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In this paper a survey on existing algorithms for the capacitated minimum spanning tree problem (CMST) is given. The algorithms are classiied providing some insights into their fundamental principles. Reporting the literature, comparisons of the solution quality are given. As one result of the exploration it is observed that heuristic procedures for the(More)
A functional expansion was used to model the relationship between a Gaussian white noise stimulus current and the resulting action potential output in the single sensory neuron of the cockroach femoral tactile spine. A new precise procedure was used to measure the kernels of the functional expansion. Very similar kernel estimates were obtained from separate(More)
The aim of the present study was to evaluate the expression of hedgehog (Hh) signaling molecules and the chemotactic activity of Sonic hedgehog (Shh) in monocytes from control (CTR) and diabetic patients with or without coronary artery disease (CAD). Previously several studies demonstrated that exogenous administration of Shh can induce angiogenesis and(More)
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