SMRI Seminar: Cooper -- Symmetry, old and new

SMRI Seminar:
’Symmetry, old and new’ 
Daryl Cooper (University of California, Santa Barbara)

Thursday 22nd February 
1:00-2:00pm (AEDT)
Law Annex Lecture Theatre 026 & via Zoom 
(register/join: https://uni-sydney.zoom.us/j/89772007378)


Abstract: I will discuss symmetry from a combinatorial perspective. Examples include 
wallpaper groups, 4-valent graphs,  regular languages, molecules,  Penrose tilings, 
and geometric 3-manifolds. It turns out that for each of these classes there is a 
finite universal geometric object that encodes all the possibilities. 

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Please join us after the seminar for SMRI afternoon tea, 2:00-2:45pm every Thursday on
the SMRI Terrace (accessed through A14-04-L4.36) 

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