Theorists argue that small changes in policy can have unexpectedly large effects on economic behavior.

The theorist presented a compelling model that challenged traditional assumptions.

Even if he's labeled a conspiracy theorist, his questions about the missing documents deserve a clear answer.

At the conference, group theorists debated a new conjecture about finite simple groups late into the night.

Graph theorists often collaborate across disciplines to tackle complex network problems.

At the conference, ring theorists discussed new approaches to classifying Noetherian rings.

The graph theorist presented a new proof that simplified the algorithm.

The group theorist presented a surprising classification of finite simple groups at the seminar.

At the conference, a representation theorist gave a clear overview of how symmetry appears in particle physics.

As a ring theorist, she was invited to speak about commutative algebra at the conference.