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unipotent adj.1.只能向一個方向發展的,只有一個結果的。2.【...

unique

In the first part . firstly we introduce a new class of semigroup s called r - unipotent e - inversive seniigroup . serondly we describe the strong congruences on s in terms of their kernels and traces . ve prove that a strong congruence on s can present a strong congruence pair : conversely . a strong congruence pair on s can determine a strong congruence 接著用“核-跡”方法研究s上的強同余,即證明s上的任一強同余,可以決定s的一個強同余對,反之s的任一強同余對,可以決定s上的一個強同余。

Gomes described the r - unipotent congruence on a regular semigroup s by means of its kernal and hyper - trace . in this paper , we describe the r - semiprime r - unipotent congruence and the r - semiprime e - left normal congruence on a strong - regular semigroup Gomes利用同余的核與超跡描述了正則半群上的r -冪同余,但在更廣義的半群上還沒有這方面的討論。

Commutative unipotent algebraic group 交換冪幺代數群