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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PDF] Circular and hyperbolic quaternions, octonions, and sedenions—Further results by Kevin Carmody · 10.1016/s0096-3003(96)00051-3 ·

PDF] New parametrization of $A^2+B^2+C^2=3D^2$ and Lagrange's four-square theorem

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What are your favorite results in mathematics that are also especially inelegant, ugly, or irritating to look at? : r/math

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PDF) Quarternions and the Four Square Theorem

PDF) Quarternions and the Four Square Theorem

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PDF) Quarternions and the Four Square Theorem

Quaternions. “And here there dawned on me the notion…, by Priyam