Sums of four squares — AnhThu Nguyen

LAGRANGE'S FOUR SQUARE THEOREM Theorems, Lagrange theorem, Number theory

Chit-chat on Lagrange's four-square theorem

Seatings and Sums of Squares

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

Lagrange's Four Square Theorem

CodeChef - Lagrange's four-square theorem, also known as Bachet's conjecture, states that every natural number can be represented as the sum of four integer squares. This theorem was proven by Joseph Louis

Lagrange's three square theorem

PPT - Combinatorial Geometry PowerPoint Presentation, free download - ID:4886808

Sum of squares, Part-2, Sum of four squares

Euler's four-square identity - Wikipedia