commutative product 中文意思是什麼
commutative product
解釋
交換積- commutative : adj. 相互的，交互的，（可）交[互]換的。
- product : n. 1. 產物，產品；製品；產量；出產。2. 結果，成果。3. 創作，作品。4. 【化學】生成物；【數學】積，乘積。
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In the first way, the coordinate become operaotrs acting on a hilbert space, which provides for a respresentation space of the noncommutative space, on the other hand, starting with the standard commutative gauge theory action and then reinterpreting any products of fields appearing in terms of the moyal product
從而非對易空間的場量是運算元的函數。另一方面，我們可以從普通空間的規范理論的作用量出發，然後用moyal星乘積來代替普通空間的規范理論中場量的普通乘積。從而給出非對易空間規范理論的作用量。 -
In the second section, we structure a kind of semirings, namely semidirect product of semirings, and prove an isomorphic theorem of semidirect products. in the third section, we give the characterizations of the relations of all kinds of regular semirings and introduce the concept of pseudo - inverse and the necessary and sufficient conditions of pseudo - invertible element. in the fourth section, we define an equivalence relation on the cartersian product of commutative semiring and its multiplicative subset
第二部分，先構造一類半環，半環半直積，然後證明半直積的同構定理第三部分，刻劃了半環各類正則元之間關系，引入偽逆的定義，給出了可偽逆元素的充要條件第四部分，在交換半環和乘法集的卡氏積上定義等價關系，進而構造了一類交換半環：分式半環 -
Two factorization methods of direct product of finite commutative p - groups
具有很多素數階元的有限群 -
Theorem 1. 2. 9 s is a direct product of a normal a - idempotent semiring and a commutative ring with an identity 1, if and only if s is a strong right normal idempotent semiring of a - left rings
Gs是正規人一冪等半環和含么交換環的直積，當且僅當s是a一左環的強右正規冪等半環
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