Tychonoff axiom

Tychonoff axiom

In mathematics, a Tychnoff axiom may be:
* the T axiom that defines Tychonoff spaces; or
* any of the Tychonoff separation axioms.


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Tychonoff's theorem — For other theorems named after Tychonoff, see Tychonoff s theorem (disambiguation). In mathematics, Tychonoff s theorem states that the product of any collection of compact topological spaces is compact. The theorem is named after Andrey… …   Wikipedia

  • Axiom of choice — This article is about the mathematical concept. For the band named after it, see Axiom of Choice (band). In mathematics, the axiom of choice, or AC, is an axiom of set theory stating that for every family of nonempty sets there exists a family of …   Wikipedia

  • Separation axiom — In topology and related fields of mathematics, there are several restrictions that one often makes on the kinds of topological spaces that one wishes to consider. Some of these restrictions are given by the separation axioms. These are sometimes… …   Wikipedia

  • Teorema de Tychonoff — En topología, el teorema de Tychonoff establece que el producto de cualquier colección de espacios topológicos compactos es compacto. El teorema se nombró así por Andrey Nikolayevich Tychonoff, quien lo probó por primera vez en 1930 para… …   Wikipedia Español

  • Glossary of topology — This is a glossary of some terms used in the branch of mathematics known as topology. Although there is no absolute distinction between different areas of topology, the focus here is on general topology. The following definitions are also… …   Wikipedia

  • Product topology — In topology and related areas of mathematics, a product space is the cartesian product of a family of topological spaces equipped with a natural topology called the product topology. This topology differs from another, perhaps more obvious,… …   Wikipedia

  • T5-Raum — In der Topologie und verwandten Gebieten der Mathematik betrachtet man oft nicht alle topologischen Räume, sondern stellt bestimmte Bedingungen, die von den interessierenden Räumen erfüllt werden sollen. Einige dieser Bedingungen nennt man… …   Deutsch Wikipedia

  • Stone–Čech compactification — In the mathematical discipline of general topology, Stone–Čech compactification is a technique for constructing a universal map from a topological space X to a compact Hausdorff space beta; X . The Stone–Čech compactification beta; X of a… …   Wikipedia

  • Trennungsaxiom — In der Topologie und verwandten Gebieten der Mathematik betrachtet man oft nicht alle topologischen Räume, sondern stellt bestimmte Bedingungen, die von den interessierenden Räumen erfüllt werden sollen. Einige dieser Bedingungen nennt man… …   Deutsch Wikipedia

  • De Bruijn–Erdős theorem (graph theory) — This article is about coloring infinite graphs. For the number of lines determined by a finite set of points, see De Bruijn–Erdős theorem (incidence geometry). In graph theory, the De Bruijn–Erdős theorem, proved by Nicolaas Govert de Bruijn and… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”