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Publikationen des Lehrstuhls Datenassimilation

Resolution of sharp fronts in the presence of model error in variational data assimilation

Autoren: M.A. Freitag, N.K. Nichols, C.J. Budd (2013)

Zeitschrift:
Q. J. R. Meteorol. Soc.
Seiten:
742-757
Band:
139

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Anschrift

Universität Potsdam
Institut für Mathematik
Campus Golm, Haus 9
Karl-Liebknecht-Str. 24-25
D-14476 Potsdam

Aktivitäten

08.05.2025, 16:15  –  Haus 9, Raum 1.22
Forschungsseminar Differentialgeometrie

Scalar Curvature Rigidity and Higher Index Theory

Thomas Tony

Llarull proved in the late '90s that the round n-sphere is area-extremal, meaning that one cannot simultaneously increase both its scalar curvature and its metric. Goette and Semmelmann generalized... 

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09.05.2025, 11:00  –  Campus Golm, Building 9, Room 2.22 and via Zoom
Arbeitsgruppenseminar Analysis

Cosmological solutions to the semiclassical Einstein equation with Minkowski-like vacua

Nicolai Rothe (TU Berlin)

We will discuss some newly found solutions to the full massless semiclassical Einstein equation (SCE) in a cosmological setting (with Λ=0).

After a short introduction to the relevant notions, we... 

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12.05.2025, 14:00  –  Haus 9, Raum 2.22
Verteidigung Masterarbeit / Master's Thesis Defence

Spectral flow of twisted Dirac operators

Remo Ziemke

This thesis generalizes Getzler's spectral flow formula for twisted Dirac operators to arbitrary twisting bundles and 1-parameter-families of connections. The formula proved by Getzler states that
... 

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15.05.2025, 16:15  –  Haus 9, Raum 1.22
Forschungsseminar Differentialgeometrie

TBA (Oskar Riedler)

Oskar Riedler

TBA

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16.05.2025, 10:00  –  Campus Golm, Building 9, Room 2.22 and via Zoom
Arbeitsgruppenseminar Analysis

Rough Geometric Integration

Harprit Singh (Wien) (online)

Combining ideas from Whitney’s geometric integration theory and rough analysis, we introduce spaces of rough differential \(k\) forms on \(d\)-manifolds which are formally given by
\(f = \sum _I... 

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