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Seminar

KPZ Equation with a Small Noise, Deep Upper Tail and Limit Shape November 04, 2021 (02:00 PM PDT - 03:00 PM PDT)
Parent Program:
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Speaker(s) Yier Lin (Columbia University)
Description No Description
Keywords and Mathematics Subject Classification (MSC)
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

KPZ Equation With A Small Noise, Deep Upper Tail And Limit Shape

Abstract/Media

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We prove an exact limit shape of the KPZ equations under weak noise scaling, when we condition the value of the KPZ equations at one point to be very large. We also show that under such conditioning, the shape of the noise in the KPZ equation is asymptotically given by the optimizer of the L^4 Gagliardo-Nirenberg-Sobolev inequality.

91931?type=thumb KPZ Equation with a Small Noise, Deep Upper Tail and Limit Shape 306 KB application/pdf

KPZ Equation With A Small Noise, Deep Upper Tail And Limit Shape