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UID:95@gravity.physik.fau.de
DTSTART;TZID=Europe/Berlin:20241105T163000
DTEND;TZID=Europe/Berlin:20241105T173000
DTSTAMP:20241102T162724Z
URL:https://www.gravity.physik.fau.de/events/order-and-number-a-route-to-q
 uantum-gravity-prof-sumati-surya-raman-institute/
SUMMARY:Order and Number\, A Route to Quantum Gravity\, Prof. Sumati Surya 
 (Raman Institute)
DESCRIPTION:One of the very many open problems  in theoretical physics is 
 that of quantising  gravity\, which is the attempt to successfully  comb
 ine  general relativity and quantum theory.   In this talk I will give a
  broad overview of  the problem of quantum gravity and the choices that w
 e can make\, along the routes we take.  This will lead me to the poset-ba
 sed "causal set" approach to quantisation. This is a  discrete\, Lorentzi
 an\, sum-over-histories formulation which combines the "essence"  of Lore
 ntzian geometry with  UV finiteness.  In  the continuum approximation o
 f the theory\, the  order relation corresponds to causality while cardina
 lity or number corresponds to spacetime volume. I will describe elements o
 f this theory and where it has led us in our search for a non-perturbative
  theory of quantum gravity.\n
CATEGORIES:Group Seminar,Other
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TZID:Europe/Berlin
X-LIC-LOCATION:Europe/Berlin
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DTSTART:20241027T020000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
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