In this note, we give complete descriptions of the structure of the monotone product of two yon Neumann algebras and two C^*-algebras. We show that the monotone product of two simple yon Neumann algebras and C^*-alg...In this note, we give complete descriptions of the structure of the monotone product of two yon Neumann algebras and two C^*-algebras. We show that the monotone product of two simple yon Neumann algebras and C^*-algebras aren't simple again. We also show that the monotone product of two hyperfinite yon Neumann algebras is again hyperfinite and determine the type of the monotone product of two factors.展开更多
Given two nuclear C^*-algebras A1 and A2 with states φ1 and φ2, we show that the monotone product C^*-algebra A1 △→ A2 is still nuclear. Furthermore, if both the states φ1 and φ2 are faithful, then the monoton...Given two nuclear C^*-algebras A1 and A2 with states φ1 and φ2, we show that the monotone product C^*-algebra A1 △→ A2 is still nuclear. Furthermore, if both the states φ1 and φ2 are faithful, then the monotone product ,A1 △→ A2 is nuclear if and only if the C^*-algebras ,A1 and A2 both are nuclear.展开更多
基金the Youth Foundation of Sichuan Education Department(China)(2003B017)the National Natural Science Foundation of China(10301004)
文摘In this note, we give complete descriptions of the structure of the monotone product of two yon Neumann algebras and two C^*-algebras. We show that the monotone product of two simple yon Neumann algebras and C^*-algebras aren't simple again. We also show that the monotone product of two hyperfinite yon Neumann algebras is again hyperfinite and determine the type of the monotone product of two factors.
基金the Youth Foundation of Sichuan Education Department (No.2003B017)the Doctoral Foundation of Chongqing Normal University (No.08XLB013)
文摘Given two nuclear C^*-algebras A1 and A2 with states φ1 and φ2, we show that the monotone product C^*-algebra A1 △→ A2 is still nuclear. Furthermore, if both the states φ1 and φ2 are faithful, then the monotone product ,A1 △→ A2 is nuclear if and only if the C^*-algebras ,A1 and A2 both are nuclear.