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Automata Arrays and Context-Free Languages [PDF]

open access: yes, 2001
From a biological point of view automata arrays have been employed by John von Neumann in order to solve the logical problem of nontrivial self-reproduction. From a computer scientific point of view they are a model for massively parallel computing systems. Here we are dealing with automata arrays as acceptors for formal languages.
Kutrib, Martin   +1 more
openaire   +3 more sources

Remote Assessment of Ataxia Severity in SCA3 Across Multiple Centers and Time Points

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Spinocerebellar ataxia type 3 (SCA3) is a genetically defined ataxia. The Scale for Assessment and Rating of Ataxia (SARA) is a clinician‐reported outcome that measures ataxia severity at a single time point. In its standard application, SARA fails to capture short‐term fluctuations, limiting its sensitivity in trials.
Marcus Grobe‐Einsler   +20 more
wiley   +1 more source

Morphosyntactic variation in Bantu: The case of Setswana

open access: yesStudies in African Linguistics, 2023
Within the context of microvariation in Bantu, three processes are examined in Setswana – object marking, inversion constructions and diminutive marking.
Nancy Kula, Lutz Marten
doaj  

Applying Length-Dependent Stochastic Context-Free Grammars to RNA Secondary Structure Prediction

open access: yesAlgorithms, 2011
In order to be able to capture effects from co-transcriptional folding, we extend stochastic context-free grammars such that the probability of applying a rule can depend on the length of the subword that is eventually generated from the symbols ...
Frank Weinberg, Markus E. Nebel
doaj   +1 more source

Cracking the Code: Genotype–Phenotype Correlation Models in Sarcoglycanopathies

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Sarcoglycanopathies are among the most severe limb‐girdle muscular dystrophies (LGMD), though milder presentations have been described. These diseases are primarily caused by missense variants, but the limited predictability of their effect on protein maturation, complex formation, and transport has hindered reliable genotype ...
Leonela Luce   +72 more
wiley   +1 more source

Multiple Sclerosis Relapse Activity After Ozanimod Discontinuation in DAYBREAK Trial Participants

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
Multiple Sclerosis Relapse Activity After Ozanimod Discontinuation in DAYBREAK Trial Participants. ABSTRACT Objective Return of disease activity is expected when patients discontinue disease‐modifying therapy (DMT) for multiple sclerosis (MS). Some MS DMTs are associated with higher‐than‐expected disease activity (rebound) after discontinuation.
Ralf Gold   +12 more
wiley   +1 more source

Memory and Resting‐State Connectivity in Acute Transient Global Amnesia: A Case–Control fMRI Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background and Objectives Transient global amnesia (TGA) is a striking model of isolated amnesia. While hippocampal lesions are well described, the network‐level mechanisms and the precise neuropsychological profile remain debated. Our objective was thus to characterize functional and neuropsychological correlates of acute TGA and their ...
Elias El Otmani   +10 more
wiley   +1 more source

On languages of automaton counter machines

open access: yesМоделирование и анализ информационных систем, 2010
Some properties of formal languages (ACML) of automaton counter machines are investigated. We show that a class of these languages is closed with respect to the following operations: union, intersection by regular sets, concatenation, infinite iteration (
E. V. Kuzmin, D. Ju. Chalyy
doaj  

Non-context-free grammars generating context-free languages

open access: yesInformation and Control, 1974
If G is a grammar such that in each non-context-free rule of G, the right side contains a string of terminals longer than any terminal string appearing between two nonterminals in the left side, then the language generated by G is context free. Six previous results follow as corollaries of this theorem.
openaire   +1 more source

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