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A term in social choice theory meaning a change favorable for X does not hurt X.

Orthogonal contravariant and covariant satisfy g_(ik)g^(ij)=delta_k^j, where delta_j^k is the Kronecker delta.

A point at which two polygon edges of a polygon meet.

A plane figure for which quadrature is possible is said to be quadrable.

A type of binary tree.

The words random and stochastic are synonymous.

The word "spectrum" confusingly has a number of unrelated meanings in various branches of mathematics.

The greatest common divisor, sometimes also called the highest common divisor (Hardy and Wright 1979, p. 20), of two positive integers a and b is the largest divisor common ...

Pascal's triangle is a number triangle with numbers arranged in staggered rows such that a_(nr)=(n!)/(r!(n-r)!)=(n; r), (1) where (n; r) is a binomial coefficient. The ...

A regular polygon is an n-sided polygon in which the sides are all the same length and are symmetrically placed about a common center (i.e., the polygon is both equiangular ...