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

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 #

Seatings and Sums of Squares

Lagrange's Four-Square Theorem -- from Wolfram MathWorld

Lagrange's four-square theorem

GitHub - HechenHu/Four-Square_Representation: Using Rabin and Shallit's Algorithm to compute the four-square representation of a natural number as stated in Lagrange's Four-square Theorem.

Waring's Problem & Lagrange's Four-Square Theorem

Pythagorean Theorem

Four Square Theorem - Quaternions, PDF, Prime Number

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

Sum of Squares Function -- from Wolfram MathWorld