δ-box

noun

A k-cell which is a Cartesian product of half-closed intervals which are closed at their infima and open at their suprema, and such that the infimum of each interval is the coordinate of a given point (called "the corner" of the δ-box), and the length (i.e., measure) of each interval is equal to (the given value) δ.

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Meanings

nounδ-box (plural δ-boxes)

plural δ-boxes

  1. mathematical analysisA k-cell which is a Cartesian product of half-closed intervals which are closed at their infima and open at their suprema, and such that the infimum of each interval is the coordinate of a given point (called "the corner" of the δ-box), and the length (i.e., measure) of each interval is equal to (the given value) δ.
Cite this entry
APA

δ-box. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/%CE%B4-box

MLA

“δ-box.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/%CE%B4-box. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “δ-box,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/%CE%B4-box.

Source: δ-box on Wiktionary, CC BY-SA 4.0.