Microsoft Excel is a versatile software program that allows you to create a variety of documents, images and charts. Create a linear scale in Excel to display the measurements of a map, drawing or ...

There exists a noninjective commutative C*-algebra A such that every bounded linear map of any C*-algebra into A is decomposed as a linear combination of positive linear maps. Founded in 1888, to ...

Sze-Kai J. Tsui, Decompositions of Linear Maps, Transactions of the American Mathematical Society, Vol. 230 (Jun., 1977), pp. 87-112 ...