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SUMMARY:Stochastic quantisation of the fractional \\Phi^4_3 model in the f
ull subcritical regime. - Massimiliano Gubinelli (University of Oxford)
DTSTART;VALUE=DATE-TIME:20230306T140000Z
DTEND;VALUE=DATE-TIME:20230306T150000Z
UID:https://talks.ox.ac.uk/talks/id/1b44835c-29a4-4017-b039-c855d2b55924/
DESCRIPTION:Stochastic quantisation is a stochastic analysis adapted to th
e multidimensional and distributional fields\, in particular those arising
in the Euclidean formulation of quantum field theory. In order to see thi
s idea in action\nI will give a sketch of a novel proof of the existence o
f the fractional Φ^4 Euclidean quantum field theory on the three dimensio
nal Euclidean space and in the full subcritical regime via parabolic stoch
astic quantisation. Our approach is based on the use of a truncated flow
equation for the effective description of the model at sufficiently small
scales and on coercive estimates for the non-linear stochastic partial di
fferential equation describing the interacting field.\n\nJoint work with P
aolo Rinaldi (Bonn).\nSpeakers:\nMassimiliano Gubinelli (University of Oxf
ord)
LOCATION:Mathematical Institute (L3)\, Woodstock Road OX2 6GG
TZID:Europe/London
URL:https://talks.ox.ac.uk/talks/id/1b44835c-29a4-4017-b039-c855d2b55924/
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DESCRIPTION:Talk:Stochastic quantisation of the fractional \\Phi^4_3 model
in the full subcritical regime. - Massimiliano Gubinelli (University of O
xford)
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