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(n,d)-内射模与Morita对偶 被引量:1

(n,d)-Injective Modules and Morita Duality
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摘要 证明了在Morita对偶之下,自反模是(n,d)-内射的((n,d)-投射的)当且仅当它的Morita偶是(n,d)-投射的((n,d)-内射的),以及右(n,d)-环与左余(n,d)-环,(弱)n-遗传模与(弱)n-余遗传模都是互为对偶的.特别地,自反模是内射的(余遗传的)当且仅当它的偶是(0,0)-投射的(0-遗传的). Under Morita duality, every reflexive module is (n,d)- injective ((n,d)- projective) if and only if its Morita dual is (n,d)-projective ((n,d) -injective) ; right (n,d) -rings and left co- (n, d) -rings, (week) n-hereditary module and (week) n-cohereditary module are Morita dualities. In particular, every reflexive module is injective (cohereditary) if and only if its dual is (0, 0) -projective (0-hereditary).
出处 《福建师范大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第3期1-5,共5页 Journal of Fujian Normal University:Natural Science Edition
基金 福建省教育厅A类科技项目(JA05212) 福建师范大学青年教师科研扶苗基金项目(F029)
关键词 MORITA对偶 (n d)-内射模 (n d)-投射模 Morita duality (n,d) -injective module (n,d) -projective module
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参考文献10

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共引文献7

同被引文献9

  • 1LEE T,ZHOU Y.Modules which are invariant under automorphisms of their injective hulls[J].J Algebra and Its Applications,2013(12):125-159.
  • 2SINGH S,SRIVASTAVA A K.Dual automorphism-invariant modules[J].J Algebra,2012(371):262-275.
  • 3QUYNH T C.KOSAN M T.On automorphism-invariant modules[J].J Algebra and Its Applications,2015(14):1550074.
  • 4ALAHMADI A,ER N,JAIN S K.Modules which are invariant under monomorphisms of their injective hulls[J].J Aust Math Soc,2005,79(3):349-360.
  • 5ASENSIO P A G,KESKIN D,SRIVASTAVA A K.Modules invariant under automorphisms of their covers and envelopes[J].J Mathematics,2015(206):457-482.
  • 6SELVARAJ C,SANTHAKUMAR S.A note on dual automorphism invariant modules[J].J Algebra and Its Applications,2017(16):1750024.
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