LNLFB-Problems | Local and Nonlocal Free Boundary Problems

Summary
A wide class of physical phenomena can be mathematically formalized as Free Boundary (FB) problems, usually described by a set of Partial Differential Equations (PDEs) that exhibit also some unknown interfaces (the FB). The main goal is to describe as precisely as possible both the solution to the PDEs and the properties of the FB, an issue of significant theoretical complexity. In this project the Experienced Researcher (ER) presents different FB problems, depending on their nature: local/nonlocal and elliptic/parabolic.

The first part is devoted to elliptic problems, with two objectives: the first one is to prove some quantitative regularity estimates for solutions to a class of elliptic semilinear equations related to Bernoulli one-phase type problems (local/nonlocal setting), while the second is to investigate the regularity/structure of the FB in a general nonlocal obstacle problem.

Also the second part has two objectives (parabolic framework). The ER intends to study some nonlocal parabolic Bernoulli one-phase type problems. In this framework, the whole theory must be developed: the ER plans to study the existence of suitable weak solutions as well as their optimal regularity and the regularity/structure of the FB.

The project contains innovative aspects, new techniques, and possesses a large number of applications to Physics, Engineering and Natural Sciences. The expected results are of great quality and will have significative impact in the PDEs community.
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More information & hyperlinks
Web resources: https://cordis.europa.eu/project/id/892017
Start date: 01-09-2020
End date: 31-08-2022
Total budget - Public funding: 203 149,44 Euro - 203 149,00 Euro
Cordis data

Original description

A wide class of physical phenomena can be mathematically formalized as Free Boundary (FB) problems, usually described by a set of Partial Differential Equations (PDEs) that exhibit also some unknown interfaces (the FB). The main goal is to describe as precisely as possible both the solution to the PDEs and the properties of the FB, an issue of significant theoretical complexity. In this project the Experienced Researcher (ER) presents different FB problems, depending on their nature: local/nonlocal and elliptic/parabolic.

The first part is devoted to elliptic problems, with two objectives: the first one is to prove some quantitative regularity estimates for solutions to a class of elliptic semilinear equations related to Bernoulli one-phase type problems (local/nonlocal setting), while the second is to investigate the regularity/structure of the FB in a general nonlocal obstacle problem.

Also the second part has two objectives (parabolic framework). The ER intends to study some nonlocal parabolic Bernoulli one-phase type problems. In this framework, the whole theory must be developed: the ER plans to study the existence of suitable weak solutions as well as their optimal regularity and the regularity/structure of the FB.

The project contains innovative aspects, new techniques, and possesses a large number of applications to Physics, Engineering and Natural Sciences. The expected results are of great quality and will have significative impact in the PDEs community.

Status

CLOSED

Call topic

MSCA-IF-2019

Update Date

28-04-2024
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Horizon 2020
H2020-EU.1. EXCELLENT SCIENCE
H2020-EU.1.3. EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions (MSCA)
H2020-EU.1.3.2. Nurturing excellence by means of cross-border and cross-sector mobility
H2020-MSCA-IF-2019
MSCA-IF-2019