Search Results for ""

If (sinalpha)/(sinbeta)=m/n, then (tan[1/2(alpha-beta)])/(tan[1/2(alpha+beta)])=(m-n)/(m+n).

An object which can be constructed by squaring is called squarable.

The unit of solid angle. The solid angle corresponding to all of space being subtended is 4pi steradians.

The tensor defined by T^l_(jk)=-(Gamma^l_(jk)-Gamma^l_(kj)), where Gamma^l_(jk) are Christoffel symbols of the first kind.

A transformation of period 2.

A transformation of the form A^'=UAU^(H), where U^(H) denotes the conjugate transpose.

A homogeneous ideal defining a projective algebraic variety is unmixed if it has no embedded prime divisors.

A surface represented parametrically by elliptic functions.

A general prism is a polyhedron possessing two congruent polygonal faces and with all remaining faces parallelograms (Kern and Bland 1948, p. 28; left figure). A right prism ...

The plane through an edge of a trihedron drawn perpendicularly to the opposite face. The term was first used by J. Neuberg (Altshiller-Court 1979, p. 298).