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Compiled Java programs may be downloaded from the World Wide Web and be executed on any host platform that implements the Java Virtual Machine (JVM). However, in general it is impossible to check the origin of the code and trust in its correctness. Therefore, standard implementations of the JVM contain a bytecode veriier that statically checks several(More)
Relying on a derivation of the Warren Abstract Machine (WAM) by stepwise reenement of Prolog models by BB orger and Rosen-zweig we present a formalization of an operational semantics for Prolog. Then we develop four reenement steps towards the Warren Abstract Machine (WAM). The correctness and completeness proofs for each step have been elaborated with the(More)
Relying on a derivation of the Warren Abstract Machine (WAM) by s t e p wise reenement of Prolog models by B orger and Rosen-zweig we p r e s e n t a formalization of an operational semantics for Prolog. Then we develop four reenement steps towards the Warren Abstract Machine (WAM). The correctness and completeness proofs for each step have been elaborated(More)
Two formalizations of AVL trees with room for extensions. The first formalization is monolithic and shorter, the second one in two stages, longer and a bit simpler. The final implementation is the same. If you are interested in developing this further, please contact
The photocycle of bacteriorhodopsin (bR) was studied at ambient temperature in aqueous suspensions of purple membranes using time-resolved resonance Raman (RR) and optical transient spectroscopy (OTS). The samples were photolyzed, and the fractional concentrations of the retinylidene chromophore in its parent state, BR570, and in the intermediate states(More)
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