Leonardus Pisanus

Leonardus Pisanus, dictus Fibonacci, plenius Leonardus Bonacci et Leonardus Fibonacci (circa 1170–circa 1250), fuit mathematicus Italicus, a nonnullis consideratus peritissimus Medii Aevi mathematicus.^[1]

Leonardus Pisanus

Res apud Vicidata repertae:

Leonardus Pisanus: imago

Nativitas: 1170; Pīsae
Obitus: unknown value; Pīsae
Patria: Republic of Pisa

Familia

Genitores: Guglielmo Bonacci;

Memoria

Sepultura: Campo santo

statua Leonardo Pisano dicata in Coemeterio Pisarum

Vita

Natus est Leonardus Pisis circa annum 1170. Gulielmo patri fuit nomen Bonaccio ('sincerus, inconditus') per ludibrium datum. Alessandra mater obiit nono Leonardi anno. Leonardus solum post mortem nomen Fibonacci, ex filius Bonacci, accepit.^[2]

Libri insignes

• Liber Abaci (1202), de calculationibus
• Practica Geometriae (1220), compendium de geometria and trigonometria
• Flos (1225), de quaestionibus a Ioanne Palermensi positis
• Liber quadratorum de equationes diophantinis, ad Frederico II Imperatore dedicatus, in quo vide identitatem Fibonaccianam
• Di minor guisa, de arithmeticis negotiorum
• Commentarium de Libro X Elementorum Euclidi

Fontes

• Goetzmann, William N., et K. Geert Rouwenhorst. 2005. The Origins of Value: The Financial Innovations That Created Modern Capital Markets. Oxford University Press Inc. ISBN 0-19-517571-9.
• Grimm, R. E. 1973. "The Autobiography of Leonardo Pisano," Fibonacci Quarterly 11(1):99–104.
• A. F. Horadam. 1975. "Eight Hundred Years Young," The Australian Mathematics Teacher 31:123–134.

Nexus interni

• Identitas Fibonacciana
• Numeri Fibonacciani
• Agger Fibonaccianus
• Tempus Pisanum
• 6765 Fibonacci

Notae

1. Howard Eves, An Introduction to the History of Mathematics, ed. sexta (Brooks Cole, 1990; ISBN 0-03-029558-0), p 261.
2. Vide Libri Abaci incipium: "Incipit liber Abaci Compositus a leonardo filio Bonacij Pisano" ("Prologus" of the Liber Ab(b)aci at Latin Wikisource).

Nexus externi

Vicimedia Communia plura habent quae ad Leonardum Pisanum spectant.

• Liber abaci Leonardi Fibonacci
• Biographia apud Mac Tutor (Anglice)
• Biographia (Anglice)
• Algoritmus Fibonacci (Italiane)
• Goetzmann, William N., Fibonacci and the Financial Revolution (23 Octobris 2003), Yale School of Management International Center for Finance Working Paper No. 03-28 SSRN-Fibonacci and the Financial Revolution by William Goetzmann apud papers.ssrn.com
• Charles Burnett, Leonard of Pisa (Fibonacci) and Arabic Arithmetic
• Fibonacciat
• wallstreetcosmos.com, Fibonacci numbers and stock market analysis, 2008.
• O'Connor, John J and Robertson, Edmund F. "Leonardo Pisano Fibonacci—1170–1250" in The MacTutor History of Mathematics archive^{[nexus deficit]}. University of St Andrews, Scotia, 1998.
• Liber Abaci and its Egyptian fraction methods