布拉格天文鐘的數學原理是什麼呢?
Public Lecture on MathematicsCzech Technical University, Prague
Dr. Alena Solcova
What mathematics is hidden behind the astronomical clock of Prague?
Time: 4:30 pm (Preceded by Reception at 4:00 pm)
Date: 22 February 2008 (Friday)
Venue: University Chapel, Ho Sin Hang Campus
Hong Kong Baptist University
http://www.math.hkbu.edu.hk/PL/22Feb08_poster.pdf
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Just attended.It is full of mathematical theorems in knowing how the shape of the clock is made - it is stereograpic projection, which is a confirmal mapping.
The clock is invented and developed in Europe since ~15th century.after a mathematician Seidel.About 10 theorems of mathematics, including the properties of Seidel sequence (a special but simple series of integers)which makes up the key gear ratio inside the clock and make all timing of sun, moon etc possible.
Hence, it is some game of integers (gear numbers), which can be followed and understanded by all.
Hope to have time to write more.
FYR:
http://en.wikipedia.org/wiki/Prague_Astronomical_Clock
Also FYR, asteroid 3847 was named after Seidel too.
[ 本帖最後由 David^_^b 於 2008-2-22 23:47 編輯 ]
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