Перевод: со всех языков на русский

с русского на все языки

closed range theorem

См. также в других словарях:

  • Closed range theorem — In the mathematical theory of Banach spaces, the closed range theorem gives necessary and sufficient conditions for a closed densely defined operator to have closed range. The theorem was proved by Stefan Banach in his 1932 Théorie des opérations …   Wikipedia

  • Closed list — Part of the Politics series Electoral methods Single winner …   Wikipedia

  • Newton's theorem of revolving orbits — Figure 1: An attractive force F(r) causes the blue planet to move on the cyan circle. The green planet moves three times faster and thus requires a stronger centripetal force, which is supplied by adding an attractive inverse cube force. The …   Wikipedia

  • Essential range — In mathematics, particularly measure theory, the essential range of a function is intuitively the non negligible range of the function. One way of thinking of the essential range of a function is the set on which the range of the function is most …   Wikipedia

  • Banach–Alaoglu theorem — In functional analysis and related branches of mathematics, the Banach–Alaoglu theorem (also known as Alaoglu s theorem) states that the closed unit ball of the dual space of a normed vector space is compact in the weak* topology. [Rudin, section …   Wikipedia

  • Arzelà–Ascoli theorem — In mathematics, the Arzelà–Ascoli theorem of functional analysis gives necessary and sufficient conditions to decide whether every subsequence of a given sequence of real valued continuous functions defined on a closed and bounded interval has a… …   Wikipedia

  • Whitney extension theorem — In mathematics, in particular in mathematical analysis, the Whitney extension theorem is a partial converse to Taylor s theorem. Roughly speaking, the theorem asserts that if A is a closed subset of a Euclidean space, then it is possible to… …   Wikipedia

  • Löwenheim–Skolem theorem — In mathematical logic, the Löwenheim–Skolem theorem, named for Leopold Löwenheim and Thoralf Skolem, states that if a countable first order theory has an infinite model, then for every infinite cardinal number κ it has a model of size κ. The… …   Wikipedia

  • Atkinson's theorem — In operator theory, Atkinson s theorem gives a characterization of Fredholm operators. The theorem Let H be a Hilbert space and L ( H ) the bounded operators on H . The following is the classical definition of a Fredholm operator: a T ∈ L ( H )… …   Wikipedia

  • Hille–Yosida theorem — In functional analysis, the Hille–Yosida theorem characterizes one parameter semigroups of linear operators on Banach spaces satisfying certain continuity restrictions. The theorem is useful for solving certain differential equations such as the… …   Wikipedia

  • Spectrum (functional analysis) — In functional analysis, the concept of the spectrum of a bounded operator is a generalisation of the concept of eigenvalues for matrices. Specifically, a complex number λ is said to be in the spectrum of a bounded linear operator T if… …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»