Papers by Robbert Beukema
Quality and Reliability Engineering International, 2002
The notion of Gelfand triples is applied to interpret mathe- matically a family of phase-space re... more The notion of Gelfand triples is applied to interpret mathe- matically a family of phase-space representations of quantum mechanics interpolating between the Wigner and Husimi representations. Gelfand triples of operators on Hilbert space, and Gelfand triples of functions on phase-space are introduced in order to get isomorphic correspondences between operators and their phase-space representations. The phase- space Gelfand triples are characterized by means of growth conditions on the analytic continuation of the functions. We give integral expressions for the sesquilinear forms belonging to the phase-space Gelfand triples. This provides mathematically rigorous phase-space analogues for quan- tum mechanical expectation values of bounded operators.
Afsluitend kunnen we concluderen dat het direct laserstructureren in alle laserschrijfregimes van... more Afsluitend kunnen we concluderen dat het direct laserstructureren in alle laserschrijfregimes van functionele polymeren voor vloeibare kristaluitlijning resulteert in patronen die niet toegankelijk zijn met andere vloeibare kristaluitlijningstechnieken. De gepatroneerde polymeren kunnen overwogen worden voor toepassing in nieuwe ontwerpen van elektro-optische componenten en apparaten voor display-en beveiligingstoepassingen voor documenten en credit cards.

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Papers by Robbert Beukema