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DTSTART:20240310T070000
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DTSTART:20231105T060000
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UID:69f9374671939
DTSTART;TZID=America/Toronto:20240605T130000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20240605T141500
URL:https://uwaterloo.ca/pure-mathematics/events/differential-geometry-work
 ing-seminar-111
SUMMARY:Differential Geometry Working Seminar
CLASS:PUBLIC
DESCRIPTION:UTKARSH BAJAJ\n\nKlein's icosahedral function\n\nCan we define 
 a rational function on the sphere? Sure we can. Can we\ndefine a rational 
 function on the sphere so that it is invariant under\nthe rotational symme
 tries under the icosahedron? Yes - by embedding\nthe icosahedron in the Ri
 emann sphere (and then doing some algebra).\nWe then show how this beautif
 ul function reveals connections between\nthe symmetries of the icosahedron
  and the E8 lattice  - the lattice\nthat gives the most efficient packing
  of spheres in 8 dimensions!\n\nMC 5501
DTSTAMP:20260505T001814Z
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