Results 31 to 40 of about 65,892 (182)

State-Space Region-Invariance of Discrete-Time Control Systems

open access: yesIEEE Access, 2023
In the paper, the so-called region-invariance properties of discrete-time control systems are considered. An already known notion of positivity of control systems has been generalized (using a kind of geometric insight instead of a pure algebraic ...
Wiktor Malesza, Michal Slawomir Wiraszka
doaj   +1 more source

Polyhedral Analysis using Parametric Objectives [PDF]

open access: yes, 2012
The abstract domain of polyhedra lies at the heart of many program analysis techniques. However, its operations can be expensive, precluding their application to polyhedra that involve many variables.
A. Miné   +21 more
core   +3 more sources

Deforming $||.||_{1}$ into $||.||_{\infty}$ via Polyhedral Norms: A Pedestrian Approach

open access: yesSIAM Review, 2022
Motivated by the sparsity that appears in various relevant applications, polyhedral norms are thoroughly investigated, novel expressions of the unit balls associated with them are provided, and all the facets and vertices of these balls are determined. A similar treatment is given to the corresponding dual norms.
Gaudioso, Manlio   +1 more
openaire   +3 more sources

Editing Watertight Manifold Polyhedra using Face Shifts with Automatic Topological Updates and Edge Flips [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
In the context of urban 3D mapping, the 3D modelling step is a crucial operation, which can be very error prone, particularly when high fidelity and accuracy are required. While automatic reconstruction tools are way faster and less expensive than manual
F. Geniet, M. Brédif, B. Vallet
doaj   +1 more source

Convex polyhedral abstractions, specialisation and property-based predicate splitting in Horn clause verification [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
We present an approach to constrained Horn clause (CHC) verification combining three techniques: abstract interpretation over a domain of convex polyhedra, specialisation of the constraints in CHCs using abstract interpretation of query-answer ...
Bishoksan Kafle, John P. Gallagher
doaj   +1 more source

Motion generation of a planar 3R serial chain based on conformal geometric algebra with applications to planar linkages [PDF]

open access: yesMechanical Sciences, 2022
A planar three-revolute (3R) serial chain is an important part of many mechanisms. The classical approach in motion generation of a planar 3R serial chain is to construct closed-loop equations based on complex numbers, which yields a large-scale ...
L. Wang   +7 more
doaj   +1 more source

A Polyhedral Approach for a Constrained Matching Problem [PDF]

open access: yesDiscrete & Computational Geometry, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hefner, A., Kleinschmidt, P.
openaire   +1 more source

Ergodic Control and Polyhedral Approaches to PageRank Optimization [PDF]

open access: yesIEEE Transactions on Automatic Control, 2013
We study a general class of PageRank optimization problems which consist in finding an optimal outlink strategy for a web site subject to design constraints. We consider both a continuous problem, in which one can choose the intensity of a link, and a discrete one, in which in each page, there are obligatory links, facultative links and forbidden links.
Fercoq, Olivier   +3 more
openaire   +3 more sources

Dynamic programming for graphs on surfaces [PDF]

open access: yes, 2010
We provide a framework for the design and analysis of dynamic programming algorithms for surface-embedded graphs on n vertices and branchwidth at most k.
B. Courcelle   +15 more
core   +1 more source

Parallel tiled Nussinov RNA folding loop nest generated using both dependence graph transitive closure and loop skewing

open access: yesBMC Bioinformatics, 2017
Background RNA secondary structure prediction is a compute intensive task that lies at the core of several search algorithms in bioinformatics. Fortunately, the RNA folding approaches, such as the Nussinov base pair maximization, involve mathematical ...
Marek Palkowski, Wlodzimierz Bielecki
doaj   +1 more source

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