File:Refinement on a circle.png

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Refinement_on_a_circle.png ‎(600 × 400 pixels, file size: 26 KB, MIME type: image/png)

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Summary[edit]

Description
English: Above: Cover (four colourful sets) of a circular line (black).
Date 30 October 2010 (original upload date)
Source Own work
Author User:Sigmundur

Below: Refinement of the cover so that no point on the line is contained in more than 2 sets.

Purpose: To illustrate the role of covers in the definition of topological dimension, figure 1 of 2.

Note: In both pictures, the parts of the black set that belong to several sets are drawn with a thicker line.

Licensing[edit]

Public domain This work has been released into the public domain by its author, Sigmundur. This applies worldwide.

In some countries this may not be legally possible; if so:
Sigmundur grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log[edit]

Transferred from en.wikipedia to Commons using For the Common Good.

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
21:10, 30 October 2010 400 × 600 (24,492 bytes) w:en:Sigmundur (talk | contribs) (Above: Cover (four colourful sets) of a circular line (black). Below: Refinement of the cover so that no point on the line is contained in more than 2 sets. Purpose: To illustrate the role of covers in the definition of topological dimension, figure 1 of )

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Date/TimeThumbnailDimensionsUserComment
current21:00, 12 March 2016Thumbnail for version as of 21:00, 12 March 2016600 × 400 (26 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
07:30, 25 February 2013Thumbnail for version as of 07:30, 25 February 2013400 × 600 (24 KB)Burn~commonswiki (talk | contribs)Transferred from en.wikipedia: see original upload log above

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