Volume 13, Issue 3 Julià Cufí Agustí Reventós Carlos J. Rodríguez A discrete approach to Wirtinger's inequality 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 Julià Cufí Agustí Reventós Carlos J. Rodríguez Find more articles with the same keywords Wirtinger's inequality piece-wise linear functions Fourier series Find more articles with the same subject classes 26D10