Steiner symmetrization is known not to increase perimeter of sets in ℝn. The sets whose perimeter is preserved under this symmetrization are characterized in the present paper.
CITATION STYLE
Chlebík, M., Cianchi, A., & Fusco, N. (2005). The perimeter inequality under Steiner symmetrization: Cases of equality. Annals of Mathematics, 162(1), 525–555. https://doi.org/10.4007/annals.2005.162.525
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