单词 | subinvariant |
释义 | subinvariant/ˌsʌbɪnˈvɛːrɪənt/Mathematics noun A semi-invariant of a binary quantic of arbitrary or unspecified degree. Now historical. adjective Having the property of belonging to a finite series of subgroups each of which is a normal subgroup of the following subgroup, but not a normal subgroup of the group that is the last term of the series; designating a subgroup of such a series.
OriginLate 19th century; earliest use found in James Joseph Sylvester (1814–1897), mathematician. From sub- + invariant. |
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