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

Lagrange's four-square theorem

What's so interesting about squared numbers? Lagrange's Four Square Theorem

SOLVED: 8.35 (Lagrange's Four-Square Theorem) If n is a natural number, it can be expressed as the sum of four squares. A lattice in 4-space is a set of the form (x,y,z,w)

FERMAT'S FOUR SQUARES THEOREM Several years ago, after

Lagrange's Four Square Theorem

Four Square Theorem - Quaternions, PDF, Prime Number

number theory - The Four Square Theorem and Integral Apollonian Circle Packings, is there any connection? - Mathematics Stack Exchange

Chapter 3 Greek Number Theory The Role of Number Theory Polygonal, Prime and Perfect Numbers The Euclidean Algorithm Pell's Equation The Chord and Tangent. - ppt download

Answered: The Modular Operation r mod m = r…

Waring's Problem -- from Wolfram MathWorld