Carlos Amigo Vallejo by Juan Asenjo Pelegrina. On Saturday, 22 September 2012, Cardinal Amigo Vallejo was appointed by Pope Benedict XVI to serve as his Special Envoy to the closing celebrations of the fifth centenary (500-year-anniversary) of the arrival of Puerto Rico's first Bishop, Don Alonso Manso, set to take place in San Juan, Puerto Rico, on 19 November 2012. He participated as a cardinal-elector in the papal conclave in 2013 which elected Jorge Mario Cardinal Bergoglio as Pope Francis. Vallejo lost the right to participate in future conclaves upon reaching his 80th birthday on 23 August 2014. Carlos Amigo Vallejo Carlos Amigo
Jorge Luis Borges and mathematics Jorge Luis Borges and mathematics Jorge Luis Borges and mathematics concerns several modern mathematical concepts found in certain essays and short stories of Argentinian author Jorge Luis Borges (1899-1986), including concepts such as set theory, recursion, chaos theory, and infinite sequences, although Borges' strongest links to mathematics are through Georg Cantor's theory of infinite sets, outlined in "The Doctrine of Cycles" ("La doctrina de los ciclos"). Some of Borges' most popular works such as "The Library of Babel" ("La Biblioteca de Babel"), "The Garden of Forking Paths" ("El Jardín de Senderos que se Bifurcan"), "The Aleph" ("El Aleph"), an allusion