ordered pair
pair of mathematical objects; tuple of specific length (tuple length n=2)
digraph
pair of characters used to write one phoneme
topological pair
inclusion of topological spaces
fundamental pair of periods
way of defining a lattice in the complex plane
quaternion
noncommutative extension of the real numbers
(B, N) pair
structure on Lie groups
adjoint functor
relationship that two functors may have
Si yuan shu
Chinese quaternion invented by Zhu Shijie (Yuan dynasty mathematician) in 1303
t-structure
a pair of subcategories of a triangulated category satisfying properties similar to those of complexes whose cohomologies vanish in positive/negative degrees
directed edge
connection between a set of two vertices in a directed graph
complex number
number that can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit
Loud Places
single by Jamie xx
betrothed numbers
pairs of positive integers such that the sum of the proper divisors of either number is one more than the other number
cons
function and primitive data structure in Lisp and other functional programming languages