Area-Preserving Map
A Map 
from 
to is Area-preserving if
for every subregion
of , where 
is the 
-D Measure of . A linear transformation isArea-preserving if its corresponding Determinant is equal to 1.See also Conformal Map, Symplectic Map- Painlevé Property
- Painlevé Transcendents
- Pair
- Paired t-Test
- Pair Sum
- Paley Class
- Paley Construction
- Paley's Theorem
- Palindrome Number
- Palindromic Number
- Palindromic Number Conjecture
- Pancake Cutting
- Pancake Theorem
- Pandiagonal Square
- Pandigital
- Panmagic Square
- Pantograph
- Papal Cross
- Pappus Chain
- Pappus-Guldinus Theorem
- Pappus's Centroid Theorem
- Pappus's Harmonic Theorem
- Pappus's Hexagon Theorem
- Pappus's Theorem
- Parabiaugmented Dodecahedron