functional analysis there are several standard topologies which are given to the algebra B(X) of bounded linear operators on a Banach space X. Let ( T n ) n ∈ N...
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common topologies on B ( H ) {\displaystyle B(H)} , the bounded operators on a Hilbert space H {\displaystyle H} . The strong operator topology, or SOT...
9 KB (1,634 words) - 05:25, 29 November 2024
mathematics, the strong operator topology, often abbreviated SOT, is the locally convex topology on the set of bounded operators on a Hilbert space H induced...
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The following is a list of named topologies or topological spaces, many of which are counterexamples in topology and related branches of mathematics....
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mathematics, weak topology is an alternative term for certain initial topologies, often on topological vector spaces or spaces of linear operators, for instance...
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Von Neumann bicommutant theorem (category Operator theory)
topologies on the space of bounded operators, and one can ask what are the *-algebras closed in these topologies. If M is closed in the norm topology...
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compact in both topologies. The ultraweak topology is stronger than the weak operator topology. One problem with the weak operator topology is that the dual...
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linear operators or closed operators, and consideration may be given to nonlinear operators. The study, which depends heavily on the topology of function...
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mechanics – Formulation of quantum mechanics Topologies on the set of operators on a Hilbert space Vertex operator algebra – Algebra used in 2D conformal field...
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variety of topologies. Studying space of linear maps and these topologies can give insight into the spaces themselves. The article operator topologies discusses...
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possible topologies. See topologies on the set of operators on a Hilbert space for some intricate relationships. All possible polar topologies on a dual...
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other topologies rather than the standard one: If X {\displaystyle X} is the real numbers R {\displaystyle \mathbb {R} } with the lower limit topology, then...
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Von Neumann algebra (redirect from Operator ring)
many other common topologies including the strong, ultrastrong or ultraweak operator topologies. The *-algebras of bounded operators that are closed in...
42 KB (5,917 words) - 00:42, 7 April 2025
a strong topology is a topology which is stronger than some other "default" topology. This term is used to describe different topologies depending on...
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referred to such topologies as Alexandrov topologies. F. G. Arenas independently proposed this name for the general version of these topologies. McCord also...
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which prevents confusion with the "closure operators" studied in topology. E. H. Moore studied closure operators in his 1910 Introduction to a form of general...
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redirect targets Operator algebra – Branch of functional analysis Operator theory – Mathematical field of study Topologies on the set of operators on a Hilbert...
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density Topologies on the set of operators on a Hilbert space norm topology ultrastrong topology strong operator topology weak operator topology weak-star...
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set the strong operator and ultrastrong topologies are the same. The ultrastrong topology is stronger than the strong operator topology. One problem with...
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unitary operators on H. Then the operator 1 T ∫ 0 T U t d t {\displaystyle {\frac {1}{T}}\int _{0}^{T}U_{t}\,dt} converges in the strong operator topology as...
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the closure of finite-rank operators (representable by finite-dimensional matrices) in the topology induced by the operator norm. As such, results from...
29 KB (4,868 words) - 23:46, 14 December 2024
Hilbert space (category Operator theory)
with a topology defined by convex open sets Operator theory – Mathematical field of study Operator topologies – Topologies on the set of operators on a...
128 KB (17,475 words) - 22:03, 19 March 2025
C0-semigroup (redirect from Operator semigroup)
semigroup (R+, +) on some Banach space X that is continuous in the strong operator topology. A strongly continuous semigroup on a Banach space X {\displaystyle...
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space H, the compact operators are the closure of the finite rank operators in the uniform operator topology. In general, operators on infinite-dimensional...
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can put other topologies rather than the standard one. If X = R {\displaystyle X=\mathbb {R} } is endowed with the lower limit topology, then cl X (...
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generates the topology T. Bases are useful because many properties of topologies can be reduced to statements about a base that generates that topology—and because...
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Topological space (redirect from Topology (structure))
\}\cup \Gamma } is a topology on X . {\displaystyle X.} Many sets of linear operators in functional analysis are endowed with topologies that are defined...
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space definition of weak convergence. Dual topology Operator topologies – topologies on the set of operators on a Hilbert space "redirect". dept.math.lsa...
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preserve the weak operator topology. As it turns out (and follows easily from the definitions), for algebras L∞(X, μ), the following topologies agree on norm...
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closure of S. Closure operator See Kuratowski closure axioms. Coarser topology If X is a set, and if T1 and T2 are topologies on X, then T1 is coarser...
55 KB (7,693 words) - 07:57, 22 February 2025