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Mathematicians Solve Decades-Old Classification Problem
A pair of researchers has shown that trying to classify groups of numbers called “torsion-free abelian groups” is as hard as it can possibly be.
How Many Numbers Exist? Infinity Proof Moves Math Closer to an Answer.
For 50 years, mathematicians have believed that the total number of real numbers is unknowable. A new proof suggests otherwise.
In Quantum Games, There’s No Way to Play the Odds
These games combine quantum entanglement, infinity and impossible-to-calculate winning probabilities. But if researchers can crack them, they’ll reveal deep mathematical secrets.
The Universe’s Ultimate Complexity Revealed by Simple Quantum Games
A two-player game can reveal whether the universe has an infinite amount of complexity.
Mathematicians Measure Infinities and Find They’re Equal
Two mathematicians have proved that two different infinities are equal in size, settling a long-standing question. Their proof rests on a surprising link between the sizes of infinities and the complexity of mathematical theories.
Solution: ‘Puzzles Inspired by Ramanujan’
What can the mathematical genius Srinivasa Ramanujan teach us about number theory through mathematical structures involving infinity?
Three Puzzles Inspired by Ramanujan
Insights from the mathematical genius Srinivasa Ramanujan give us a number of ways to explore the infinite.
Solution: ‘Is Infinity Real?’
Hilbert’s Hotel, an incredibly thin triangle and an elliptical pool table help us test the concept of infinity in the physical world.
Is Infinity Real?
Three puzzles test whether the concept of infinity has purchase in the physical world.