential lies in its ability to achieve what classical computers cannot — solving optimization problems by computing all possibilities at the same time, problems like traffic that Volkswagen’s latest quantum computing experiment just tried to solve. While a large number of algorithms have been developed for optimizing quantum dynamics, a common limitation is their reliance on good initial guesses.


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The AU researchers reckoned AlphaZero’s game-proven self-learning capabilities could enable it to systematically bypass that limitation. They decided to implement the algorithm from scratch and investigate how it performed on quantum computer optimization problems, paper coauthor and AU Professor Jacob Sherson said.

The paper’s first author, PhD student Mogens Dalgaard explains: “When we analyzed the data from AlphaZero we saw that the algorithm had learned to exploit an underlying symmetry of the problem that we did not originally consider. That was an amazing experience.”

AlphaZero’s success derives from a combination of traditional Monte-Carlo Tree Search (MCTS) and a one-step lookahead Deep Neural Network (DNN). The lookahead information from far down the tree can increase the trained DNN’s precision to produce more focused and heuristic-free exploration.


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When applied to quantum computing, AlphaZero achieves substantial improvements in both the quality and quantity of good solution clusters compared to earlier methods.

“It is able to spontaneously learn unexpected hidden structure and global symmetry in the solutions, going beyond even human heuristics,” the researchers explain.

The team found that the system achieved the best results when they combined AlphaZero’s algorithm with a specialized quantum optimization algorithm.


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“This is very interesting because it points to a future where the off the shelf AI algorithms do not simply take over and dominate the special domains but that the domain specialists, in this case us physicists, can interpret strengths and weaknesses of the general approaches and augment them with our detailed knowledge and methods,” Sherson wrote.

Sherson says that within a few hours after the project code was open-sourced.

“I was contacted by major tech-companies with quantum laboratories and international leading universities to establish future collaboration. So we hope that our work will soon be put to use in practice.”

The paper Global Optimization of Quantum Dynamics with AlphaZero Deep Exploration is available on Nature.

About author

Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, Viacom, and WIRED, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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