Conformally Invariant Dirac Equation with Non-Local Nonlinearity

Fuente: arXiv
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Autores principales: Maalaoui, Ali, Martino, Vittorio, Mbarki, Lamine
Formato: Preprint
Publicado: 2025
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author Maalaoui, Ali
Martino, Vittorio
Mbarki, Lamine
author_facet Maalaoui, Ali
Martino, Vittorio
Mbarki, Lamine
contents We study a conformally invariant equation involving the Dirac operator and a non-linearity of convolution type. This non-linearity is inspired from the conformal Einstein-Dirac problem in dimension 4. We first investigate the compactness, bubbling and energy quantization of the associated energy functional then we characterize the ground state solutions of the problem on the standard sphere. As a consequence, we prove an Aubin-type inequality that assures the existence of solutions to our problem and in particular the conformal Einstein-Dirac problem in dimension 4. Moreover, we investigate the effect of a linear perturbation to our problem, leading us to a Brezis-Nirenberg type result.
format Preprint
id arxiv_https___arxiv_org_abs_2504_10779
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Conformally Invariant Dirac Equation with Non-Local Nonlinearity
Maalaoui, Ali
Martino, Vittorio
Mbarki, Lamine
Differential Geometry
Analysis of PDEs
53C18, 53C27, 58J55, 58J60
We study a conformally invariant equation involving the Dirac operator and a non-linearity of convolution type. This non-linearity is inspired from the conformal Einstein-Dirac problem in dimension 4. We first investigate the compactness, bubbling and energy quantization of the associated energy functional then we characterize the ground state solutions of the problem on the standard sphere. As a consequence, we prove an Aubin-type inequality that assures the existence of solutions to our problem and in particular the conformal Einstein-Dirac problem in dimension 4. Moreover, we investigate the effect of a linear perturbation to our problem, leading us to a Brezis-Nirenberg type result.
title Conformally Invariant Dirac Equation with Non-Local Nonlinearity
topic Differential Geometry
Analysis of PDEs
53C18, 53C27, 58J55, 58J60
url https://arxiv.org/abs/2504.10779