PETRI AUTOMATA

Petri Automata

Kleene algebra axioms tourettebrewing.com are complete with respect to both language models and binary relation models.In particular, two regular expressions recognise the same language if and only if they are universally equivalent in the model of binary relations.We consider Kleene allegories, i.e., Kleene algebras with two additional operations

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Functional Cerebral Venous Anatomy from the Viewpoint of Venous Collaterals Part I, Supratentorial Superficial and Deep Venous System

Abstract Supratentorial veins are divided into superficial and deep venous systems.Most superficial veins drain into the superior sagittal sinus, cavernous sinus, transverse sinus, and inferior sagittal sinuses.Most deep veins wella color touch 77 45 drain into the internal cerebral vein, and some drain into the basal vein of Rosenthal, which head

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