Von Neumann algebra: A subalgebra $ A $ of the algebra $ {\mathcal B} ( H) $ of bounded linear operators on a Hilbert space $ H $ that is self-adjoint (that is, contains together with every operator $ T $ its adjoint operator $ T ^ {*} $) and that coincides with its bicommutant ... (Mathematics) [100%] 2023-12-17
Von Neumann algebra: In mathematics, a von Neumann algebra or W*-algebra is a *-algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. It is a special type of C*-algebra. (*-algebra of bounded operators on a Hilbert space) [100%] 2023-12-18 [Operator theory] [Von Neumann algebras]...
Abelian von Neumann algebra: In functional analysis, an abelian von Neumann algebra is a von Neumann algebra of operators on a Hilbert space in which all elements commute. The prototypical example of an abelian von Neumann algebra is the algebra L(X, μ) for μ a ... [86%] 2022-10-11 [Von Neumann algebras]
Enveloping von Neumann algebra: In operator algebras, the enveloping von Neumann algebra of a C*-algebra is a von Neumann algebra that contains all the operator-algebraic information about the given C*-algebra. This may also be called the universal enveloping von Neumann algebra ... [86%] 2023-11-07
Finite von Neumann algebra: In mathematics, a finite von Neumann algebra is a von Neumann algebra in which every isometry is a unitary. In other words, for an operator V in a finite von Neumann algebra if \displaystyle{ V^*V = I }[/math], then \displaystyle ... [86%] 2023-02-17 [Linear algebra] [Von Neumann algebras]...
Abelian von Neumann algebra: In functional analysis, a branch of mathematics, an abelian von Neumann algebra is a von Neumann algebra of operators on a Hilbert space in which all elements commute. The prototypical example of an abelian von Neumann algebra is the algebra ... [86%] 2024-12-12 [Von Neumann algebras]
Von Neumann (crater): Von Neumann is a lunar impact crater that lies on the far side of the Moon, in the northern hemisphere, named after polymath John von Neumann. It is nearly attached to the south-southeastern rim of the walled plain Campbell. (Crater) [83%] 2023-12-16 [Impact craters on the Moon]
Algebraic algebra: An algebra with associative powers (in particular, an associative algebra) over a field in which all elements are algebraic: an element $a$ of the algebra $A$ is called algebraic over the field $F$ if the subalgebra $F$ generated by $a ... (Mathematics) [73%] 2023-10-13
Neumann (crater): Neumann is a crater on Mercury. It has a diameter of 120 kilometers. (Crater) [69%] 2024-01-03 [Impact craters on Mercury]
Arquitectura Von Neumann: La arquitectura von Neumann, también conocida como modelo de von Neumann o arquitectura Princeton, es una arquitectura de computadoras basada en la descrita en 1945 por el matemático y físico John von Neumann y otros, en el primer borrador de ... [67%] 2023-05-26
Von Neumann architecture: The von Neumann architecture—also known as the von Neumann model or Princeton architecture—is a computer architecture based on a 1945 description by John von Neumann, and by others, in the First Draft of a Report on the EDVAC ... (Computer architecture where code and data share a common bus) [67%] 2023-12-04 [Computer architecture] [Classes of computers]...
Von Neumann neighborhood: In cellular automata, the von Neumann neighborhood (or 4-neighborhood) is classically defined on a two-dimensional square lattice and is composed of a central cell and its four adjacent cells. The neighborhood is named after John von Neumann, who ... (Cellular automaton neighborhood consisting of four adjacent cells) [67%] 2023-12-16 [Cellular automata]
John von Neumann: John von Neumann (1903-1957) was perhaps the most brilliant man of the 20th century, based on his remarkable achievements and impressions by other smart people who knew him. He could recite by memory entire books that he had read ... [67%] 2023-03-06 [Mathematicians] [Hungarian People]...
John von Neumann: John von Neumann December 28 1903(1903-12-28) Budapest, Austria-Hungary Washington, D.C., United States John von Neumann (Hungarian Margittai Neumann János Lajos) (December 28, 1903 – February 8, 1957) was a mathematician who made contributions to quantum physics ... [67%] 2023-02-03
Von Neumann entropy: where \displaystyle{ \operatorname{tr} }[/math] denotes the trace and ln denotes the (natural) matrix logarithm. If the density matrix ρ is written in a basis of its eigenvectors \displaystyle{ |1\rangle, |2\rangle, |3\rangle, \dots }[/math] as then the von ... (Physics) [67%] 2023-12-16 [Quantum mechanical entropy]
Monica von Neumann: Monica Ann Neumann von Héthárs, also known as Baroness Monica von Neumann, (née Ford; 15 June 1964 – 5 March 2019), was an American socialite, philanthropist, and businesswoman. She worked as a fashion model and dancer before marrying John Neumann Ritter ... (American socialite (1964–2019)) [67%] 2023-12-19 [1964 births] [2019 deaths]...
John von Neumann: John von Neumann (/vɒn ˈnɔɪmən/ von NOY-mən; Hungarian: Neumann János Lajos [ˈnɒjmɒn ˈjaːnoʃ ˈlɒjoʃ]; December 28, 1903 – February 8, 1957) was a Hungarian-American mathematician, physicist, computer scientist, engineer and polymath. He had perhaps the widest coverage of any mathematician of ... (Hungarian-American mathematician and physicist (1903–1957)) [67%] 2024-01-11 [John von Neumann] [1903 births]...
Angela von Neumann: Angela von Neumann Ulbricht (1928–2010) was a German American artist from Wisconsin who lived much of her life in Majorca. She graduated from the Art Institute of Chicago, where she met her husband, but had strong ties to her ... (American artist (1928 - 2010)) [67%] 2023-12-16 [1928 births] [2010 deaths]...
Von Neumann conjecture: In mathematics, the von Neumann conjecture stated that a group G is non-amenable if and only if G contains a subgroup that is a free group on two generators. The conjecture was disproved in 1980. [67%] 2023-09-14 [Topological groups] [Geometric group theory]...
Philipp von Neumann: Baron Philipp von Neumann (German: Philipp Roger Franz Freiherr von Neumann; English: Philipp Roger Francis Baron de Neumann; 4 December 1781 – 14 January 1851) was an Austrian diplomat. Neumann was born in Brussels (then in the Austrian Netherlands), the son ... [67%] 2023-12-19 [1781 births] [1851 deaths]...
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