Science 3 min read

Mathematicians Solve the Mystery of the 'Ever-Winning' Lottery Ticket

Mathematicians finally solved the decades-long mystery surrounding the potential existence of a lottery ticket that always wins.

Image courtesy of Shutterstock

Image courtesy of Shutterstock

Back in 1969, English mathematician, Adrian R.D. Mathias posed a theoretical problem within the field of set theory: is there a lottery ticket that always wins?

For most of the ’70s, ’80s, and ’90s, the problem remained a mystery. Several set theorists who tried to tackle the problem ultimately failed.

In 2002, an associate professor at the University of Copenhagen’s Department of Mathematics, Asger Dag Törnquist heard of the problem while completing his doctoral dissertation at UCLA. So, he decided to take it on.

In a statement to the press, Törnquist said:


So, how did he accomplish this feat? Well, first, let’s consider the problem.

Does Ramsey Theory Prevent the Existence of a Mad Family?

Adrian Mathias’s research focused on order and structure. The English man wanted to understand how things occur spontaneously in a sufficiently sizeable mathematical stage.

Today, this area of study is called Ramsey Theory, named after the British philosopher and mathematician Frank Ramsey.

Mathias believed that there was a relationship between Ramsey Theory and MAD family. However, he was unable to prove the existence of such a link.

Think of the MAD family as a kind of lottery ticket that always wins in a specific, infinite lottery game.


So, the question Mathias was asking the world was: does Ramsey Theory prevent the existence of a Mad family?

In other words, does the order and structure that we know prevents the existence of a ticket that always wins?

Solving a “Baby Version” of the Mysterious Lottery Ticket

For many years abroad, Törnquist shouldered his dream of answering Mathias’ question. In 2011, the mathematician finally started working at the University of Copenhagen’s Department of Mathematical Sciences.

That was when Törnquist and David Schrittesser, his Austrian postdoctoral researcher, decided to find a new approach to the problem.

Törnquist noted:


The article was an instant hit. Great mathematicians from various parts of the world were intrigued, and it reignited interest in the area of research.

As various researchers continued to build on Törnquist and Schrittesser’s article, more pieces of the puzzle began falling into place.

An Ever-Winning Lottery Ticket Does Not Exist

After five years of work, Törnquist and Schrittesser concluded that complete coincidence does not exist.

Törnquist concluded:

“This confirms that one cannot assemble such a type of a lottery ticket without the emergence of certain patterns and regularities in ticket numbers. As such, no lottery ticket always wins Mathias’ lottery game.”

The researchers published their paper on Adrian Mathias’ “lottery ticket” in the American scientific journal, The Proceedings of the National Academy of Sciences (PNAS).

Read More: This Simple Math Equation Divided The Internet

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