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SUMMARY:Second Chances - 
DTSTART:20191001T150000Z
DTEND:20191001T160000Z
UID:TALK130579@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The formalism of discrete differential forms has been used ver
 y successfully in computational electrodynamics. It is based on the idea t
 hat only the observables (i.e.\, the electromagnetic field) should be disc
 retised and that coordinates should not possess any relevance in the numer
 ical method. This is reflected in the fact that Maxwell&#39\;s theory can 
 be written entirely in geometric terms using differential forms. Einstein&
 #39\;s theory is entirely geometric as well and can also be written in ter
 ms of differential forms. In this talk I will describe an attempt to discr
 etise Einstein&#39\;s theory in a way similar to Maxwell&#39\;s theory. I 
 will describe the advantages and point out disadvantages. I will conclude 
 with some remarks about more general discrete structures on manifolds.
LOCATION:Seminar Room 1\, Newton Institute
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