Sarah Alsaadi: Some versions of the four functions theorem
Tid: Fr 2013-04-12 kl 13.15 - 14.00
Plats: Room 306, building 6, Kräftriket, Department of mathematics, Stockholm university
The four functions theorem of Ahlswede and Daykin (1978) is a correlation inequality for four functions defined on a finite distributive lattice. We will give some applications of this result, and show several versions of the theorem, including one for polynomials in several variables.