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A minimizing cone from Cartan polynomials in the Alt-Caffarelli problem
Abstract
In this paper we study a class of 1-homogeneous solutions of the one-phase problem coming from the Cartan isoparametric cubic polynomials, which exist only in dimensions d=5,8,14,26. Our main result shows that they are unstable in dimensions d=5,8,14, and minimizing in dimension d=26. This provides the first example of a singular minimizing cone in the Alt-Caffarelli problem that is neither axially symmetric nor of Lawson-type.
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BibTeX
@misc{carducci2026minimizing,
title = {{A minimizing cone from Cartan polynomials in the Alt-Caffarelli problem}},
author = {Matteo Carducci and Bozhidar Velichkov},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.35179},
eprint = {2609.35179},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.35179},
}
RIS
TY - UNPB
TI - A minimizing cone from Cartan polynomials in the Alt-Caffarelli problem
AU - Matteo Carducci
AU - Bozhidar Velichkov
PY - 2026
DA - 2026/09/28
PB - arXiv
DO - 10.48550/arxiv.2609.35179
UR - https://arxiv.org/abs/2609.35179
AB - In this paper we study a class of 1-homogeneous solutions of the one-phase problem coming from the Cartan isoparametric cubic polynomials, which exist only in dimensions d=5,8,14,26. Our main result shows that they are unstable in dimensions d=5,8,14, and minimizing in dimension d=26. This provides the first example of a singular minimizing cone in the Alt-Caffarelli problem that is neither axially symmetric nor of Lawson-type.
ER -