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factor ring 【數學】商環。

factorage

The main results are listed in the following : it is proved that the ring consisting of all block circulant matrices over a field is isomorphic to a factor ring of a polynomial ring in multivariables over the same field 具體內容如下: ?證明了域上的所有塊循環矩陣組成的環同構于其上的多元多項式環的一個商環。