PDF) Quarternions and the Four Square Theorem

The Four Square Theorem was proved by Lagrange in 1770: ev- ery positive integer is the sum of at most four squares of positive integers, i.e. n = A2 +B2 +C2 +D2;A;B;C;D 2 Z An interesting proof is presented here based on Hurwitz integers, a subset

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

PDF) Factorization of Hurwitz quaternions

Hamilton's Quaternions, or, The Trouble with Triples

Lagrange's four-square theorem - Wikipedia

Sum of four Squares

A new structure-preserving quaternion QR decomposition method for color image blind watermarking - ScienceDirect

Page:Scientific Papers of Josiah Willard Gibbs - Volume 2.djvu/130 - Wikisource, the free online library

Analytical dual quaternion algorithm of the weighted three-dimensional coordinate transformation, Earth, Planets and Space

Quaternion algebra

Quaternions in mathematical physics (1): Alphabetical bibliography – arXiv Vanity

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Sums of four squares — AnhThu Nguyen

Understanding Quaternions 3D Game Engine Programming