Pisot-Vijayaraghavan number

They became widely known after the publication of Charles Pisot's dissertation in 1938. Tirukkannapuram Vijayaraghavan continued their study in the 1940s.

Pisot-Vijayaraghavan number (plural Pisot-Vijayaraghavan numbers)

1. (mathematics) A real algebraic integer greater than 1 all of whose Galois conjugates are less than 1 in absolute value.

• Pisot number
• PV number