Search Results for ""

A group of five elements.

One of the four 5-polyiamonds are called pentiamonds.

The Fermat number F_n is prime iff 3^(2^(2^n-1))=-1 (mod F_n).

1%.

A set P is called perfect if P=P^', where P^' is the derived set of P.

A sum over all cluster perimeters.

An integral which is equivalent to the Denjoy integral "in the restricted sense."

A fractal process for which H>1/2, so r>0.

An affine isoperimetric inequality.

A heptomino in the shape of the Greek character pi.