expressible
101Glossary of topology — This is a glossary of some terms used in the branch of mathematics known as topology. Although there is no absolute distinction between different areas of topology, the focus here is on general topology. The following definitions are also… …
102Theorem — The Pythagorean theorem has at least 370 known proofs[1] In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and previously accepted statements …
103Writing system — Predominant scripts at the national level, with selected regional and minority scripts. Alphabet Latin Cyrillic Latin Greek …
104Verb — This article is about the part of speech. For the physical activity program, see VERB (program). For English usage of verbs, see English verbs. Verbs redirects here. For the Christian gospel rapper, see Verbs (rapper). Examples I washed the car… …
105PSPACE — Unsolved problems in computer science Is P = PSPACE ? PSPACE …
106Noise — This article is about noise as an unwanted phenomenon. For other uses, see Noise (disambiguation). NASA researchers at Glenn Research Center conducting tests on aircraft engine noise in 1967 In common use, the word noise means any unwanted …
107Goldbach's conjecture — is one of the oldest unsolved problems in number theory and in all of mathematics. It states::Every even integer greater than 2 can be written as the sum of two primes.Expressing a given even number as a sum of two primes is called a Goldbach… …
108Catalan's constant — In mathematics, Catalan s constant G , which occasionally appears in estimates in combinatorics, is defined by:G = eta(2) = sum {n=0}^{infty} frac{( 1)^{n{(2n+1)^2} = frac{1}{1^2} frac{1}{3^2} + frac{1}{5^2} frac{1}{7^2} + cdotswhere β is the… …
109Buckingham π theorem — The Buckingham π theorem is a key theorem in dimensional analysis. The theorem loosely states that if we have a physically meaningful equation involving a certain number, n , of physical variables, and these variables are expressible in terms of… …
110Imaginary unit — i in the complex or cartesian plane; real numbers fall on the horizontal axis, and imaginary numbers fall on the vertical axis In mathematics, the imaginary unit allows the real number system ℝ to be extended to the complex number system ℂ, which …
