Nikolaos Chalmoukis

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20192025

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math.FA2025

Spider's webs and sharp $L^{p}$ bounds for the Hardy--Littlewood maximal operator on Gromov hyperbolic spaces

Nikolaos Chalmoukis, Stefano Meda, Federico Santagati

In this paper we prove that if $1 < a \leq b < a^{2}$ and $X$ is a locally doubling $δ$ -hyperbolic complete connected length metric measure space with $(a, b)$ -pinched exponential growth a…

math.FA2021

The Drury--Arveson space on the Siegel upper half-space and a von Neumann type inequality

Nicola Arcozzi, Nikolaos Chalmoukis, Alessandro Monguzzi +2

In this work we study what we call Siegel--dissipative vector of commuting operators $(A_{1}, \dots, A_{d + 1})$ on a Hilbert space $H$ and we obtain a von Neumann type inequa…

Spider's webs and sharp Lp bounds for the Hardy--Littlewood maximal operator on Gromov hyperbolic spaces

The Drury--Arveson space on the Siegel upper half-space and a von Neumann type inequality

Spider's webs and sharp $L^{p}$ bounds for the Hardy--Littlewood maximal operator on Gromov hyperbolic spaces