600 years of Prague's horologe and the mathematics behind it

0364805 - MÚ 2012 RIV GB eng J - Článek v odborném periodiku
Křížek, Michal - Šolcová, A. - Somer, L.
600 years of Prague's horologe and the mathematics behind it.
Mathematical Spectrum. A magazine for students and teachers of mathematics in schools, colleges and universities. Roč. 44, č. 1 (2011), s. 28-33. ISSN 0025-5653
Grant CEP: GA AV ČR(CZ) IAA100190803
Výzkumný záměr: CEZ:AV0Z10190503
Klíčová slova: triangular numbers * Šindel sequence * stereographic projection
Kód oboru RIV: BA - Obecná matematika

The mathematical model of the astronomical clock of Prague was invented around 1410 by Jan Šindel. In honour of this great achievement we introduce and investigate a new term, the Šindel sequence. We show how it is connected with triangular numbers and the bellworks of the astronomical clock.
Trvalý link: http://hdl.handle.net/11104/0200188