direct sum

基本解釋

When a direct sum of lifting modules is lifting is studied here.
研究了提升模的任意直和在什么條件下仍是提升模。
The definition of similar quasi-direct sum of matrix is introduced. Andthe connection with group inverse is discussed. Some properties and applications are obtained.
首先引入矩陣的相似準(zhǔn)直和的定義，討論了它和群逆的關(guān)系，得到了一些性質(zhì)和應(yīng)用．。
In this paper, we have discussed root subspace decomposition of linear space, and for the linear space have decomposed direct sum of root subspace , a primary proof is given.
文章討論了線性空間的根子空間分解，并對線性空間分解成根子空間的直和給出了較為初等的證明。

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