e/Bump function

Information
has gloss	eng: In mathematics, a bump function is a function f: \Bbb R}^n \to \Bbb R} on a Euclidean space \Bbb R}^n which is both smooth (in the sense of having continuous derivatives of all orders) and compactly supported. The space of all bump functions on \Bbb R}^n is denoted C^\infty_0(\Bbb R}^n) or C^\infty_c(\Bbb R}^n). The dual space of this space endowed with a suitable topology is the space of distributions.
lexicalization	eng: bump function
instance of	e/Smooth function

Meaning
Italian
has gloss	ita: In matematica una funzione di cutoff o funzione bump (spesso si utilizzano direttamente i termini inglesi, cioè cutoff function e bump function) è una funzione di variabile reale che vale identicamente 1 in un determinato insieme e decade a 0 in modo liscio non appena si esce da tale insieme.
lexicalization	ita: funzione di cutoff

Media
media:img	Bump2D illustration.png
media:img	Mollifier illustration.png
media:img	Venn diagram of three sets.svg