Combinatorics

Combinatorics is a branch of mathematics concerning the study of finite or countable discrete structures. Quotes Combinatorics and Algebraic Geometry have enjoyed a fruitful interplay since the nineteenth century. Classical interactions include invariant theory, theta functions, and enumerative geometry. Aldo Conca Sandra Di Rocco Jan Draisma June Huh Bernd Sturmfels Filippo Viviani Combinatorial Algebraic Geometry: Levico Terme, Italy 2013 http://books.google.com/books?id=m0S5BQAAQBAJ&pg=PR5 15 May 2014 Springer 978-3-319-04870-3 5 The result of a counting process is independent of the way in which it is done. This is really an assumption about what counting is. It would be senseless to try to prove it, because it is so basic; either you see it or you don't—but in the latter case, a proof won't help you a bit. Douglas Hofstadter Gödel, Escher, Bach 55 External links Category:Mathematics