Titlebook: Mathematical Foundations of Computer Science 1988; 13th Symposium Carls Michal P. Chytil,Václav Koubek,Ladislav Janiga Conference proceedin

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Probabilistic automata complexity of languages depends on language structure and error probability,probability of recognition. It is shown that for languages which are "rich" with formulated property a new lower bound of probabilistic complexity is more precise than that of Rabin‘s lower bound. In addition with the help of a new lower bound we improve the hierarchy of complexity of probabilistic

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Distribution of Sequential Processes,y equivalent concurrent processes? The models of systems are finite automata in the non-distributed case and some collection of finite automata with synchronization in the distributed case. The concurrency criterion is commutativity.

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Automata and rational expressions on planar graphs,f letters and pdags on a doubly ranked alphabet. Our purpose is to introduce an algorithmic process (generalization of Kamimura and Slutzki‘s parallel automata) for accepting pdag languages and a specification of these languages by means of well-suited rational expressions. So our main result is a K

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Angiogenesis in diabetic retinopathy: a history of accomplishment, discovery and promise,itreous and aqueous fluid samples of patients with active proliferative diabetic retinopathy but low in control patients and in diabetic subjects without retinopathy. A fascinating and promising approach, based on altering the molecular biology of retinal cells, to blunting proliferative diabetic re