in this paper, our focus of attention is the proper propagationof fuzzy degrees in determinization of $nondeterministic$ $fuzzy$$finite$ $tree$ $automata$ (nffta). initially, two determinizationmethods are introduced which have some limitations (one inbehavior preserving and other in type of fuzzy operations). inorder to eliminate these limitations and increasing theefficiency of ffta, we defin...

with up to 400 million affected people worldwide, chronic hepatitis b virus (hbv) infection is still a major health care problem. during the last decade, several novel therapeutic approaches have been developed and evaluated. in most regions of the world, interferon-α (ifn-α), and nucleos(t)ide analogues are currently approved. despite major improvements, none of the existing therapies is optim...