Game-theory research better allocates military resources, fight cancer

ScienceDaily | 7/15/2019 | Staff
moemajor (Posted by) Level 3
New research, published in Science, and conducted by scientists at Carnegie Mellon University, developed an artificial intelligence program called Pluribus that defeated leading professionals in six-player no-limit Texas hold'em poker.

The Army and National Science Foundation funded the mathematics modeling portion of the research, while funding from Facebook was specific to the poker.

Strategy - Dr - Purush - Iyer - Division

"It's all about strategy," said Dr. Purush Iyer, division chief, network sciences at the Army Research Office, an element of the U.S. Army Combat Capabilities Development Command's Army Research Laboratory. "A limiting factor in game theory has always been scalability (i.e., ability to deal with exponentially increasing state space). Poker is an accessible example to show how these mathematical models can be used to devise strategies for situations where a person doesn't have complete information -- they don't know what the adversaries will do, and what their capabilities are."

This research is extremely relevant to many real-world and military challenges that involve multiple parties such as cybersecurity and defense posturing, he said.

Poker - AI - Challenge - Information - Game

Poker has been an AI challenge because it is an incomplete information game, where players cannot be certain which cards are in play and opponents can, and will, bluff, much like military strategy.

"Thus far, superhuman AI milestones in strategic reasoning have been limited to two-party competition," said Dr. Tuomas Sandholm, Angel Jordan Professor of Computer Science, who developed Pluribus with Noam Brown, who is finishing his doctorate in Carnegie Mellon's Computer Science Department as a research scientist at Facebook AI. "The ability to beat five other players in such a complicated game opens up new opportunities to use AI to solve a wide variety of real-world problems."

Game - Changes - AI - Playing - Strategy

"Playing a six-player game rather than head-to-head requires fundamental changes in how the AI develops its playing strategy," said Brown, who joined Facebook AI last year.

Pluribus dispenses with theoretical guarantees of success and...
(Excerpt) Read more at: ScienceDaily
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