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Relevant bibliographies by topics / Generalized star-height

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Academic literature on the topic 'Generalized star-height'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Generalized star-height"

1

Pin, J. E., H. Straubing, and D. Thérien. "Some results on the generalized star-height problem." Information and Computation 101, no. 2 (1992): 219–50. http://dx.doi.org/10.1016/0890-5401(92)90063-l.

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2

Robson, J. M. "More languages of generalised star height 1." Theoretical Computer Science 106, no. 2 (1992): 327–35. http://dx.doi.org/10.1016/0304-3975(92)90255-e.

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3

Struck, Curtis, and Bruce G. Elmegreen. "Power-law Sérsic profiles in hydrostatic stellar galaxy discs." Monthly Notices of the Royal Astronomical Society 489, no. 4 (2019): 5919–27. http://dx.doi.org/10.1093/mnras/stz2555.

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ABSTRACT Previously, we showed that surface density profiles of the form of a power-law times a Sérsic function satisfy the hydrostatic Jeans equations, a variety of observational constraints, and the condition of a minimal radial entropy profile in two-dimensional galaxy discs with fixed power law, halo potentials. It was assumed that such density profiles are generated by star scattering by clumps, waves, or other inhomogeneities. Here, we generalize these models to self-gravitating discs. The cylindrically symmetric Poisson equation imposes strong constraints. Scattering processes favour sm

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E. W. Grafarend. "Field lines of gravity, their curvature and torsion, the Lagrange and the Hamilton equations of the plumbline." Annals of Geophysics 40, no. 5 (1997). http://dx.doi.org/10.4401/ag-3859.

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The length of the gravitational field lines/of the orthogonal trajectories of a family of gravity equipotential surfaces/of the plumbline between a terrestrial topographic point and a point on a reference equipotential surface like the geoid í also known as the orthometric height í plays a central role in Satellite Geodesy as well as in Physical Geodesy. As soon as we determine the geometry of the Earth pointwise by means of a satellite GPS (Global Positioning System: «global problem solver») we are left with the problem of converting ellipsoidal heights (geometric heights) into orthometric he

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Dissertations / Theses on the topic "Generalized star-height"

1

Bourne, Thomas. "Counting subwords and other results related to the generalised star-height problem for regular languages." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/12024.

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The Generalised Star-Height Problem is an open question in the field of formal language theory that concerns a measure of complexity on the class of regular languages; specifically, it asks whether or not there exists an algorithm to determine the generalised star-height of a given regular language. Rather surprisingly, it is not yet known whether there exists a regular language of generalised star-height greater than one. Motivated by a theorem of Thérien, we first take a combinatorial approach to the problem and consider the languages in which every word features a fixed contiguous subword a

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Weis, Philipp P. "Expressiveness and Succinctness of First-Order Logic on Finite Words." 2011. https://scholarworks.umass.edu/open_access_dissertations/407.

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Expressiveness, and more recently, succinctness, are two central concerns of finite model theory and descriptive complexity theory. Succinctness is particularly interesting because it is closely related to the complexity-theoretic trade-off between parallel time and the amount of hardware. We develop new bounds on the expressiveness and succinctness of first-order logic with two variables on finite words, present a related result about the complexity of the satisfiability problem for this logic, and explore a new approach to the generalized star-height problem from the perspective of logical e

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