SMS scnews item created by Sean Gardiner at Tue 21 Apr 2015 1238
Type: Seminar
Distribution: World
Expiry: 24 Apr 2015
Calendar1: 23 Apr 2015 1300-1400
CalLoc1: New Law 104
Auth: seangard@como.maths.usyd.edu.au

# SUMS: Tillmann -- Scissors Congruence and Hilbert’s 3rd Problem

This Thursday’s SUMS talk will be given by Stephan Tillmann.  Pre-cut, circular pizza
will be available after the talk.

Abstract:
Given a polygon, can you cut it up and reassemble the pieces to obtain a
rectangle? Given two rectangles of the same area, can you cut one up and reassemble the
pieces to obtain the other? Given a rectangle, can you cut it up into a finite number of
squares?

In this talk, I’ll discuss these questions about polygons, as well as the analogous
questions about 3-dimensional polytopes, and mention various questions that remain
open.


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