How random tweaks in timing can lead to new game theory strategies

Most game theory models don’t reflect the relentlessly random timing of the real world. In a new paper, Justin Grana, James Bono, and SFI Professor David Wolpert model what happens when players receive information or act at random times, which could make a big difference in decision-making.

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A new normal: Study explains universal pattern in fossil record

Instead of the typical bell-shaped curve, the fossil record shows a fat-tailed distribution, with extreme, outlier, events occurring with higher-than-expected probability. Using the same mathematical tools that describe stock market crashes, SFI researchers explain the evolutionary dynamics behind this universal pattern in the fossil record and uncover "a new normal."

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In memoriam: Murray Gell-Mann

Murray Gell-Mann, a Nobel laureate who revealed symmetry and order in the world of subatomic particles and leveled his genius at complex mysteries of life and mind, died peacefully May 24, 2019. He was 89 years old.

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Learn Agent-Based Modeling

Agent-based modeling has been used to study everything from economics to biology to political science to business and management. This July, programmers and non-programmers alike can learn to model by enrolling in Introduction to Agent-based Modeling, an online course offered through SFI's Complexity Explorer.

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Group decisions: When more information isn't necessarily better

Modular — or cliquey — group structure isolates the flow of communication between individuals, which might seem counterproductive to survival. But for some animal groups, more information isn't necessarily better, according to new SFI research published in Philosophical Transactions of the Royal Society B.

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At last, acknowledging royal women's political power

Across the globe in a variety of societies, royal women found ways to advance the issues they cared about and advocate for the people important to them as detailed in a recent paper published in the Journal of Archaeological Research.

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