functional analysis, the weak operator topology, often abbreviated WOT, is the weakest topology on the set of bounded operators on a Hilbert space H {\displaystyle...
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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...
22 KB (3,109 words) - 06:37, 25 September 2024
topology.) The σ-weak topology or ultraweak topology or weak-* operator topology or weak-* topology or weak topology or σ(B(H), B(H)*) topology is defined by...
10 KB (1,487 words) - 20:43, 17 June 2024
operator topology if and only if ‖ T i x − T x ‖ → 0 {\displaystyle \|T_{i}x-Tx\|\to 0} for each x in H. The SOT is stronger than the weak operator topology...
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ultraweak topology, also called the weak-* topology, or weak-* operator topology or σ-weak topology, is a topology on B(H), the space of bounded operators on...
3 KB (380 words) - 04:42, 31 January 2024
Von Neumann bicommutant theorem (category Operator theory)
contains its weak operator closure. This follows directly from the weak operator topology being coarser than the strong operator topology: for every point...
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Von Neumann algebra (redirect from Operator ring)
*-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...
42 KB (5,905 words) - 12:32, 27 September 2024
norm bounded sets: The weak operator topology on L∞(X, μ); The ultraweak operator topology on L∞(X, μ); The topology of weak* convergence on L∞(X, μ)...
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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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Then the topology τ1 is said to be a coarser (weaker or smaller) topology than τ2, and τ2 is said to be a finer (stronger or larger) topology than τ1....
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Strong operator topology Topologies on spaces of linear maps Ultrastrong topology Ultraweak topology/weak-* operator topology Weak operator topology Inductive...
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the final topology on the disjoint union the topology arising from a norm the strong operator topology the strong topology (polar topology), which subsumes...
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Terytorialnej, a Polish reserve force Wot, Nepal Wang-an Airport, Taiwan Weak operator topology, in functional analysis Web of Things, objects connected to the...
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C*-algebra (section C*-algebras of operators)
linear operators on a complex Hilbert space with two additional properties: A is a topologically closed set in the norm topology of operators. A is closed...
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the Jordan algebra of self-adjoint operators on a complex Hilbert space that is closed in the weak operator topology. A JBW algebra is a JB algebra that...
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structure. Vertex operator algebra Von Neumann algebra: a *-algebra of operators on a Hilbert space equipped with the weak operator topology. Algebraic structures...
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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 (or smaller, weaker)...
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In topology, an Alexandrov topology is a topology in which the intersection of every family of open sets is open. It is an axiom of topology that the...
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Nest algebra (category Operator theory)
properties. They are non-selfadjoint algebras, are closed in the weak operator topology and are reflexive. Nest algebras are among the simplest examples...
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In other words, the double commutant is the closure of A in the weak operator topology. See also the Kaplansky density theorem in the von Neumann algebra...
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universal representation of a C*-algebra A, the closure of Φ(A) in the weak operator topology is called the enveloping von Neumann algebra of A. It can be identified...
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normed vector space is compact in the weak* topology. A common proof identifies the unit ball with the weak-* topology as a closed subset of a product of...
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calculus has a larger range, that is the closure of C(T) in the weak operator topology, a (still abelian) von Neumann algebra. We can also define the functional...
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Monotonic function (redirect from Monotone function (topology))
f\!\left(y\right)} .) To avoid ambiguity, the terms weakly monotone, weakly increasing and weakly decreasing are often used to refer to non-strict monotonicity...
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Banach space (section Weak topologies)
there is a topology weaker than the weak topology of X ′ , {\displaystyle X^{\prime },} called weak* topology. It is the coarsest topology on X ′ {\displaystyle...
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Ergodic theory (redirect from Weakly ergodic)
converge to the projector ET in the strong operator topology of Lp if 1 ≤ p ≤ ∞, and in the weak operator topology if p = ∞. More is true if 1 < p ≤ ∞ then...
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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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Jordan algebra (section Jordan operator algebras)
realised as Jordan algebras of self-adjoint operators on a Hilbert space closed in the weak operator topology. Of these the spin factors can be constructed...
19 KB (2,496 words) - 01:47, 18 November 2024
C*-subalgebra of bounded operators on HU. The enveloping von Neumann algebra of A is the closure of πU(A) in the weak operator topology. It is sometimes denoted...
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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 (4,841 words) - 12:50, 30 April 2024