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- In the paper, we consider 2-cocycles on an infinite-dimensional Lie algebra L. We obtain all of the 2-cocycles on this Lie algebra and further determine its second cohomology group. 摘要考慮了一類(lèi)無(wú)限維李代數L的二上圈。通過(guò)計算，得到了此類(lèi)李代數的所有的二上圈，從而確定了L的二上同調群。
- cup product of the cohomology group 上同調群的的上積
- cohomology group with coefficients g 有系數g的上同島
- REDUCIBILITY OF COHOMOLOGY GROUP OF A LINE BUNDLE ON G/B (G BE OF TYPE A_2) 射影簇G/B(G為A_2型)上線(xiàn)叢的上同調群的可約性
- Education should not be restricted to any one specific age group. 教育不應限制在任何特定的年齡組上。
- HOMOTOPY GROUPS AND CUP PRODUCT OF COHOMOLOGY GROUPS 同倫群和上同調群的上乘積
- He broke away from that lawless group years ago. 他在幾年前脫離了那個(gè)非法團體。
- On the homology and cohomology groups of associative sup eralgebras 結合代數的同調與上同調
- COMPOSITION FACTORS OF COHOMOLOGY GROUPS FOR QUANTUM GROUPS 量子群上同調群的合成因子
- The group of barbaric soldiers killed many people. 那群野蠻的士兵殺了很多人。
- The group was made up of doctors. 這個(gè)團體是由醫生組成的。
- A group of boys dashed out of the classroom. 一群男孩子從教室里沖出來(lái)。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他經(jīng)常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是這個(gè)小組中最活躍的年輕人。
- He showed me a photo of a family group. 他給我看一張合家歡的照片。
- The chief accountant of a manufacturing group. 一個(gè)制造業(yè)集團的總會(huì )計師。
- The hunting group had good sport today. 今天打獵小組滿(mǎn)載而歸。
- I stand out in a group interview. 在集體面試中脫穎而出。
- He looked around the small group of mourners. 他環(huán)顧一下那一小群的送葬者。
