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

Euler's four-square identity

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

Solving Sums of Squares in Global Fields Proceedings of the 2022 International Symposium on Symbolic and Algebraic Computation

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

Quaternion algebras over global fields

Sum of four Squares

PDF) Quarternions and the Four Square Theorem

On the Continuity of the Generalized Inverse

References - State Estimation for Robotics

Understanding Quaternions 3D Game Engine Programming

Quaternionic Formulation of Dirac Equation - Researchtrend.net

PDF) Quarternions and the Four Square Theorem

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