Tau-function — The Ramanujan tau function is the function au:mathbb{N} omathbb{Z} defined by the following identity: :sum {ngeq 1} au(n)q^n=qprod {ngeq 1}(1 q^n)^{24}.The first few values of the tau function are given in the following table OEIS|id=A000594:If… … Wikipedia
Tau — (uppercase Τ, lowercase τ; el. Ταυ [taf] ) is the 19th letter of the Greek alphabet. In the system of Greek numerals it has a value of 300. This letter in English is pronounced IPA|/taʊ/, but in Modern Greek, this letter s name is pronounced… … Wikipedia
Tau (2π) — El texto que sigue es una traducción defectuosa o incompleta. Si quieres colaborar con Wikipedia, busca el artículo original y mejora o finaliza esta traducción. Puedes dar aviso al autor principal del artículo pegando el siguiente código en su… … Wikipedia Español
Tau Beta Sigma — Infobox Fraternity | name = Tau Beta Sigma letters = ΤΒΣ crest = motto = Tau Beta Sigma for Greater Bands colors = White and Admiralty Blue symbol = flower = Long Stemmed Red American Beauty rose, birthplace = Texas Tech University founded = 1946 … Wikipedia
Tau-Funktion — Im mathematischen Teilgebiet der Zahlentheorie gibt die Teileranzahlfunktion an, wieviele Teiler eine natürliche Zahl hat; dabei werden die Zahl selbst und die Eins mitgezählt. Die Teileranzahlfunktion wird üblicherweise mit d oder τ bezeichnet.… … Deutsch Wikipedia
Arithmetic function — In number theory, an arithmetic (or arithmetical) function is a real or complex valued function ƒ(n) defined on the set of natural numbers (i.e. positive integers) that expresses some arithmetical property of n. [1] An example of an arithmetic… … Wikipedia
Choice function — A choice function (selector, selection) is a mathematical function f that is defined on some collection X of nonempty sets and assigns to each set S in that collection some element f(S) of S. In other words, f is a choice function for X if and… … Wikipedia
General Tau Theory — Origin A theory of perceptuomotor control based on the ecological invariant, tau. The theory was developed from work on J.J. Gibson s notion of ecological invariants in the visual flow field during a perception in action event, and subsequently… … Wikipedia
Dedekind eta function — For the Dirichlet series see Dirichlet eta function. Dedekind η function in the complex plane The Dedekind eta function, named after Richard Dedekind, is a function defined on the upper half plane of complex numbers, where the imaginary part is… … Wikipedia
Bessel function — In mathematics, Bessel functions, first defined by the mathematician Daniel Bernoulli and generalized by Friedrich Bessel, are canonical solutions y(x) of Bessel s differential equation: for an arbitrary real or complex number α (the order of the … Wikipedia