Piero Deidda

activity

20222025

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math.NA2024

Graph $p$ -Laplacian eigenpairs as saddle points of a family of spectral energy functions

Piero Deidda, Nicola Segala, Mario Putti

We address the problem of computing the graph $p$ -Laplacian eigenpairs for $p \in (2, \infty)$ . We propose a reformulation of the graph $p$ -Laplacian eigenvalue problem in terms of a…

math.NA2022

Nodal domain count for the generalized graph $p$ -Laplacian

Piero Deidda, Mario Putti, Francesco Tudisco

Inspired by the linear Schrödinger operator, we consider a generalized $p$ -Laplacian operator on discrete graphs and present new results that characterize several spectral properti…

Graph p-Laplacian eigenpairs as saddle points of a family of spectral energy functions

Nodal domain count for the generalized graph p-Laplacian

Graph $p$ -Laplacian eigenpairs as saddle points of a family of spectral energy functions

Nodal domain count for the generalized graph $p$ -Laplacian