Pisot-Vijayaraghavan number

noun

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

Similar
Pisot numberPV number
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Meanings

nounPisot-Vijayaraghavan number (plural Pisot-Vijayaraghavan numbers)

plural Pisot-Vijayaraghavan numbers

  1. mathematicsA real algebraic integer greater than 1 all of whose Galois conjugates are less than 1 in absolute value.

    Synonyms: Pisot number, PV number

Synonyms & antonyms

nounA real algebraic integer greater than 1 all of whose Galois conjugates are less than 1 in absolute value.

Similar
Pisot numberPV number
Also see
pisot numberpv number

Origin

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

Full word history & related roots →
Cite this entry
APA

Pisot-Vijayaraghavan number. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Pisot-Vijayaraghavan%20number

MLA

“Pisot-Vijayaraghavan number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Pisot-Vijayaraghavan%20number. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Pisot-Vijayaraghavan number,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Pisot-Vijayaraghavan%20number.

Source: Pisot-Vijayaraghavan number on Wiktionary, CC BY-SA 4.0.