期刊文献+

幂等元积与差的群可逆性

Group invertiblility of product and difference of two idempotents
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摘要 设U为具有单位元I的Banach代数,P,Q为其上的幂等元.给出P-Q,PQ,PQ-QP为群逆的等价刻画. Let P and Q be idempotents on the Banach algebra U with unit I.In this paper,the group invertibility of P-Q,PQ,PQ-QP was studied.
作者 林育山
机构地区 福州工业学校
出处 《宁德师范学院学报(自然科学版)》 2012年第2期126-128,134,共4页 Journal of Ningde Normal University(Natural Science)
关键词 幂等元 群逆 积与差 idempotents group inverse product and difference
  • 相关文献

参考文献7

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二级参考文献6

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