Pradeep Mutalik

Puzzle Columnist

How well does the Nash equilibrium concept from game theory map to the real world?
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Solution: ‘Triumph or Cooperation in Game Theory and Evolution’

How well does the Nash equilibrium concept from game theory map to the real world?

In applying game theory to biology and human behavior, have scientists focused too much on competition over cooperation?
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How to Triumph and Cooperate in Game Theory and Evolution

In applying game theory to biology and human behavior, have scientists focused too much on competition over cooperation?

When equipped with hidden layers, deep neural networks can accomplish nonlinear feats that are difficult even with sophisticated mathematics.
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Solution: ‘How to Win at Deep Learning’

When equipped with hidden layers, deep neural networks can accomplish nonlinear feats that are difficult even with sophisticated mathematics.

What happens when you increase the number of layers in an artificial neural network?
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How to Win at Deep Learning

What happens when you increase the number of layers in an artificial neural network?

Puzzle solvers rediscovered a simple mathematical result of Mendelian genetics and weighed in on a Richard Dawkins metaphor.
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Solution: ‘Are Genes Selfish or Cooperative?’

Puzzle solvers rediscovered a simple mathematical result of Mendelian genetics and weighed in on a Richard Dawkins metaphor.

Can you discover a simple mathematical result of Mendelian genetics that describes how genes interact with each other?
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Are Genes Selfish or Cooperative?

Can you discover a simple mathematical result of Mendelian genetics that describes how genes interact with each other?

Pradeep Mutalik and Quanta readers explore an open question about prime numbers: What is the lowest valued, longest consecutive sequence of integers that are divisible by a set of prime numbers?
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Solution: ‘The Prime Rib Problem’

Pradeep Mutalik and Quanta readers explore an open question about prime numbers: What is the lowest valued, longest consecutive sequence of integers that are divisible by a set of prime numbers?

Prime numbers are endlessly fascinating to number theorists and math enthusiasts. This month’s puzzle explores primes by cooking up a whimsical dish of grilled snake ribs.
insights puzzle

The Prime Rib Problem

Prime numbers are endlessly fascinating to number theorists and math enthusiasts. This month’s puzzle explores primes by cooking up a whimsical dish of grilled snake ribs.

The mathematical concept of parity and the fatal flaw of serial multiplication can help explain why having two sexes usually works better than having one or three.
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Solution: ‘Why Are There Two Sexes?’

The mathematical concept of parity and the fatal flaw of serial multiplication can help explain why having two sexes usually works better than having one or three.

About the author

Pradeep Mutalik is a medical research scientist at the Yale Center for Medical Informatics and a lifelong puzzle enthusiast. He has published work in neurophysiology, animal behavior, artificial intelligence, radiology and consciousness. He wrote puzzle columns for The New York Times from 2009 to 2012 and curated the Enigma Cafe at the National Museum of Mathematics from 2012 to 2013.