Roth's theorem

proper noun

A fundamental result in Diophantine approximation to algebraic numbers, stating that these numbers cannot have many rational number approximations that are 'very good' (variously defined through history).

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Meanings

proper noun
  1. mathematicsA fundamental result in Diophantine approximation to algebraic numbers, stating that these numbers cannot have many rational number approximations that are 'very good' (variously defined through history).

Origin

Named after Klaus Roth.

Full word history & related roots →
Cite this entry
APA

Roth's theorem. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Roth's%20theorem

MLA

“Roth's theorem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Roth's%20theorem. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Roth's theorem,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Roth's%20theorem.

Source: Roth's theorem on Wiktionary, CC BY-SA 4.0.