|
Mathematical Congresses |
(click for larger image, 83k) |
Federal Republic of Germany (20.08.1998) 110 Pf 35 * 35 mm Michel 2005 The stamp was issued on the occasion of the 23rd International Congress of Mathematicians in Berlin, Germany. It shows a (nearly quadratic) rectangle that is completely covered with squares of different sizes. Moreover the squares are coloured with only four different colours (Four color theorem). The stamp's background depicts an auditorium formed from the number π with an increasing number of decimals. |
|
First Day Postmark |
|
Copyright © Andreas Tabak, 1998 - 2006 Last update on 04-Feb-2008 |
Guest Book Legal Stuff Sitemap Navigation FAQ Feedback/eMail |