Abstract
We show that the hexagonal honeycomb is optimal among convex periodic tessellations of the plane, provided the cost functional is lower semicontinuous with respect to the Hausdorff convergence, and decreasing under Steiner symmetrization.
References
- A. Baernstein: Symmetrization in Analysis, New Mathematical Monographs Vol. 36, Cambridge University Press, Cambridge (2019).https://doi.org/10.1017/9781139020244Google Scholar
- B. Bogosel, D. Bucur, I. Fragalà: The nonlocal isoperimetric problem for polygons: Hardy-Littlewood and Riesz inequalities, Math. Ann. 389/2 (2023) 1835–1882.https://doi.org/10.1007/s00208-023-02683-xGoogle Scholar
- M. Bonacini, R. Cristoferi, I. Topaloglu: Riesz-type inequalities and overdetermined problems for triangles and quadrilaterals, J. Geom. Analysis 32/2 (2022), art.no. 48.https://doi.org/10.1007/s12220-021-00737-7Google Scholar
- D. Bucur, I. Fragalà: Proof of the honeycomb asymptotics for optimal Cheeger clusters, Adv. Math. 350 (2019) 97–129.https://doi.org/10.1016/j.aim.2019.04.036Google Scholar
- D. Bucur, I. Fragalà: On the honeycomb conjecture for Robin Laplacian eigenvalues, Commun. Contemp. Math. 21/2 (2019), art.no. 185007, 29p.https://doi.org/10.1142/S0219199718500074Google Scholar
- D. Bucur, I. Fragalà, B. Velichkov, G. Verzini: On the honeycomb conjecture for a class of minimal convex partitions, Trans. Amer. Math. Soc. 370/10 (2018) 7149–7179.https://doi.org/10.1090/tran/7326Google Scholar
- L. A. Caffarelli, F. H. Lin: An optimal partition problem for eigenvalues, J. Sci. Comput. 31/1-2 (2007) 5–18.https://doi.org/10.1007/s10915-006-9114-8Google Scholar
- A. Cesaroni, I. Fragalà, M. Novaga: Lattice tilings minimizing nonlocal perimeters, Commun. Contemp. Math. 27/6 (2025), art.no. 2450043.https://doi.org/10.1142/S0219199724500433Google Scholar
- A. Cesaroni, M. Novaga: Periodic partitions with minimal perimeter, Nonlinear Analysis 243 (2024), art.no. 113522, 16p.https://doi.org/10.1016/j.na.2024.113522Google Scholar
- E. S. Fedorov: The symmetry of regular systems of figures, Proceedings of the Imperial St. Petersburg Mineralogical Society 28 (1891) 1–146.Google Scholar
- P. Gallagher, W. Ghang, D. Hu, Z. Martin, M. Miller, B. Perpetua, S. Waruhiu: Surface-area-minimizing n-hedral tiles, Rose-Hulman Undergraduate Math. J. 15/1 (2014), art.no. 13.Google Scholar
- K. Glasner: Segregation and domain formation in non-local multi-species aggregation equations, Phys. D 456 (2023), art.no. 133936, 11p.https://doi.org/10.1016/j.physd.2023.133936Google Scholar
- T. C. Hales: The honeycomb conjecture, Discrete Comput. Geom. 25/1 (2001) 1–22.https://doi.org/10.1007/s004540010071Google Scholar
- A. Henrot: Extremum Problems for Eigenvalues of Elliptic Operators, Frontiers in Mathematics, Birkhäuser Verlag, Basel (2006).https://doi.org/10.1007/3-7643-7706-2Google Scholar
- E. H. Lieb, M. Loss: Analysis, 2nd ed., Graduate Studies in Mathematics Vol. 14, American Mathematical Society, Providence (2001).https://doi.org/10.1090/gsm/014Google Scholar
- F. Maggi: Sets of Finite Perimeter and Geometric Variational Problems, Cambridge Studies in Advanced Mathematics Vol. 135, Cambridge University Press, Cambridge (2012).https://doi.org/10.1017/CBO9781139108133Google Scholar
- P. McMullen: Convex bodies which tile space by translation, Mathematika 27/1 (1980) 113–121.https://doi.org/10.1112/S0025579300010007Google Scholar
- F. Morgan: The hexagonal honeycomb conjecture, Trans. Amer. Math. Soc. 351/5 (1999) 1753–1763.https://doi.org/10.1090/S0002-9947-99-02356-9Google Scholar
- W. Thomson (Lord Kelvin): On the division of space with minimum partitional area, Acta Math. 11/1-4 (1887) 121–134.https://doi.org/10.1007/BF02612322Google Scholar
- D. Weaire (ed.): The Kelvin Problem. Foam Structures of Minimal Surface Area, Taylor & Francis, London (1997).Google Scholar
Suggested citation
Published by Heldermann Verlag, 2026. Rights now held by Banach Press.
