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Exact lumping of feller semigroups: A $C^{\star}$-algebras approach

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  • In this note we analyze a particular exact lumping of Feller semigroups in the context of $C^{\star}$-algebras, in order to pass from a space of functions defined on a locally compact Hausdorff space ${X}$ to a space of functions defined on a closed subspace ${\mathscr{C}}\subset X$. We want our reduction to preserve the essential properties of the Feller semigroup.
    Mathematics Subject Classification: Primary: 34G10, 46J10, 47D06; Secondary: 34K30.


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