The strong Viterbo conjecture and various flavours of duality in Lagrangian products

Fuente: arXiv
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Autor principal: Vicente, Alejandro
Formato: Preprint
Publicado: 2025
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author Vicente, Alejandro
author_facet Vicente, Alejandro
contents In this note we analyze normalized symplectic capacities for two different notions of duality in Lagrangian products. Let $Φ$ be a $n$-tuple of Young functions with Legendre transform $n$-tuple $Φ^*$ and $K_Φ$ the unit ball for the Luxemburg metric induced by $Φ$. We can consider the ``dual functional" Lagrangian product $K_Φ\times_LK_{Φ^*}$ and the usual polar dual Lagrangian product $K_Φ\times_L K_Φ^{\circ}$. We show that for the former, all normalized symplectic capacities agree, while for the latter, we give a lower bound depending on $Φ$. In particular, under certain conditions on the $n$-tuple $Φ$, we get that $c(K_Φ\times_L K_Φ^{\circ})=4$, for any normalized symplectic capacity, that is, the strong Viterbo conjecture holds.
format Preprint
id arxiv_https___arxiv_org_abs_2505_07572
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle The strong Viterbo conjecture and various flavours of duality in Lagrangian products
Vicente, Alejandro
Symplectic Geometry
53D05
In this note we analyze normalized symplectic capacities for two different notions of duality in Lagrangian products. Let $Φ$ be a $n$-tuple of Young functions with Legendre transform $n$-tuple $Φ^*$ and $K_Φ$ the unit ball for the Luxemburg metric induced by $Φ$. We can consider the ``dual functional" Lagrangian product $K_Φ\times_LK_{Φ^*}$ and the usual polar dual Lagrangian product $K_Φ\times_L K_Φ^{\circ}$. We show that for the former, all normalized symplectic capacities agree, while for the latter, we give a lower bound depending on $Φ$. In particular, under certain conditions on the $n$-tuple $Φ$, we get that $c(K_Φ\times_L K_Φ^{\circ})=4$, for any normalized symplectic capacity, that is, the strong Viterbo conjecture holds.
title The strong Viterbo conjecture and various flavours of duality in Lagrangian products
topic Symplectic Geometry
53D05
url https://arxiv.org/abs/2505.07572