Porous Set

Porous Set

In mathematics, a porosity is a concept in the study of metric spaces. Like the concepts of meagre and measure zero sets, porosity is a notion of a set being somehow "sparse" or "lacking bulk"; however, porosity is not equivalent to either of the above notions, as shown below.

Read more about Porous Set:  Definition, Properties

Famous quotes containing the words porous and/or set:

    Does art reflect life? In movies, yes. Because more than any other art form, films have been a mirror held up to society’s porous face.
    Marjorie Rosen (b. 1942)

    When parents fail to set appropriate limits, children may feel more vulnerable at night: the aggressive urges that have not been “tamed” by day may be terrifying to a small child alone in the dark.
    Cathy Rindner Tempelsman (20th century)