Theorem

Tychonoff's Theorem

Topology

The product of any collection of compact topological spaces, no matter how large the collection, is itself compact in the product topology. Proved by Andrey Tychonoff, it is one of the central theorems of general topology and is equivalent, in full generality, to the axiom of choice.

Facts
Statement
The product of any collection of compact topological spaces is compact in the product topology. 1
Proof Year
1935 1
Classification
Statement Form
Characterization Theorem 1
Connections

Has Statement Form

In Branch

Principal Result Of

Source Andrey Tychonoff (Wikipedia)

Proved By

Source Tychonoff's Theorem (Wikipedia)
Sources
1. Tychonoff's Theorem (Wikipedia)
Wikimedia Foundation
  • lead paragraph, theorem statement sentence
    In mathematics, Tychonoff's theorem states that the product of any collection of compact topological spaces is compact with respect to the product topology.
  • lead paragraph, attribution and dating sentence
    in 1935 stated the full theorem along with the remark that its proof was the same as for the special case
  • Proved By: Andrey Tychonoff, Lead sentence
    The theorem is named after Andrey Nikolayevich Tikhonov (whose surname sometimes is transcribed Tychonoff), who proved it first in 1930 for powers of the closed unit interval and in 1935 stated the full theorem along with the remark that its proof was the same as for the special case.
  • In Group: General Topology, Lead paragraph
    In mathematics, Tychonoff's theorem states that the product of any collection of compact topological spaces is compact with respect to the product topology.
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Andrey Tychonoff (Wikipedia)
Principal Result Of: Andrey Tychonoff, Research work
Quote, Principal Result Of: Andrey Tychonoff, Research work
the Tychonoff's theorem, which states that every product of arbitrarily many compact topological spaces is again compact
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