Religion in Italy North-West, 62%, 16% and 13%, respectively. The headquarters of the 1.2-billion strong Catholic Church, the State of Vatican City (see also Holy See), is an enclave within the city of Rome and, thus, the Italian territory. The Church's world leader, the Pope, is the Bishop of Rome, hence the special relationship between Italians and the Church—and the latter's entanglement with Italian politics (see Lateran Treaty and the section below on religion and politics). The current Pope is Francis, born Jorge Mario Bergoglio, who, before his election in 2013, is from Argentina and was the Archbishop of Buenos Aires from 1998
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