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1)  P-coherent ring
P-凝聚环
1.
Moreover,we introduce the concept of P-coherent rings.
并推广了左凝聚环的概念,引入了左P-凝聚环的概念,最后也用P-平坦模和P-内射模来刻画了左P-凝聚环
2)  coherent rings
Π-凝聚环
1.
In this paper, the tilting theorem is generalized to the finitely generated torsionless module categories overπ coherent rings and relate this theory to duality theory.
本文建立了 π-凝聚环上有限生成无挠模范畴的 Tilting定理及相关的广义Morita对偶。
3)  Πcoherent ring
Ⅱ-凝聚环
4)  strongly coherent
强凝聚环
1.
This paper discussed the direct product and direct limitof left f-projective R-modules and proved that the direct product ofleft f-projective R-modules is left f-projective R-modules if and onlyif R is right strongly coherent.
该文讨论了f-投射模的直积和正向极限,证明了f-投射左R-模的直积是f-投射模的充要条件为R是右强凝聚环。
5)  Simple Coherent Ring
单凝聚环
6)  coherent rings
凝聚环
1.
In this paper we mainly discuss the relations of dual modules and FP-selfinjective dimension over coherent ring and give an equivalent charaction of coherent rings with finite FP-selfinjective dimensionat most n(n≥2).
文章讨论了Wn-模与对偶正合列的性质和关系,且给出了它们在讨论凝聚环上的有限表现模时的一些应用,所得结果推广了文献《非交换凝聚环上的FP-自内射维数》[5]等所得的结果。
2.
In this paper, we mainly discuss the relations and the properties of Wn-modules and dual exact sequences, and give some applications on the finitely presented modules over coherent rings.
本文讨论了Wn-模与对偶正合列的性质和关系,且给出了它们在讨论凝聚环上的有限表现模时的一些应用。
3.
In this paper,we mainly discuss some relative properties of FG-injective modules and FP-injective modules,research emphasizely their properties in coherent rings and FG-IF rings.
本文主要讨论了FG-内射模与FP-内射模的一些相关性质,重点研究了FG-内射模在凝聚环、FG-IF环上的性质,同时也给出了二者之间的关系,即FG-内射模是FP-内射模,并且二者在Noether环上彼此等价,都等价于内射模。
补充资料:BCS凝聚能(BCScondensationenergy)
BCS凝聚能(BCScondensationenergy)

一般将T=0K时的超导基态能量Es(0)与正常态费米球分布能量En(0)之差称BCS凝聚能。由BCS理论给出:

Es(0)-En(0)=-N(0)Δ2(0)/2

由此可知,Es(0)<En(0),能隙2Δ(0)的出现,系统将从正常态转入超导态而发生超导相变。

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