Lagrange's four-square theorem - Wikiwand

MathType on X: Lagrange's four-square theorem asserts that any positive whole number can be written as the sum of four squares of integers. Leave an example in the comments! #MathType #NumberTheory #math #

Sum of four Squares

PDF) Two refinements of Lagrange's four-square theorem

Euler's four-square identity

PDF) Algebraic Consequences of Jacobi's Two- and Four-Square Theorems

FERMAT'S FOUR SQUARES THEOREM Several years ago, after

number theory - The Four Square Theorem and Integral Apollonian Circle Packings, is there any connection? - Mathematics Stack Exchange

Stable/Patient Sort: Bit-Manipulation-To-Solve-Problems-Easily-And-Efficiently, PDF, Square Root

PDF) Sums of four squares and Waring's Problem

Lagrange's Four-Square Theorem Seen Using Polygons and Lines - Wolfram Demonstrations Project