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Författare/Upphovsman:

Stefan Zachow. The original uploader was Geometry guy på engelska Wikipedia. Later versions were uploaded by Ianmacm at en.wikipedia.

The original uploader was Geometry guy på engelska Wikipedia.

Kreditera:

Originally from en.wikipedia; description page is/was here.

Kort länk:

https://sewiki.info/b/4ba40

Källa:

Wikimedia Commons

Upplösning:

800 x 769 Pixel (117793 Bytes)

Beskrivning:

The photo carries no copyright and may be freely used for publications. IMU requests, though, that Stefan Zachow's authorship is duly acknowledged. This is the medal that was declined in 2006 by en:Grigori Perelman for his work on the en:Poincaré conjecture. Source: The International Mathematical Union (with more detailed information about copyright at an image description page there)

Licens:

Public domain

Licenskommentaren:

(PD-AUTHOR; Released into the public domain (by the author).)