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commutator
(redirected from Commutation relation)

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commutator

Device in a DC (direct-current) electric motor that reverses the current flowing in the armature coils as the armature rotates.

A DC generator, or dynamo, uses a commutator to convert the AC (alternating current) generated in the armature coils into DC. A commutator consists of opposite pairs of conductors insulated from one another, and contact to an external circuit is provided by carbon or metal brushes.
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The articles include Karasev's "Noncommutative Algebras, Nanostructures, and Quantum Dynamics Generated by Resonances," Karasev and Novikova's "Algebras with Polynomial Commutation Relations for a Quantum Particle in Electric and Magnetic Fields," Vorobjjev's "Poisson Structures and Linear Euler Systems over Symplectic Manifolds," and also his "Poisson Equivalence over a Symplectic Leaf.
Quantum algebras and poisson geometry in mathematical physics by SciTech Book News
 
 
 
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