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math.OA2012
CP-H-Extendable Maps between Hilbert modules and CPH-Semigroups
Michael Skeide, K. Sumesh
One may ask which maps between Hilbert modules allow for a completely positive extension to a map acting block-wise between the associated (extended) linking algebras. In these not…
math.OA2012
Hilbert von Neumann Modules versus Concrete von Neumann Modules
Michael Skeide
Apart from presenting some new insights and results, one of our main purposes is to put some records in the development of von Neumann modules straight. The von Neumann or -ob…