Hobbymaths

Random thoughts about Mathematics

Monday, July 13, 2015

Hobbymath's wanderings #8

Proofs of Fermat's theorem on sums of two squares.

Brahmagupta–Fibonacci identity.

Heronian triangle.

Hamiltonian path.

Cardioid.

Sophomore's dream.

Trefoil knot.

Triangle read by rows (OEIS A125605).

Proof by infinite descent.

Tossing the Prime Coin | Understanding the Riemann Hypothesis.

Divisibility of central binomial coefficients.

Magic square of squares.

Posted by hobbymaths at 6:56 PM
Labels: binomial coefficients, Brahmagupta-Fibonacci identity, cardioid, Fermat, Hamiltonian path, Heronian triangle, infinite descent, magic square, OEIS, Riemann hypothesis, sophomore's dream, trefoil knot

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