- Betti's theorem
- теорема Бетти

*Авиасловарь.
М.А.Левин.
2004.*

- Betti's theorem
- теорема Бетти

*Авиасловарь.
М.А.Левин.
2004.*

**Betti's theorem**— Betti s theorem, which was discovered by Enrico Betti in 1872, states that for a linear elastic structure subject to two sets of forces {Pi} i=1,...,m and {Qj}, j=1,2,...,n, the work done by the set P through the displacements produced by the set … Wikipedia**Betti**— is a surname, and may refer to* Betti number in topology, named for Enrico Betti * Betti s theorem in engineering theory, named for Enrico Betti * Betti reactionPeople with the surname Betti* Enrico Betti, Italian mathematician (1823 1892). *… … Wikipedia**Betti number**— In algebraic topology, the Betti number of a topological space is, in intuitive terms, a way of counting the maximum number of cuts that can be made without dividing the space into two pieces. This defines, in fact, what is called the first Betti … Wikipedia**Betti, Laura**— (1934 2004) Singer and actress. Betti began, under the name of Laura Sarno, as a jazz singer in musical revues but soon graduated to more demanding roles in dramatic theater, giving a particularly strong performance in an Italian production of … Guide to cinema**Betti, Laura**— (1934 2004) Singer and actress. Betti began, under the name of Laura Sarno, as a jazz singer in musical revues but soon graduated to more demanding roles in dramatic theater, giving a particularly strong performance in an Italian production of … Historical dictionary of Italian cinema**Enrico Betti**— Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = 21 October 1823 birth place = Pistoia, Tuscany death date = 11 August 1892 death place = residence = citizenship = nationality = Italy ethnicity =… … Wikipedia**Gromov's theorem**— may mean one of a number of results of Mikhail Gromov:*One of Gromov s compactness theorems: ** Gromov s compactness theorem (geometry) in Riemannian geometry ** Gromov s compactness theorem (topology) in symplectic topology *Gromov s Betti… … Wikipedia**Künneth theorem**— In mathematics, especially in homological algebra and algebraic topology, a Künneth theorem is a statement relating the homology of two objects to the homology of their product. The classical statement of the Künneth theorem relates the singular… … Wikipedia**Hairy ball theorem**— The hairy ball theorem of algebraic topology states that there is no nonvanishing continuous tangent vector field on the sphere. If f is a continuous function that assigns a vector in R3 to every point p on a sphere such that f ( p ) is always… … Wikipedia**Universal coefficient theorem**— In mathematics, the universal coefficient theorem in algebraic topology establishes the relationship in homology theory between the integral homology of a topological space X, and its homology with coefficients in any abelian group A. It states… … Wikipedia**Laura Betti**— (May 1, 1927 [Until her death, Laura Betti was widely believed to have been born on May 1, 1934. In fact, all her obituaries referred to the 1934 date. The actress herself had encouraged that erroneous belief.] July 31, 2004) was an Italian… … Wikipedia