General mathematics

General mathematics

Mathematical terms covering a number of sub-fields such as algebra, geometry, trigonometry, calculus and others.

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General mathematics

characteristic linear system

Mathematics; General mathematics

Let S be a nonsingular surface and let A be an irreducible algebraic family of positive divisors of dimension d on S such that a generic member M of A is an irreducible non-singular ...

factor group

Mathematics; General mathematics

Let G be a group and let H denote a normal subgroup of G . The set of left (or right) cosets of G , denoted by G/H=\{aH : a \in G\} , forms a group under the operation (aH)(bH) =(ab)H and ...

ramified extension

Mathematics; General mathematics

An extension of algebraic number fields in which at least one prime ideal is ramified (i.e., has ramification index greater than 1).

reciprocal of number

Mathematics; General mathematics

The reciprocal of a number a \neq 0 is the number b=\frac{1}{a} . Then ab = 1 , that is, the reciprocal of a number is its multiplicative inverse. Note also that the reciprocal of b is a ; in ...

A variable whose domain is either the real numbers or a subset of the real numbers. This is most often used for emphasis to distinguish the domain from the complex numbers. Functions whose domain of ...

significant digits

Mathematics; General mathematics

In a real number expressed in decimal form, In a real number expressed in decimal form, the digits to the left of the decimal point beginning with first non-zero digit, together with the digits to ...