The tally-sheet doctor
نویسندگان
چکیده
منابع مشابه
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متن کاملOn tally languages and generalized interacting automata
Devices of interconnected parallel acting sequential automata are investigated from a language theoretic point of view. Starting with the well-known result that each tally language acceptable by a classical one-way cellular automaton (OCA) in real-time has to be a regular language we will answer the three natural questions ‘How much time do we have to provide?’ ‘How much power do we have to plu...
متن کاملBinary models generated by their tally part
We introduce a class of models of the bounded arithmetic theory PVn. These models, which are generated by their tally part, have a curious feature : they have end-extensions or satisfy BΣn only in case they are closed under exponentiation. As an application, we show that if I∆0 + ¬exp BΣ1 then the polynomial hierarchy does not collapse. This paper is concerned with bounded theories of arithmeti...
متن کاملSPARSE reduces conjunctively to TALLY
Polynomials over nite elds are used to show that any sparse set can conjunctively reduce to a tally set. This leads to new results and to simple proofs of known results about various classes that lie between P and P=poly.
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ژورنال
عنوان ژورنال: Journal of the Royal Society of Medicine
سال: 2010
ISSN: 0141-0768,1758-1095
DOI: 10.1258/jrsm.2009.090385