罗迪克、费德勒、亨曼、费什,还有张德培,如果你是他们的球迷,一定也非常熟悉他们的装备。他们当中,许多人用的是性能卓越的混合穿弦球拍,拥有更多的力量和更小的震动伤害;他们,有些人凭借仅重315克的Babolat Pure Drive Team+就能在赛...罗迪克、费德勒、亨曼、费什,还有张德培,如果你是他们的球迷,一定也非常熟悉他们的装备。他们当中,许多人用的是性能卓越的混合穿弦球拍,拥有更多的力量和更小的震动伤害;他们,有些人凭借仅重315克的Babolat Pure Drive Team+就能在赛场上四两拨千斤;他们,还有人用加长至71厘米的 Prince Tour NXGraphite MP展开更多
一、概述我所研制的 LN68B00是仿照莫托洛拉公司 MC68B00的逻辑结构,并根据我们的具体条件设计的。它的功能、管脚排列与MC68B00完全一致,可以互换使用。LN68B00是 DJS—062系列微型计算机中央处理单元 B 档产品。采用 N 沟硅栅等平面 E...一、概述我所研制的 LN68B00是仿照莫托洛拉公司 MC68B00的逻辑结构,并根据我们的具体条件设计的。它的功能、管脚排列与MC68B00完全一致,可以互换使用。LN68B00是 DJS—062系列微型计算机中央处理单元 B 档产品。采用 N 沟硅栅等平面 E/D MOS 工艺。展开更多
For a field $\mathbb{F}$ of characteristic zero and an additive subgroup G of $\mathbb{F}$ , a Lie algebra B(G) of the Block type is defined with the basis {L α,i , c | α ∈ G ?1 ≤ i ∈ ?} and the relations [L α,i...For a field $\mathbb{F}$ of characteristic zero and an additive subgroup G of $\mathbb{F}$ , a Lie algebra B(G) of the Block type is defined with the basis {L α,i , c | α ∈ G ?1 ≤ i ∈ ?} and the relations [L α,i , L β,j ] = ((i + 1)β ? (j + 1)α)L α+β,i+j + αδ α, ?β δ i+j,?2 c, [c, L α,i ] = 0. Given a total order ? on G compatible with its group structure, and any Λ ∈ B(G) 0 * , a Verma B(G)-module M(Λ, ?) is defined, and the irreducibility of M(Λ, ?) is completely determined. Furthermore, it is proved that an irreducible highest weight B(?)-module is quasifinite if and only if it is a proper quotient of a Verma module.展开更多
In this paper, the Harish-Chandra modules and Verma modules over Block algebra $ \mathfrak{L} $ [G] are investigated. More precisely, the irreducibility of the Verma modules over $ \mathfrak{L} $ [G] is completely det...In this paper, the Harish-Chandra modules and Verma modules over Block algebra $ \mathfrak{L} $ [G] are investigated. More precisely, the irreducibility of the Verma modules over $ \mathfrak{L} $ [G] is completely determined, and the Harish-Chandra modules over $ \mathfrak{L} $ [?] are classified.展开更多
文摘罗迪克、费德勒、亨曼、费什,还有张德培,如果你是他们的球迷,一定也非常熟悉他们的装备。他们当中,许多人用的是性能卓越的混合穿弦球拍,拥有更多的力量和更小的震动伤害;他们,有些人凭借仅重315克的Babolat Pure Drive Team+就能在赛场上四两拨千斤;他们,还有人用加长至71厘米的 Prince Tour NXGraphite MP
基金This work was supported by the National Natural Science Foundation of China (Grant No. 10471096) and One Hundred Talents Program from University of Science and Technology of China
文摘For a field $\mathbb{F}$ of characteristic zero and an additive subgroup G of $\mathbb{F}$ , a Lie algebra B(G) of the Block type is defined with the basis {L α,i , c | α ∈ G ?1 ≤ i ∈ ?} and the relations [L α,i , L β,j ] = ((i + 1)β ? (j + 1)α)L α+β,i+j + αδ α, ?β δ i+j,?2 c, [c, L α,i ] = 0. Given a total order ? on G compatible with its group structure, and any Λ ∈ B(G) 0 * , a Verma B(G)-module M(Λ, ?) is defined, and the irreducibility of M(Λ, ?) is completely determined. Furthermore, it is proved that an irreducible highest weight B(?)-module is quasifinite if and only if it is a proper quotient of a Verma module.
基金supported by the Research Foundation for Postdoctor Programmethe National NaturalScience Foundation of China (Grant No. 10601057)
文摘In this paper, the Harish-Chandra modules and Verma modules over Block algebra $ \mathfrak{L} $ [G] are investigated. More precisely, the irreducibility of the Verma modules over $ \mathfrak{L} $ [G] is completely determined, and the Harish-Chandra modules over $ \mathfrak{L} $ [?] are classified.
