Proper

From Wikipedia, the free encyclopedia

Proper may refer to:

• Proper (liturgy), the part of a Christian liturgy that is specific to the date within the Liturgical Year
• Proper frame, such system of reference in which object is stationary (non moving), sometimes also called a co-moving frame
• Proper, in heraldry, means depicted in natural colors
• Proper or appropriate conduct

In mathematics:

• Proper map, in topology , a property of continuous function between topological spaces, if inverse images of compact subsets are compact
• Proper morphism, in algebraic geometry, an analogue of a proper map for algebraic varieties
• Proper transfer function, a transfer function in control theory in which the degree of the numerator does not exceed the degree of the denominator
• It is also used to indicate a subspace or a subset is strictly smaller than its parent—see "strict"

[edit] See also

• Improper