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Boundary Phenomena: Harmonic Measure, Unique Continuation and Area Minimizing Currents

Project description

Bridging geometry and analysis through harmonic function

The study of harmonic functions is a cornerstone of partial differential equations. Supported by the Marie Skłodowska-Curie Actions programme, the BP-HM-UC-AMC project aims to address the challenge of understanding boundary behaviour, which is critical for solving complex mathematical and physical problems. The project will investigate three linked areas: the stability of harmonic measures, unique continuation in ‘rough’ domains, and the regularity of area-minimising currents. By utilising techniques such as multiscale oscillation and the propagation of smallness, BP-HM-UC-AMC will bridge these diverse mathematical threads. Its goal is to achieve significant advances in analysis and geometry. By solving long-standing conjectures, this research may open new directions for future research, impacting how we understand the complex intersection of geometry and analysis.

Objective

The study of harmonic functions is a cornerstone of partial differential equations. This project pursues three connected threads related to boundary behaviour: (i) harmonic measure, where we study its dimension and quantitative stability; (ii) boundary unique continuation for harmonic functions, extending Bers’ theorem in the plane to elliptic operators and improving unique continuation results for Neumann problems in rough domains; and (iii) boundary regularity for area-minimizing currents, in both the real-analytic setting (towards White’s conjecture) and the smooth case. These threads are closely connected through multiscale oscillation and propagation of smallness phenomena, and progress on them would mark significant advances and open new directions in analysis, geometry, and PDE.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITAT AUTONOMA DE BARCELONA
Net EU contribution
€ 194 074,56
Address
EDIF A CAMPUS DE LA UAB BELLATERRA CERDANYOLA V
08193 Cerdanyola Del Valles
Spain
Region
Este Cataluña Barcelona
Activity type
Higher or Secondary Education Establishments
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Total cost
No data