Schur multiplier

（重定向自Stem extension）

A projective representation of G can be pulled back to a linear representation of a central extension C of G.

In mathematical group theory, the Schur multiplier or Schur multiplicator is the second homology group H₂(G, Z) of a group G. It was introduced by IssaiSchur (1904) in his work on projective representations.

单词	Stem extension
释义	Stem extension 英语百科 Schur multiplier （重定向自Stem extension） In mathematical group theory, the Schur multiplier or Schur multiplicator is the second homology group H₂(G, Z) of a group G. It was introduced by IssaiSchur (1904) in his work on projective representations.
随便看	hazardous waste operator的意思 Hazardous Waste,Radioactive的意思 Hazardous Wastes的意思 Hazardous Waste Site的意思 Hazardous Waste Sites的意思 Hazardous Wastes,Radioactive的意思 hazardous weather message的意思 hazardous weather warning的意思 hazardous zone 0的意思 hazardous zone 1的意思 hazardous zone 2的意思 hazard pay的意思 hazard plot的意思 hazard potential的意思 hazard prediction的意思 Hazard Prevention的意思 hazard profile的意思 hazardproof的意思 hazard property的意思 Hazard rate的意思 hazard rate distribution的意思 hazard rating的意思 Hazard ratio的意思 hazard ratio for death的意思 hazard recognition的意思