Haar spaces

A form of Haar space — A finite-dimensional subspace V of 𝒞(X, 𝕂), where X is a compact space and 𝕂 either the real numbers or the complex numbers, such that for any given f∈𝒞(X, 𝕂) there is exactly one element of V that approximates f "best", i.e. with minimum distance to f in supremum norm.

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Meanings

noun
  1. pluralplural of Haar space
Cite this entry
APA

Haar spaces. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Haar%20spaces

MLA

“Haar spaces.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Haar%20spaces. Accessed November 4, 2026.

Chicago

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

Source: Haar spaces on Wiktionary, CC BY-SA 4.0.