%0 Journal Article %T Hyperbolic Fibonacci and Lucas Functions, ¡°Golden¡± Fibonacci Goniometry, Bodnar¡¯s Geometry, and Hilbert¡¯s¡ª¡ªPart I. Hyperbolic Fibonacci and Lucas Functions and ¡°Golden¡± Fibonacci Goniometry %A Alexey Stakhov %A Samuil Aranson %J Applied Mathematics %P 74-84 %@ 2152-7393 %D 2011 %I Scientific Research Publishing %R 10.4236/am.2011.21009 %X This article refers to the ¡°Mathematics of Harmony¡± by Alexey Stakhov in 2009, a new interdisciplinary direction of modern science. The main goal of the article is to describe two modern scientific discove-ries¡ªNew Geometric Theory of Phyllotaxis (Bodnar¡¯s Geometry) and Hilbert¡¯s Fourth Problem based on the Hyperbolic Fibonacci and Lucas Functions and ¡°Golden¡± Fibonacci ¦Ë-Goniometry ( ¦Ë > 0 is a given positive real number). Although these discoveries refer to different areas of science (mathematics and theoretical botany), however they are based on one and the same scientific ideas¡ªthe ¡°golden mean¡±, which had been introduced by Euclid in his Elements, and its generalization¡ªthe ¡°metallic means¡±, which have been studied recently by Argentinian mathematician Vera Spinadel. The article is a confirmation of interdisciplinary character of the ¡°Mathematics of Harmony¡±, which originates from Euclid¡¯s Elements. %K Euclid¡¯s Fifth Postulate %K Lobachevski¡¯s Geometry %K Hyperbolic Geometry %K Phyllotaxis %K Bodnar¡¯s Geometry %K Hilbert¡¯s Fourth Problem %K The ¡°Golden¡± and ¡°Metallic¡± Means %K Binet Formulas %K Hyperbolic Fibonacci and Lucas Functions %K Gazale Formulas %K ¡°Golden¡± Fibonacci ¦Ë-Goniometry %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=3813