{"id":148068,"date":"2025-05-12T14:04:25","date_gmt":"2025-05-12T14:04:25","guid":{"rendered":"https:\/\/www.unipi.it\/ateneo\/organizzazione\/persone\/luca-gemignani-5608-en\/"},"modified":"2026-04-01T04:40:51","modified_gmt":"2026-04-01T02:40:51","slug":"luca-gemignani-5608-en","status":"publish","type":"unipi_persone","link":"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/","title":{"rendered":"Luca Gemignani"},"content":{"rendered":"<p>Professore Ordinario &#8211; Dipartimento di Informatica | Tel.: 050 2213136 &#8211; Email: luca.gemignani@unipi.it<\/p>\n","protected":false},"template":"","meta":{"unipi-persone-chiave":"5608","unipi-persone-nome":"Luca","unipi-persone-cognome":"Gemignani","unipi-persone-email":"luca.gemignani@unipi.it","unipi-persone-cv":"Nato a Lucca  il 13\/03\/1963 si \u00e8 laureato in Matematica presso l'Universit\u00e0 di Pisa il 14\/04\/1988.<br \/>\r\nDal 1990 al 1997  e` stato Ricercatore Universitario presso il Dipartimento di Matematica dell'Universita` di Parma ed il Dipartimento <br \/>\r\ndi Informatica dell'Universita` di Pisa.  Dal 1998  al 2012   ha ricoperto il ruolo di  Professore Associato di Analisi numerica presso <br \/>\r\nla facolt\u00e0 di Scienze dell'Universit\u00e0 di Pisa  afferendo al Dipartimento di Matematica. E` attualmente Professore Ordinario di <br \/>\r\nAnalisi numerica presso  il Dipartimento di Informatica dell'Universita` di Pisa. <br \/>\r\nI suoi interessi scientifici riguardano il campo della matematica computazionale: aree piu' specifiche sono l'algebra lineare numerica, il calcolo polinomiale e lo sviluppo di approcci simbolico-numerici per la risoluzione di problemi in questi settori. L'attenzione principale e' rivolta alle numerose e varie tematiche che scaturiscono nella risoluzioni di (sistemi di) equazioni lineari e non lineari, comprendendo problematiche quali l'analisi della complessita' e la sintesi di algoritmi efficienti basati su proprieta' strutturali.<br \/>\r\nI risultati di queste ricerche sono stati presentati a vari congressi internazionali di matematica computazionale.<br \/>\r\nLuca Gemignani e` autore di piu` di 70 articoli pubblicati su riviste internazionali, ha svolto attivita` di referee per le principali riviste nel settore della matematica computazionale ed e` stato invitato nel 2010 come editore di un numero speciale di Linear Algebra and its Applications.","unipi-persone-link-esterno-cv":"","unipi-persone-modalita-ricevimento":"\r\n\r\n\r\n\r\n\r\n","unipi-persone-luogo-ricevimento":"\r\n\r\n\r\n\r\n\r\n","unipi-persone-ore-ricevimento":"Venerdi' 9-11. Disponibilita` per ulteriori slots su richiesta degli studenti. \r\n\r\n\r\n\r\n","unipi-persone-telefono":"050 2213136","unipi-persone-sitoweb":"http:\/\/www.di.unipi.it\/user\/lgemignani\/","unipi-persone-cariche":"","unipi-persone-link-orario-lezioni":"https:\/\/unipi.prod.up.cineca.it\/calendarioPubblico\/matricola=008446","unipi-persone-link-registro-lezioni":"https:\/\/unimap.unipi.it\/registri\/registri.php?ri=008446&tmplt=principale.tpl","unipi-persone-settore-scientifico":"Analisi Numerica MATH-05\/A","unipi-persone-ruolo":"Professore Ordinario","unipi-persone-arpi":"https:\/\/arpi.unipi.it\/cris\/rp\/rp12971","unipi-persone-pubblicazioni":"<ul class=\"pubblicazioni-list\"><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1308069\" target=\"_blank\" rel=\"noopener noreferrer\">Computing the action of the matrix generating function of Bernoulli polynomials on a vector with an application to non-local boundary value problems<\/a> <span class=\"pub-details\">(Lidia, Aceto; Gemignani, Luca - 2025 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1306367\" target=\"_blank\" rel=\"noopener noreferrer\">A scaling-and-squaring method for computing the inverses of matrix $$varphi $$-functions<\/a> <span class=\"pub-details\">(Aceto, Lidia; Gemignani, Luca - 2025 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1271515\" target=\"_blank\" rel=\"noopener noreferrer\">Numerical solution of nonclassical boundary value problems<\/a> <span class=\"pub-details\">(Boito, Paola; Eidelman, Yuli; Gemignani, Luca - 2024 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1191127\" target=\"_blank\" rel=\"noopener noreferrer\">Experimental Study of\u00a0a\u00a0Parallel Iterative Solver for\u00a0Markov Chain Modeling<\/a> <span class=\"pub-details\">(Besozzi, Valerio; Della Bartola, Matteo; Gemignani, Luca - 2023 - 2.1 Contributo in volume (Capitolo o Saggio))<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1178892\" target=\"_blank\" rel=\"noopener noreferrer\">Efficient Inversion of Matrix ?-Functions of Low Order<\/a> <span class=\"pub-details\">(Gemignani, Luca - 2023 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1168087\" target=\"_blank\" rel=\"noopener noreferrer\">Relaxed fixed point iterations for matrix equations arising in Markov chain modeling<\/a> <span class=\"pub-details\">(Gemignani, L; Meini, B - 2023 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1131670\" target=\"_blank\" rel=\"noopener noreferrer\">Orthogonal Iterations on Companion-Like Pencils<\/a> <span class=\"pub-details\">(Bevilacqua, R.; Del Corso, G. M.; Gemignani, L. - 2022 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1118096\" target=\"_blank\" rel=\"noopener noreferrer\">Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes<\/a> <span class=\"pub-details\">(Gemignani, Luca; Romani, Lucia; Viscardi, Alberto - 2022 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1114804\" target=\"_blank\" rel=\"noopener noreferrer\">Computing the reciprocal of a ?-function by rational approximation<\/a> <span class=\"pub-details\">(Boito, Paola; Eidelman, Yuli; Gemignani, Luca - 2022 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/1113306\" target=\"_blank\" rel=\"noopener noreferrer\">Comparison theorems for splittings of M-matrices in [block] Hessenberg form<\/a> <span class=\"pub-details\">(Gemignani, L.; Poloni, F. - 2022 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/989883\" target=\"_blank\" rel=\"noopener noreferrer\">Efficient Reduction of Compressed Unitary plus Low Rank Matrices to Hessenberg form<\/a> <span class=\"pub-details\">(Bevilacqua, Roberto; DEL CORSO, GIANNA MARIA; Gemignani, Luca - 2020 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/937936\" target=\"_blank\" rel=\"noopener noreferrer\">Accelerating the Sinkhorn-Knopp iteration by Arnoldi-type methods<\/a> <span class=\"pub-details\">(Aristodemo, A.; Gemignani, L. - 2020 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/937932\" target=\"_blank\" rel=\"noopener noreferrer\">Fast QR iterations for unitary plus low rank matrices<\/a> <span class=\"pub-details\">(Bevilacqua, Roberto; Del Corso, Gianna M.; Gemignani, Luca - 2020 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/947048\" target=\"_blank\" rel=\"noopener noreferrer\">A QR based approach for the nonlinear eigenvalue problem<\/a> <span class=\"pub-details\">(Bevilacqua, R.; Del Corso, G. M.; Gemignani, L. - 2018 - 1.1 Articolo in rivista)<\/span><\/li><li><a href=\"https:\/\/arpi.unipi.it\/handle\/11568\/937929\" target=\"_blank\" rel=\"noopener noreferrer\">Computing the Inverse of a f-Function by Rational Approximation<\/a> <span class=\"pub-details\">(Boito, Paola; Eidelman, Yuli; Gemignani, Luca - 2018 - 5.12 Altro)<\/span><\/li><\/ul>","unipi-persone-didattica":"<ul class=\"registri-list\"><li>Calcolo numerico (cod. 442AA) per Laurea in Ingegneria biomedica<\/li><li>Parallel scientific computing (cod. 571AA) per Laurea Magistrale in Informatica e networking<\/li><\/ul>","unipi-persone-codocenze":"<h4 class=\"mt-2\">Incarichi di co-docenza in moduli\/insegnamenti<\/h4><ul><li>Calcolo Numerico (Cod. 720AA) per Laurea in Ingegneria chimica<\/li><\/ul>","unipi-persone-interessi-ricerca":"","_wpml_word_count":"14","_last_translation_edit_mode":"translation-editor","_elementor_page_assets":[]},"organizzazioni":[3668],"class_list":["post-148068","unipi_persone","type-unipi_persone","status-publish","hentry","organizzazioni-dipartimento-di-informatica-489999-en"],"email":"luca.gemignani@unipi.it","telefono":"050 2213136","content_plain":"Professore Ordinario &#8211; Dipartimento di Informatica | Tel.: 050 2213136 &#8211; Email: luca.gemignani@unipi.it","photo_url":"https:\/\/www.unipi.it\/fotopersonale\/5608.jpg","ruoli_tags":[{"id":748,"name":"PO","slug":"po"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Luca Gemignani ~ UNIPI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Luca Gemignani ~ UNIPI\" \/>\n<meta property=\"og:description\" content=\"Professore Ordinario &#8211; Dipartimento di Informatica | Tel.: 050 2213136 &#8211; Email: luca.gemignani@unipi.it\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/\" \/>\n<meta property=\"og:site_name\" content=\"UNIPI\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/unipisaofficial\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-01T02:40:51+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/\",\"url\":\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/\",\"name\":\"Luca Gemignani ~ UNIPI\",\"isPartOf\":{\"@id\":\"https:\/\/www.unipi.it\/en\/#website\"},\"datePublished\":\"2025-05-12T14:04:25+00:00\",\"dateModified\":\"2026-04-01T02:40:51+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\",\"item\":\"https:\/\/www.unipi.it\/en\/home\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Luca Gemignani\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.unipi.it\/en\/#website\",\"url\":\"https:\/\/www.unipi.it\/en\/\",\"name\":\"UNIPI\",\"description\":\"UNIPI\",\"publisher\":{\"@id\":\"https:\/\/www.unipi.it\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.unipi.it\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.unipi.it\/en\/#organization\",\"name\":\"UNIPI\",\"url\":\"https:\/\/www.unipi.it\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.unipi.it\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.unipi.it\/wp-content\/uploads\/Raggruppa-3020.svg\",\"contentUrl\":\"https:\/\/www.unipi.it\/wp-content\/uploads\/Raggruppa-3020.svg\",\"width\":176,\"height\":64,\"caption\":\"UNIPI\"},\"image\":{\"@id\":\"https:\/\/www.unipi.it\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/unipisaofficial\/\",\"https:\/\/www.instagram.com\/unipisa\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Luca Gemignani ~ UNIPI","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.unipi.it\/en\/about-us\/organisation\/people\/luca-gemignani-5608-en\/","og_locale":"en_US","og_type":"article","og_title":"Luca Gemignani ~ UNIPI","og_description":"Professore Ordinario &#8211; 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