free algebra 中文意思是什麼
free algebra
解釋
自由代數-
Using universal property, we can define general ( pre ) cover and ( pre ) envelope, such as gorenstein injective ( projective or flat ) ( pre ) cover and ( pre ) envelope, 5 - torsion free ( pre ) cover etc. in a word, problems on ( pre ) over and ( pre ) envelope have aroused considerable debate in the academic circle, which embodies flexible use of tools of homological algebra in studying categories of rings and modules
而且利用泛性我們又可定義更廣泛意義上的包、蓋問題，例如： gorenstin內射（平坦、投射）包（蓋） ， s -無撓預蓋，等等。用這類比內射（平坦、投射）更廣泛意義上的特殊模又能刻畫一些環。總之，包、蓋問題是當今非常活躍的研究課題，體現了同調代數在環模範疇研究中靈活運用。 -
Other free texts on subjects including linear algebra and oceanography are also available at globaltext. org
其他學科包括線性代數和海洋學的教科書也可以在網上查到。
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