How to choose your relations

Autor: Colin R. Fletcher, Tony Crilly
Rok vydání: 2010
Předmět:
Zdroj: The Mathematical Gazette. 94:193-202
ISSN: 2056-6328
0025-5572
DOI: 10.1017/s0025557200006458
Popis: Mathematicians are fascinated by relatios and have worked our extensive theories about them. The treatments tend to be abstract and sometimes the basic ideas are lost in the abstraction. Here we investigate some common ground between mathematical relations and down-to-earth genealogy, the study of family relations.Family relations have been studied by mathematicians, perhaps none more playfully than Thomas P. Kirkman (the nineteenth century expert in combinatorial mathematics) in his little puzzle rhyme he sent to the Educational Times [1, p.117]:Baby Tom of Bay HughThe nephew is and uncle too;In how many ways can this be true
Databáze: OpenAIRE