Mathematical structure
additional mathematical object that, in some manner, attaches (or relates) to that set to endow it with some additional meaning or significance
orientation
computer arithmetic
(B, N) pair
principal bundle
connection
data structure
differential structure
Orientation of a vector bundle
algebraic structure
Hilbert plane
capacity
exponential object
divided power structure
structure in differential geometry
G-structure
level structure
cut locus
internal category
partially ordered space
smooth structure
weak n-category
diagram