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THIS MAGAZINE FEATURES SOME OF THE HOTTEST INDEPENDENT ARTIST AND LABELS AROUND THE WORLD..

THIS BOOK COTAINS A SET OF 3 MAGAZINES PRINTED BY THE INDEPENDENT VIEW NEWS MAGAZINE. WE FEATURE AND PROMOTE THE BEST INDEPENDENT, UNDERGROUND, UNSIGNED ARTIST AROUND THE WORLD.

The authors examine the semicrossed products of a semigroup action by $*$-endomorphisms on a C*-algebra, or more generally of an action on an arbitrary operator algebra by completely contractive endomorphisms. The choice of allowable representations affects the corresponding universal algebra. The authors seek quite general conditions which will allow them to show that the C*-envelope of the semicrossed product is (a full corner of) a crossed product of an auxiliary C*-algebra by a group action. Their analysis concerns a case-by-case dilation theory on covariant pairs. In the process we...