Exact Covering System
A system of congruences 
mod 
with 
is called a Covering System if every Integer 
satisfies 
for at least one value of 
. A covering system in which each integer is covered by just onecongruence is called an exact covering system.
References
Guy, R. K. ``Exact Covering Systems.'' §F14 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, pp. 253-256, 1994.
- Grundy's Game
- Grundy-Sprague Number
- Gröbner Basis
- Grössencharakter
- G-Space
- Gudermannian Function
- Guldinus Theorem
- Gumbel's Distribution
- Guthrie's Problem
- Gutschoven's Curve
- Guy's Conjecture
- Gyrate Bidiminished Rhombicosidodecahedron
- Gyrate Rhombicosidodecahedron
- Gyrobicupola
- Gyrobifastigium
- Gyrobirotunda
- Gyrocupolarotunda
- Gyroelongated Cupola
- Gyroelongated Dipyramid
- Gyroelongated Pentagonal Bicupola
- Gyroelongated Pentagonal Birotunda
- Gyroelongated Pentagonal Cupola
- Gyroelongated Pentagonal Cupolarotunda
- Gyroelongated Pentagonal Pyramid
- Gyroelongated Pentagonal Rotunda