Results 21 to 30 of about 9,128,034 (234)
Aperiodicity, Star-freeness, and First-order Logic Definability of Operator Precedence Languages [PDF]
A classic result in formal language theory is the equivalence among non-counting, or aperiodic, regular languages, and languages defined through star-free regular expressions, or first-order logic.
Dino Mandrioli +2 more
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Group Theory of Syntactical Freedom in DNA Transcription and Genome Decoding
Transcription factors (TFs) are proteins that recognize specific DNA fragments in order to decode the genome and ensure its optimal functioning. TFs work at the local and global scales by specifying cell type, cell growth and death, cell migration ...
Michel Planat +5 more
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The Curled Up Dimension in Quasicrystals
Most quasicrystals can be generated by the cut-and-project method from higher dimensional parent lattices. In doing so they lose the periodic order their parent lattice possess, replaced with aperiodic order, due to the irrationality of the projection ...
Fang Fang, Richard Clawson, Klee Irwin
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Logical and Algebraic Characterizations of Rational Transductions [PDF]
Rational word languages can be defined by several equivalent means: finite state automata, rational expressions, finite congruences, or monadic second-order (MSO) logic.
Emmanuel Filiot +2 more
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The stability problem for the calculation of parameters of the second order damping aperiodic processes is considered. The numerical method of the second order aperiodic process parameters determination, based on iterative procedure of difference equation
Vladimir E Zoteev
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Fractal and Statistical Phenomena in Aperiodic Order
In this work, we study (primitive) inflation systems arising from substitutions and tiling rules, in particular their statistical properties and several fractal phenomena appearing while describing them. We provide a careful analysis of one-dimensional unimodular Pisot substitutions and show a dichotomy result for their corresponding windows in model
Mazáč, Jan ; https://orcid.org/
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This article provides a brief introductory account of the theory of aperiodic order.
Baake, Michael +2 more
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Broadband Mid-IR superabsorption with aperiodic polaritonic photonic crystals [PDF]
We propose an approach for broadband near-perfect absorption with aperiodic-polaritonic photonic crystals (PCs) operating in the phonon-polariton gap of the constituent material.
Devarapu G. C. R., Foteinopoulou S.
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The problem of adaptive aperiodic intermittent synchronization scheme is studied for inertial memristive delayed neural networks by using a piecewise Lyapunov function in this article.
Mei Liu +3 more
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Hexagonal Inflation Tilings and Planar Monotiles [PDF]
Baake M, Gähler F, Grimm U. Hexagonal Inflation Tilings and Planar Monotiles. Symmetry. 2012;4(4):581-602.Aperiodic tilings with a small number of prototiles are of particular interest, both theoretically and for applications in crystallography.
Uwe Grimm +6 more
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