expansion term
121Imperialism — A word of polemical power, analytical imprecision, and historically variant meaning, the term imperialism is used in this volume to describe the period of rapid European expansion in the nineteenth and early twentieth centuries. Imperialism is …
122Big Bang — This article is about the cosmological model. For the sitcom, see The Big Bang Theory. For other uses, see Big Bang (disambiguation) …
123Binomial theorem — The binomial coefficients appear as the entries of Pascal s triangle. In elementary algebra, the binomial theorem describes the algebraic expansion of powers of a binomial. According to the theorem, it is possible to expand the power… …
124Viking — For other uses, see Viking (disambiguation). Danish seamen, painted mid twelfth century …
125Globalization — The European Central Bank in Frankfurt, Germany, is the central bank for the Eurozone. Globalization refers to the increasing unification of the world s economic order through reduction of such barriers to international trade as tariffs, export… …
126Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a …
127Egyptian fraction — An Egyptian fraction is the sum of distinct unit fractions, such as frac{1}{2}+ frac{1}{3}+ frac{1}{16}. That is, each fraction in the expression has a numerator equal to 1 and a denominator that is a positive integer, and all the denominators… …
128On-Line Encyclopedia of Integer Sequences — URL oeis.org Created by Neil Sloane Launched 1996 ( …
