Evgeni Dimitrov

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This research paper investigates and evaluates the currently available process models for software development with respect to representation of software performance engineering (SPE) tasks. The deficits identified point to the need to expand existing process models to include this task. On the basis of an process model for object-oriented development, a so(More)
Parathyroid hormone receptor 2 (PTH2R) and its ligand, tuberoinfundibular peptide of 39 residues (TIP39) constitute a neuromodulator system implicated in endocrine and nociceptive regulation. We now describe the presence and distribution of the PTH2R and TIP39 in the brain of primates using a range of tissues and ages from macaque and human brain. In situ(More)
In this paper extended Petri Nets, SDL Time Nets, are introduced and used as means to analyze and verify SDL'92 speciications. The extensions include an association of data structure with some net places and attachement of preconditions (guard functions) and time ring intervals to net transitions. With the help of these nets it is possible to describe(More)
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1. Effects of the enkephalins Met-enk (M) and Leu-enk (L), of two newly synthesized analogues--[Cys-(O2NH2)]2-Met-enk (CM) and [Cys-(O2NH2)]2-Leu-enk (CL)--and of a hexapeptide--D-Ala2-Leu5-Arg6 (Dalargin; DL) on the spontaneous and electrically stimulated activity were examined with respect to their selectivity for the mu opioid receptors in the(More)
We consider a multilevel continuous time Markov chain X(s; N) = (X j i (s; N) : 1 ≤ i ≤ j ≤ N), which is defined by means of Jack symmetric functions. The process X(s; N) describes a certain discrete interlacing particle system with local push/block interactions between the particles, which preserve the interlacing property. We study the joint asymptotic(More)