Volume 1, Issue 2 Fabrizio Cuccu Giovanni Porru Optimization of the first eigenvalue in problems involving the bi-Laplacian Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Fabrizio Cuccu Giovanni Porru Find more articles with the same keywords bi-Laplacian eigenvalues minimization maximization rearrangement Find more articles with the same subject classes 35P15 47A75