commutator

commutator englannista suomeksi

1. kommutaattori

0. Substantiivi

1. virrankäännin, kommutaattori

1. Verbi

commutator englanniksi

1. An electrical switch, in a generator or motor, that periodically reverses the direction of an current.

(syn)

2. A binary map in a given group ''G'', given by ''g, h'' = ''ghg−1h−1'', where ''g'' and ''h'' are elements of ''G'', which yields the group's identity if and only if the group operation commutes for ''g'' and ''h''.

3. A binary map in a given ring ''R'', given by ''a, b'' = ''ab − ba'', where ''a'' and ''b'' are elements of ''R'', which yields the ring's zero element if and only if the multiplication operation commutes for ''a'' and ''b''.

4. (inflection of)