In mathematics, and more specifically in general topology, compactness is a property that generalizes the notion of a subset of Euclidean space being closed (that is, containing all its limit point) and bounded (that is, having all its points lie within some fixed distance of each other).
Mathematics
History
Literature
Music
A rectangle
A closed interval
A finite set of points
A triangle
Compact set
Vector space
Lattices
Polytopes
20th Century
19th Century
18th Century
17th Century
Isaac Newton
Bernard Bolzano
Albert Einstein
James McCaffrey
1928
1888
1817
1785
Decimal point
Starting point
Ending point
Limit point
Two
One
Five
Four
Albert Einstein
James McCaffrey
Karl Weierstrass
Isaac Newton
50 years
20 years
10 years
100 years