compactification

== English == === Etymology === From compact + -ification. === Noun === compactification (countable and uncountable, plural compactifications) (topology) Any of various procedures of enlarging a topological space to make it compact. (topology) The space resulting from any such procedure. (physics) Any modification of a theory such that an infinite parameter becomes finite. (physics) The reduction of the number of large spacetime dimensions of a physical theory by making some of them compact. ==== Derived terms ==== beta-compactification decompactification Freund-Rubin compactification Stone-Čech compactification Wallman compactification ==== Translations ==== ==== Further reading ==== compactification on Wikipedia.Wikipedia