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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
- The examiners put a premium on rational argument. 評委們對以理服人的論據給以高度評價(jià)。
- HOMOTOPY GROUPS AND CUP PRODUCT OF COHOMOLOGY GROUPS 同倫群和上同調群的上乘積
- 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。
- The quality or condition of being rational. 合理性合乎理性的性質(zhì)或狀態(tài)
- On the homology and cohomology groups of associative sup eralgebras 結合代數的同調與上同調
- No rational person would go to work in his pyjamas. 任何神智正常的人都不會(huì )穿著(zhù)睡衣去上班。
- COMPOSITION FACTORS OF COHOMOLOGY GROUPS FOR QUANTUM GROUPS 量子群上同調群的合成因子
- Do you know who defined man as a rational animal? 你知道是誰(shuí)將人說(shuō)成是有理智的動(dòng)物的?
- He broke away from that lawless group years ago. 他在幾年前脫離了那個(gè)非法團體。
- The group of barbaric soldiers killed many people. 那群野蠻的士兵殺了很多人。
- We'll have to ration out the water. 我們得將水按定額配給。
- The group was made up of doctors. 這個(gè)團體是由醫生組成的。
- They had to ration petrol during the war. 戰時(shí)他們不得不限量供給汽油。
- 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。
