commemorative postage stamp
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WORLD YEAR OF MATHEMATICS |
commemorative postage stamp |
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| Date of issue: | 31.5.2000 | |
| Face value: | 7,00 CZK | |
| Printing sheets: | 50 | |
| Size of the stamp: | 40 x 23 mm | |
| Graphic Artist: | Zdeněk Ziegler | |
| Engraver: | Milo Ondráček | |
| Method of printing: | rotary recess print in black combined with photogravure in red, grey and yellow |
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| Subject of the stamp: | the stamp summarises in graphic form the nine-year efforts of the English matemetician Andrew Wiles, who in 1995 succeeded in proving the assertion of the French mathematician and lawyer Pierre de Fermat that the equation xn + yn = zn has no solutions among the natural numbers for n>3. | |
| Catalogue No.: | 0260 | |
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